2006 Cadillac STS Owner's Manual
2006 Cadillac STS Manual
2006 Cadillac STS manual content summary:
- 2006 Cadillac STS | Owner's Manual - Page 1
2006 Cadillac STS/STS-V Owner Manual Seats and Restraint Systems ...1-1 Front Seats ...1-2 Rear Seats ...1-7 Safety Belts ...1-8 Child Restraints ...1-26 Airbag System ...1-48 Restraint System Check ...1-63 Features and Controls ...2-1 Keys ...2-3 Doors and Locks ...2-12 Windows ...2-17 Theft- - 2006 Cadillac STS | Owner's Manual - Page 2
was printed. We reserve the right to make changes in the product after that time without notice. For vehicles first sold in Canada, substitute the name "General Motors of Canada Limited" for Cadillac Motor Car Division whenever it appears in this manual. Keep this manual in the vehicle, so it will be - 2006 Cadillac STS | Owner's Manual - Page 3
tell about things that could hurt you if you were to ignore the warning. You will also find a circle with a slash through it in this book. This safety symbol means "Do Not," "Do Not do this" or "Do Not let this happen." {CAUTION: These mean there is something that could hurt - 2006 Cadillac STS | Owner's Manual - Page 4
be covered by your vehicle's warranty, and it could be costly. But the notice will tell what to do to help avoid the damage. When you read other manuals, Controls in Section 3 Warning Lights, Gages, and Indicators in Section 3 Audio System(s) in Section 3 Engine Compartment Overview in Section 5 - 2006 Cadillac STS | Owner's Manual - Page 5
These are some examples of symbols that may be found on the vehicle: v - 2006 Cadillac STS | Owner's Manual - Page 6
✍ NOTES vi - 2006 Cadillac STS | Owner's Manual - Page 7
? ...1-57 Passenger Sensing System ...1-58 Servicing Your Airbag-Equipped Vehicle ...1-62 Adding Equipment to Your Airbag-Equipped Vehicle ...1-62 Restraint System Check ...1-63 Checking the Restraint Systems ...1-63 Replacing Restraint System Parts After a Crash ...1-64 Front Seats ...1-2 Power - 2006 Cadillac STS | Owner's Manual - Page 8
Wheel on page 2-70. Power Lumbar Your vehicle's seats may be equipped with power lumbar. You can increase or decrease lumbar support in an area of the lower seatback with this control, located increase support, press and hold the front of the control. To decrease support, press and hold the rear of - 2006 Cadillac STS | Owner's Manual - Page 9
level of support. Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat, Mirrors and Steering Wheel seat on the climate control display is off. A light bar in the climate control display shows the setting located on the climate control panel. 1-3 - 2006 Cadillac STS | Owner's Manual - Page 10
buttons are located on the climate control panel. There are three settings for each feature. A light bar in lights turn off. The heated or ventilated seats will automatically shut off when the vehicle is turned off. z (Heated Seat and Seatback): { (Ventilated Seat): the ventilated seat. This part - 2006 Cadillac STS | Owner's Manual - Page 11
belts cannot do their job when you are reclined like this. The shoulder belt cannot do its job because it will not be against your body. Instead, it will be in front of you. In a crash, you could go into it, receiving neck or other injuries. The lap belt cannot do - 2006 Cadillac STS | Owner's Manual - Page 12
Head Restraints The front and rear head restraints lock into place when raised. To release the head restraint and lower it, press the tab located at the base of the restraint. The front head restraints also tilt forward and rearward. Adjust your head restraint so that the top of the restraint is - 2006 Cadillac STS | Owner's Manual - Page 13
door that provides access to the trunk from the rear seats. See "Rear Seat Pass-Through Door" under Trunk on page 2-14. Your vehicle may have this feature. The buttons used to control the heated rear seats are located on the back of the center console. The engine must be running for the heated - 2006 Cadillac STS | Owner's Manual - Page 14
: They Are for Everyone This part of the manual tells you how to use safety to buckle your safety belts. See Safety Belt Reminder Light on page 3-59 and Passenger Safety Belt Reminder Light on page 3-60. In most states and in all , and check that your passengers' belts are fastened properly too. 1-8 - 2006 Cadillac STS | Owner's Manual - Page 15
Work When you ride in or on anything, you go as fast as it goes. Take the simplest vehicle. Suppose it is just a seat on wheels. 1-9 - 2006 Cadillac STS | Owner's Manual - Page 16
Put someone on it. Get it up to speed. Then stop the vehicle. The rider does not stop. 1-10 - 2006 Cadillac STS | Owner's Manual - Page 17
The person keeps going until stopped by something. In a real vehicle, it could be the windshield... or the instrument panel... 1-11 - 2006 Cadillac STS | Owner's Manual - Page 18
get out, is much greater if you are belted. Q: If my vehicle has airbags, why should I have to wear safety belts? or the safety belts! With safety strongest bones take the forces. That is why safety belts make such good sense. A: Airbags are in many vehicles today and will be in most of them in - 2006 Cadillac STS | Owner's Manual - Page 19
Q: If I am a good driver, and I never drive far from home, why should I wear safety belts? How to Wear Safety Belts Properly This part is only for people of adult size. Be aware that there are special things to know about safety belts and children. And there are different - 2006 Cadillac STS | Owner's Manual - Page 20
would be able to unbuckle the safety belt quickly if you ever had to. 1-14 6. To make the lap part tight, pull up on the shoulder belt. 7. This safety belt has a feature that will reduce the tension of or lean forward and then sit back. The belt will retract and rest lightly against the occupant. - 2006 Cadillac STS | Owner's Manual - Page 21
The lap part of the belt should be worn low and snug on the hips, just touching serious or even fatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there is a sudden stop or - 2006 Cadillac STS | Owner's Manual - Page 22
if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit against your body. A: The shoulder belt is too loose. It will not give nearly as much protection this way. 1-16 - 2006 Cadillac STS | Owner's Manual - Page 23
Q: What is wrong with this? {CAUTION: You can be seriously injured if your belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not at the pelvic bones. This could cause serious internal injuries. Always buckle your belt - 2006 Cadillac STS | Owner's Manual - Page 24
Q: What is wrong with this? {CAUTION: You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the - 2006 Cadillac STS | Owner's Manual - Page 25
forces. If a belt is twisted, make it straight so it can work properly, or ask your dealer to fix it. A: The belt is twisted across the body. To unlatch the belt, just push the button on the buckle. When the seatbelt is unbuckled or when the vehicle is turned off, the tension - 2006 Cadillac STS | Owner's Manual - Page 26
Shoulder Belt Height Adjustment Before you begin to drive, move the shoulder belt height adjuster to the so that the shoulder portion of the belt is centered on your shoulder. The belt should be away up just by pushing up on the shoulder belt guide. A pregnant woman should wear a lap-shoulder belt - 2006 Cadillac STS | Owner's Manual - Page 27
as the driver's safety belt - except for one thing. If you ever pull the shoulder portion of the belt out all the way, you will engage the child restraint locking feature. If this happens, just let the belt go back all the way and start again. Lap-Shoulder Belt All rear seat - 2006 Cadillac STS | Owner's Manual - Page 28
to unbuckle the safety belt quickly if you ever had to. The lap part of the belt should be worn low and snug on the hips, just across the chest. These parts of the body are best able to take belt restraining forces. 3. To make the lap part tight, pull up on the shoulder part. 1-22 The safety belt - 2006 Cadillac STS | Owner's Manual - Page 29
outboard passenger position in the rear seat. Here is how to install a comfort guide and use the safety belt: To unlatch the belt, push the button on the buckle. 1. Pull the elastic cord out from between the edge of the seatback and the interior body to remove the guide from its storage clip. 1-23 - 2006 Cadillac STS | Owner's Manual - Page 30
and past the belt. The elastic cord must be under the belt. Then, place the guide over the belt, and insert the two edges of the belt into the slots of the guide. 3. Be sure that the belt is not twisted and it lies flat. The elastic cord must be under the - 2006 Cadillac STS | Owner's Manual - Page 31
should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. Your vehicle has safety belt pretensioners for the driver and right front passenger. Although you cannot see them, they are located on the buckle end of the safety belts. They - 2006 Cadillac STS | Owner's Manual - Page 32
. Never use it for securing child seats. To wear it, just attach it to the regular safety belt. For more information, see the instruction sheet that comes with the extender. Child Restraints Older Children Older children who have outgrown booster seats should wear the vehicle's safety belts. 1-26 - 2006 Cadillac STS | Owner's Manual - Page 33
abdomen, which could cause severe or even fatal internal injuries in a crash. Accident statistics show that children are safer if they are restrained in the rear seat. In a crash, children who are not buckled up can strike other people who are buckled up, or can be thrown out of the vehicle - 2006 Cadillac STS | Owner's Manual - Page 34
shoulder part is Rear Safety Belt Comfort Guides on page 1-23. If the child is sitting in the center rear seat passenger position, move the child toward the safety belt buckle. In either case, be sure that the shoulder belt still is on the child's shoulder, so that in a crash the child's upper body - 2006 Cadillac STS | Owner's Manual - Page 35
Everyone in a vehicle needs protection! This includes infants and all other children. Neither the distance traveled nor the age and size of the traveler changes the need, for everyone, to use safety restraints. In fact, the law in every state in the United States and in every Canadian province - 2006 Cadillac STS | Owner's Manual - Page 36
belts offer protection for adults and older children, but not for young children and infants. Neither the vehicle's safety belt system nor its airbag system is designed for them. Young children and infants need the protection that a child restraint system can provide. Q: What are the different - 2006 Cadillac STS | Owner's Manual - Page 37
including support for the head and neck. This is necessary because a newborn infant's neck is weak and its head weighs so much compared with the rest of its body. In a crash, an infant in a rear-facing seat settles into the restraint, so the crash forces can be distributed across the strongest part - 2006 Cadillac STS | Owner's Manual - Page 38
Child Restraint Systems An infant car bed (A), a special bed made for use in a motor vehicle, is an infant restraint system designed to restrain or position a child on a continuous flat surface. Make sure that the infant's head rests toward the center of the vehicle. A rear-facing infant seat (B) - 2006 Cadillac STS | Owner's Manual - Page 39
A forward-facing child seat (C-E) provides restraint for the child's body with the harness and also sometimes with surfaces such as T-shaped or shelf-like shields. A booster seat (F-G) is a child restraint designed to improve the fit of - 2006 Cadillac STS | Owner's Manual - Page 40
seat, or position children. A built-in child restraint system is a permanent part of the motor vehicle. An add-on child restraint system is a portable one or LATCH system, following the instructions that came with that restraint, and also the instructions in this manual. To help reduce the chance - 2006 Cadillac STS | Owner's Manual - Page 41
and to this manual. The child restraint instructions are important, so if they are not available, obtain a replacement copy from the shaped shield has shoulder straps that are attached to a flat pad which rests low against the child's body. A shelf- or armrest-type shield has straps that are attached - 2006 Cadillac STS | Owner's Manual - Page 42
will not deploy under some unusual circumstance, even though it is turned off. General Motors recommends that rear-facing child restraints be secured in the rear seat, even if the airbag is off. If you need to secure a forward-facing child restraint in the right front seat, always move the front - 2006 Cadillac STS | Owner's Manual - Page 43
Your vehicle has the LATCH system. The LATCH system holds a child restraint during driving or in a crash. This system is designed to make installation of a child belts to secure the restraint, following the instructions that came with that restraint, and also the instructions in this manual. 1-37 - 2006 Cadillac STS | Owner's Manual - Page 44
child restraint connects to the top tether anchor in the vehicle in order to reduce the forward movement and rotation of the child restraint during driving or in a crash. 1-38 - 2006 Cadillac STS | Owner's Manual - Page 45
restraints also have a top tether. Be sure to read and follow the instructions for your child restraint. If the child restraint does not have a top tether Anchor): Seating positions with top tether anchors. Rear Seat To assist you in locating the lower anchors, each seating position with lower - 2006 Cadillac STS | Owner's Manual - Page 46
the top tether anchors, the top tether anchor symbol is located on the trim cover. The top tether anchors are located under the trim covers on the rear seatback filler panel. Be sure to use an anchor located on the same side of the vehicle as the seating position where the child restraint will - 2006 Cadillac STS | Owner's Manual - Page 47
restraint, and also the instructions in this manual. 1. Find the lower anchors, if equipped, for the desired seating position. 2. If the desired seating position does not have lower anchors, see Securing a Child Restraint in a Rear Seat Position on page 1-43 for instructions on installing the child - 2006 Cadillac STS | Owner's Manual - Page 48
, attach and tighten the top tether to the top tether anchor. Refer to the child restraint instructions and the following steps: 5.1. Find the top tether anchor. 5.2. Open the top tether anchor trim cover to expose the anchor. 5.3. If you have an adjustable head restraint, raise the head restraint - 2006 Cadillac STS | Owner's Manual - Page 49
Securing a Child Restraint in a Rear Seat Position If your child restraint is equipped with lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 3. Buckle the belt. Make sure the release button is positioned so you - 2006 Cadillac STS | Owner's Manual - Page 50
. 6. If your child restraint manufacturer recommends using a top tether, attach and tighten the top tether to the top tether anchor. Refer to the instructions that came with the child restraint and see Lower Anchors and Tethers for Children (LATCH) on page 1-37. 7. Push and pull the child restraint - 2006 Cadillac STS | Owner's Manual - Page 51
To remove the child restraint, if the top tether is attached to the top 37. 1-45 Securing a Child Restraint in the Right Front Seat Position Your vehicle has a right front passenger airbag. A rear seat is a safer place to secure a forward-facing child restraint. See Where to Put the Restraint on - 2006 Cadillac STS | Owner's Manual - Page 52
the child restraint when and as the instructions say. 1. Your vehicle has a right front passenger's frontal airbag. See Passenger Sensing System on page 1-58. General Motors recommends that rear-facing child restraints be secured in a rear seat, even if the airbag is off. If your child restraint is - 2006 Cadillac STS | Owner's Manual - Page 53
the retractor once the lock has been set. 7. Push and pull the child restraint in different directions to be sure it is secure. 8. If the airbag is off, the off indicator in the overhead console will be lit and stay lit when the vehicle is running. 1-47 - 2006 Cadillac STS | Owner's Manual - Page 54
material such as a blanket, or aftermarket equipment such as seat covers heaters or massagers, located between the seat cushion and the the child in the child restraint in a rear seat position in the vehicle and check with your dealer. To remove the child restraint, just unbuckle the vehicle's - 2006 Cadillac STS | Owner's Manual - Page 55
are designed to work with safety belts but do not replace them. Frontal airbags for the driver and right front passenger are designed to deploy in moderate to severe frontal and near frontal crashes. They are not designed to inflate in rollover, rear crashes, or in many side crashes. And, for some - 2006 Cadillac STS | Owner's Manual - Page 56
leaning forward, it could seriously injure you. Safety belts help keep you in position for airbag inflation before and during a crash. Always wear your safety belt even with frontal airbags. The driver should sit as far back as possible while still maintaining control of the vehicle. Occupants should - 2006 Cadillac STS | Owner's Manual - Page 57
the airbag symbol. Where Are the Airbags? The system checks the airbag electrical system for malfunctions. The light tells you if there is an electrical problem. See Airbag Readiness Light on page 3-60 for more information. The driver's frontal airbag is in the middle of the steering wheel. 1-51 - 2006 Cadillac STS | Owner's Manual - Page 58
The right front passenger's frontal airbag is in the instrument panel on the passenger's side. The seat-mounted side impact airbag for the driver is in the side of the driver's seatback closest to the door. 1-52 - 2006 Cadillac STS | Owner's Manual - Page 59
The seat-mounted side impact airbag for the right front passenger is in the side of the passenger's seatback closest to the door. The roof-mounted side impact airbag for the driver and the person seated directly behind the driver is in the ceiling above the side windows. 1-53 - 2006 Cadillac STS | Owner's Manual - Page 60
anything between an occupant and an airbag, and do not attach or put anything on the steering wheel hub or on or near any other airbag covering. Never secure anything to the roof of your vehicle by routing the rope or tie-down through any door or window opening. If you do, the path of - 2006 Cadillac STS | Owner's Manual - Page 61
. Your vehicle is equipped with an electronic frontal sensor, which helps the sensing system distinguish between a moderate frontal impact and a more severe frontal impact. For moderate frontal impacts, these airbags inflate at a level less than full deployment. For more severe frontal impacts - 2006 Cadillac STS | Owner's Manual - Page 62
airbag will inflate if the crash severity is above the system's designed "threshold level." The threshold level can vary with specific vehicle design. Side impact airbags ates the airbag. The inflator, airbag and related hardware are all part of the airbag modules inside the steering wheel, instrument - 2006 Cadillac STS | Owner's Manual - Page 63
a history of asthma or other breathing trouble. To avoid this, everyone in the vehicle should get out as soon as it is safe to do so. If you have breathing problems but cannot get out of the vehicle after an airbag inflates, then get fresh air by opening a window or a door. If you experience - 2006 Cadillac STS | Owner's Manual - Page 64
for on and off, will be visible in the overhead console during the system check. When the system check is complete, either the word ON or the word system will include airbag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. • Your vehicle - 2006 Cadillac STS | Owner's Manual - Page 65
part of the right front passenger's seat. The sensors are designed to detect the presence of a properly-seated occupant and determine if the passenger's frontal airbag should be enabled (may inflate) or not. Accident statistics show that children are safer if they are restrained in the rear rather - 2006 Cadillac STS | Owner's Manual - Page 66
is still lit, secure the child in the child restraint in a rear seat position in the vehicle and check with your dealer. The passenger sensing system is designed to enable (may inflate) the right front passenger's frontal airbag anytime the system senses that a person of adult size is sitting - 2006 Cadillac STS | Owner's Manual - Page 67
Airbag Readiness Light on page 3-60 for more on this, including important safety information. A thick layer of additional material such as a blanket, or aftermarket equipment such as seat covers, seat heaters and seat massagers can affect how well the passenger sensing system operates. Remove any - 2006 Cadillac STS | Owner's Manual - Page 68
how your vehicle should be serviced. There are parts of the airbag system in several places around your vehicle. Your dealer and the service manual have information about servicing your vehicle and the airbag system. To purchase a service manual, see Service Publications Ordering Information on page - 2006 Cadillac STS | Owner's Manual - Page 69
roof-mounted side impact airbag. Do not open or break the airbag coverings. A: Changing or moving any parts of the front seats, safety belts, the airbag sensing and diagnostic module (located under the center console), or the overhead console can affect the operation of the airbag system. If you - 2006 Cadillac STS | Owner's Manual - Page 70
. The driver and front passenger's safety belt buckle assemblies contain the safety belt pretensioners. Have your safety belt pretensioners checked if your vehicle has been in a collision, or if your airbag readiness light stays on after you start your vehicle or while you are driving. See Airbag - 2006 Cadillac STS | Owner's Manual - Page 71
2 Features and Controls Engine Coolant Heater ...2-27 Automatic Transmission Operation (STS) ...2-28 Automatic Transmission Operation (STS-V) ...2-32 Parking Brake ...2-35 Shifting Into Park (P) ...2-36 Shifting Out of Park (P) ...2-38 Parking Over Things That Burn ...2-38 Engine Exhaust ...2-39 - 2006 Cadillac STS | Owner's Manual - Page 72
Section 2 Features and Controls Center Console Storage Area ...2-51 Convenience Net ...2-51 Sunroof ...2-52 Vehicle Personalization ...2-53 Memory Seat, Mirrors and Steering Wheel ...2-70 OnStar® System ...2-45 Universal Home Remote System ...2-47 Universal Home Remote System Operation ...2-48 - 2006 Cadillac STS | Owner's Manual - Page 73
Keys {CAUTION: Leaving children unattended in a vehicle is dangerous, but it is even more dangerous if the keyless access transmitter is also left in the vehicle. A child or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle - 2006 Cadillac STS | Owner's Manual - Page 74
driver's door, glove box and rear seat pass-through door. See "Rear Seat Pass-Through Door" under Trunk and/or key. In an emergency, contact Cadillac Roadside Assistance. See Roadside Service on page 7-5. If your vehicle is Changes or modifications to this system by other than an authorized service - 2006 Cadillac STS | Owner's Manual - Page 75
following: Keyless Access System Operation Your vehicle has a Keyless Access System that lets you lock and unlock your vehicle's doors, open the trunk lid, remotely start the engine, and locate your vehicle, or sound your vehicle's alarm from a distance as much as much as 30 feet (10 m) away. The - 2006 Cadillac STS | Owner's Manual - Page 76
of this section for more detailed information. G (Trunk): Press this button to open the trunk while the engine is turned off or the shift lever is in PARK (P). / (Remote Start): L (Vehicle Locator/Panic Alarm): Press and release this button to locate your vehicle. The horn will chirp three times - 2006 Cadillac STS | Owner's Manual - Page 77
is lost or stolen, a replacement can be purchased and programmed center console storage area located between the driver and front passenger seats. 7. Once the transmitter is programmed, a beep will sound. The DIC will display READY FOR #X, where X can be 3 or 4, or MAX # FOBS LEARNED. 8. Remove - 2006 Cadillac STS | Owner's Manual - Page 78
. The transmitter pocket is inside the center console storage area located between the driver and front passenger seats. 2-8 15. Once the transmitter is recognized and programmed, a beep will sound and the DIC will display READY FOR FOB #2. 16. Remove the keyless access transmitter and press the - 2006 Cadillac STS | Owner's Manual - Page 79
works, it is probably time to change the battery. The DIC may display KEY FOB BATTERY LOW. A weak battery may also cause the DIC to display NO FOBS DETECTED when you try to start the vehicle. If this happens, place the transmitter in the center console storage area transmitter pocket with the - 2006 Cadillac STS | Owner's Manual - Page 80
engine running. If the vehicle is left running it will automatically shut off after 10 minutes unless a time extension has been done. To manually vehicle during a remote start, press the brake pedal and press the start button on the temperature and turns on the rear window defogger, front window - 2006 Cadillac STS | Owner's Manual - Page 81
engine light is displayed. See "Check Engine Light" under Malfunction Indicator Lamp on page 3-67. The valet lockout switch is on. The keyless access transmitter is in the vehicle. The vehicle's hood is open. The vehicle personalization feature is not enabled. An unauthorized vehicle entry - 2006 Cadillac STS | Owner's Manual - Page 82
information. The rear passenger doors have manual door lock knobs located at the top of the door panel near the window. Push down the knob to lock the door. Pull up the knob to unlock the door. {CAUTION: Unlocked doors can be dangerous. • Passengers - especially children - can easily open the doors - 2006 Cadillac STS | Owner's Manual - Page 83
Door Security Locks Your vehicle is equipped with rear door security locks that prevent passengers from opening the rear doors on your vehicle from the inside. The rear door security locks are located on the inside edge of each rear door. You must open the rear doors to access them. To use these - 2006 Cadillac STS | Owner's Manual - Page 84
lock label and turn it to disengage the lock. 3. Repeat the steps for the other lock. The rear door locks will now work normally. Trunk {CAUTION: It can be dangerous to drive with the trunk lid open because carbon monoxide (CO) gas can come into your vehicle. You cannot see or smell CO. It - 2006 Cadillac STS | Owner's Manual - Page 85
trunk lid. • V (Trunk Lid Release): Press this button located on the driver's door. The vehicle must be in PARK (P) or NEUTRAL (N) and the valet mode turned off. To disable valet mode, see Valet Lockout Switch on page 2-23. • Press the trunk trunk release button located on the rear of the trunk - 2006 Cadillac STS | Owner's Manual - Page 86
trapped in a latched trunk, enabling them to open the trunk from the inside. There is a glow-in-the-dark trunk release handle located inside the trunk near the back of the rear seats. This handle will glow following exposure to light. Pull down the release handle to open the trunk from the inside of - 2006 Cadillac STS | Owner's Manual - Page 87
Windows {CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with - 2006 Cadillac STS | Owner's Manual - Page 88
the switch to the first position to open the window to the desired level. Lift up the front of the switch to the first position to close the window. Your vehicle has Retained Accessory Power (RAP) that allows you to use the power windows once the engine has been turned off. For more information - 2006 Cadillac STS | Owner's Manual - Page 89
Programming the Power Windows If the battery on your vehicle has been close all doors. 2. Press and hold the power window switch until the window has fully opened. 3. Continue holding the switch for approximately two seconds. 4. Pull up the power window switch or condition is removed. 2-19 - 2006 Cadillac STS | Owner's Manual - Page 90
lockout button is located on the driver's door armrest near the window switches. Press this button to disable the rear window controls. The light on the button will illuminate, indicating that the feature is in use. The rear windows can be raised or lowered using the driver's window switches when - 2006 Cadillac STS | Owner's Manual - Page 91
vehicle has a theft-deterrent alarm system. The security light is located on the instrument panel cluster. If the vehicle is locked using the keyless access transmitter and the trunk lid, hood or a door is open or not closed completely, the security light will flash for 60 seconds and then turn off - 2006 Cadillac STS | Owner's Manual - Page 92
unlock the driver's door disarms the driver's door. • The driver's door is locked using the power door lock switch after the doors are closed. If the vehicle is locked using the keyless access transmitter and the trunk lid, hood or a door is open or not closed completely, the security light - 2006 Cadillac STS | Owner's Manual - Page 93
valet lockout switch to turn the lockout feature off. When the lockout feature is off, you can open the trunk using either the keyless access transmitter or the trunk release button located on the driver's door. R (On): Press the right side of the valet lockout switch to turn the lockout feature on - 2006 Cadillac STS | Owner's Manual - Page 94
Do not drive at replacement. Follow this breaking-in guideline every time you get new brake linings. • Do not tow a trailer during break-in. See Towing a Trailer (STS engine speed and load can be gradually increased. / (START): Press this button while your foot is on the brake to start the engine - 2006 Cadillac STS | Owner's Manual - Page 95
on the Driver Information Center (DIC). This mode allows you to use things like the radio and the windshield wipers while the engine is off. Use accessory mode if you must have your vehicle in motion while the engine is off, for example, if your vehicle is being towed. If the door is open while in - 2006 Cadillac STS | Owner's Manual - Page 96
foot on the brake pedal, press the START button located on the instrument parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer. If you do not, your engine might not perform properly. Any resulting damage would not be covered - 2006 Cadillac STS | Owner's Manual - Page 97
V8 engine, the cord is located in the engine compartment on the driver's side of the vehicle near the inner fender and above the strut. For the 4.4L V8 engine, the cord is located in the front of the engine compartment, on the passenger's side of the vehicle. The plug will be inside the upper grille - 2006 Cadillac STS | Owner's Manual - Page 98
the center console between the front seats. There are several different positions for the shift lever. {CAUTION: It is dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. Do not leave your vehicle when the engine - 2006 Cadillac STS | Owner's Manual - Page 99
would not be covered by your wheels. To restart when you are already moving, use NEUTRAL (N) only. You can also use NEUTRAL (N) when your vehicle is being towed. {CAUTION: Shifting into a drive gear while your engine is running at high speed is dangerous. Unless your foot is firmly on the brake - 2006 Cadillac STS | Owner's Manual - Page 100
(DSC) feature that allows you to change gears similar to a manual transmission. To use the DSC feature: 1. Slide the shift lever over from AUTOMATIC OVERDRIVE (D) to the right into the DSC area. When the transmission is in DSC mode the sport symbol in the Driver Information Center (DIC) will come on - 2006 Cadillac STS | Owner's Manual - Page 101
it would in normal driving mode based on braking, throttle input and vehicle lateral acceleration. 2. Press the shift lever forward to upshift or rearward to downshift. The DIC will show the requested gear range when moving the shift lever forward or rearward. See Driver Information Center (DIC) on - 2006 Cadillac STS | Owner's Manual - Page 102
the center console between the front seats. There are several different positions for the shift lever. {CAUTION: It is dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. Do not leave your vehicle when the engine - 2006 Cadillac STS | Owner's Manual - Page 103
would not be covered by your wheels. To restart when you are already moving, use NEUTRAL (N) only. You can also use NEUTRAL (N) when your vehicle is being towed. {CAUTION: Shifting into a drive gear while your engine is running at high speed is dangerous. Unless your foot is firmly on the brake - 2006 Cadillac STS | Owner's Manual - Page 104
it would in normal driving mode based on braking, throttle input, and vehicle lateral acceleration. 2. Press the shift lever forward to upshift or rearward to downshift. The DIC will show the requested gear range when moving the shift lever forward or rearward. See Driver Information Center (DIC) on - 2006 Cadillac STS | Owner's Manual - Page 105
the vehicle will have firmer shifting and increased performance. You can use this for sport driving or when climbing/descending hills to stay in gear longer or to down shift for more power or engine braking. The transmission will only allow you to shift into gears appropriate for the vehicle speed - 2006 Cadillac STS | Owner's Manual - Page 106
follow it to the released position. Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Verify that the parking brake is fully released and the brake warning light is off before driving. A warning chime will sound if the - 2006 Cadillac STS | Owner's Manual - Page 107
lock." To prevent torque lock, set the parking brake and then shift into PARK (P) properly before you leave the driver's seat. To find out how, see "Shifting the engine running. If you have to leave your vehicle with the engine running, be sure your vehicle is in PARK (P) and your parking brake is - 2006 Cadillac STS | Owner's Manual - Page 108
of PARK (P), try this: 1. Press the ACC button twice to place the ignition in accessory mode. 2. Apply and hold the brake until the end of Step 4. 3. Shift to NEUTRAL (N). 4. Start the engine and then shift to the drive gear you want. 5. Have your vehicle inspected by your dealer as soon as possible - 2006 Cadillac STS | Owner's Manual - Page 109
CAUTION: (Continued) {CAUTION: Engine exhaust can kill. It contains the gas carbon monoxide (CO), . • Your vehicle was damaged in a collision. CAUTION: (Continued) • Your vehicle was damaged when driving • • over high points on the road or over road debris. Repairs were not done correctly. Your - 2006 Cadillac STS | Owner's Manual - Page 110
engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move, even when you are on fairly level ground, always set your parking brake with the engine running. Another closed-in place can be a blizzard. See Winter Driving on page 4-27. 2-40 - 2006 Cadillac STS | Owner's Manual - Page 111
press and release the Intellibeam™ button on the inside rear view mirror. If the vehicle has the IntelliBeam™ dimming feature on or off. The indicator light will illuminate when this feature is active. The O(On/Off): Press and hold the button, located on the lower left side of the mirror face - 2006 Cadillac STS | Owner's Manual - Page 112
the compass. Such interference may be caused by a magnetic antenna mount, magnetic note pad holder or a similar magnetic item. If the letter C by driving the vehicle in circles at 5 mph (8 km/h) or less until the display reads a direction. The compass can be placed in calibration mode manually - 2006 Cadillac STS | Owner's Manual - Page 113
compass may need calibration. See Compass Calibration listed previously. Move the selector switch left or right to choose the driver's side or passenger's side mirror. Use the arrows located on the control pad to adjust the position of each mirror. Adjust each mirror so you can see the side of your - 2006 Cadillac STS | Owner's Manual - Page 114
center position when finished adjusting. This will prevent unwanted mirror movement in case the control pad is accidentally bumped while driving. The preferred mirror positions can be stored with the memory option. See Memory Seat, Mirrors and Steering Wheel on page 2-70. The mirrors can be manually - 2006 Cadillac STS | Owner's Manual - Page 115
OnStar® Emergency where we can request emergency services be sent to your location. If you lock your keys in the car, call OnStar® at 1-888-4-ONSTAR and wide range of safety, security, information, and convenience services. If your airbags The Directions and Connections® Plan is included on new - 2006 Cadillac STS | Owner's Manual - Page 116
Airbag Deployment • Emergency Services • Roadside Assistance • Stolen Vehicle Tracking • AccidentAssist • Remote Door Unlock/Vehicle Alert • Remote Diagnostics • Online Concierge • Driving See the OnStar® user's guide for more information. OnStar® Steering Wheel Controls Your vehicle may be - 2006 Cadillac STS | Owner's Manual - Page 117
with the Universal Home Remote Transmitter, it complies with Part 15 of the FCC Rules. Operation is subject to Changes and modifications to this system by other than an authorized service replace up to three hand-held transmitters used to activate devices such as gate operators, garage door openers - 2006 Cadillac STS | Owner's Manual - Page 118
opener with rolling codes, please be sure to follow Steps 6 through 8 to complete the programming of your Universal Home Remote Transmitter. Read the instructions is recommended that a new battery be installed in your when the Universal Home Remote indicator light begins to flash, after 20 seconds - 2006 Cadillac STS | Owner's Manual - Page 119
Home Remote button and observe the indicator light. If the indicator light stays on constantly, programming is complete and opener. 6. Locate in the garage, the garage door opener receiver (motor-head unit). Locate the "Learn" or "Smart" button. This can usually be found where the hanging antenna - 2006 Cadillac STS | Owner's Manual - Page 120
operator or garage door opener by using the "Programming Universal Home Remote" procedures, regardless of where you live, replace Step 3 under "Programming following: 1. Press and hold down the two outside buttons until the indicator light begins to flash, after 20 seconds. Do not hold the two outside - 2006 Cadillac STS | Owner's Manual - Page 121
light center console area. Center Console Storage Area Your vehicle has a center console storage area located between the front seats. It includes storage areas, and accessory power outlet(s) on the rear of the console rear of the vehicle as far forward as you can. Storage Areas Glove Box To open - 2006 Cadillac STS | Owner's Manual - Page 122
press and hold the driver's side sunroof switch forward. The sunshade must be closed manually. To open or close the sunroof, the ignition must be ON or Retained Accessory Power (RAP) must be active. See Retained Accessory Power (RAP) on page 2-25. Express Open: The express open feature will operate - 2006 Cadillac STS | Owner's Manual - Page 123
XM™ preset settings, exterior lighting at unlock and remote lock your vehicle has the base audio system, the opening the driver's door, the driver preferences for the lowest driver number will be recalled. Certain features can be programmed not to recall until the ignition is turned off. To change - 2006 Cadillac STS | Owner's Manual - Page 124
/select knob located on the check mark appears. If it is selected, the entire list of features will be available to program. DRIVER driver greeting feature on and to program a customized name or greeting, use the following procedure: 1. Enter the PERSONAL SETTINGS MENU by following the instructions - 2006 Cadillac STS | Owner's Manual - Page 125
programming mode by following the instructions later in this section or program the next feature available on your vehicle by pressing the F6 (BACK) button, located on the radio, to return to the PERSONAL SETTINGS MENU. You will now see a check mark next to the driver greeting menu item, which means - 2006 Cadillac STS | Owner's Manual - Page 126
driver's the vehicle was programmed may have been changed since it left the factory. To check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions climate control system, the rear defogger, and the seat - 2006 Cadillac STS | Owner's Manual - Page 127
last used by the driver using that keyless entry transmitter. REAR WINDOW DEFOG: If this feature is active, the rear defogger will engage when following the instructions later in this section or program the next feature available on your vehicle by pressing the F6 (BACK) button, located on the - 2006 Cadillac STS | Owner's Manual - Page 128
by following the instructions later in this is turned on, a check mark will appear next driver's door is opened. Programmable Modes Mode 1: ON Mode 2: OFF Before your vehicle was shipped from the factory, it was programmed to Mode 2. The mode to which the vehicle was programmed may have been changed - 2006 Cadillac STS | Owner's Manual - Page 129
either exit the programming mode by following the instructions later in this section or program the next which the vehicle was programmed may have been changed since it left the factory. To program . When the mode is turned on, a check mark will appear in the box next to driver's door is opened. 2-59 - 2006 Cadillac STS | Owner's Manual - Page 130
was programmed may have been changed since it left the factory check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle. LIGHTS - 2006 Cadillac STS | Owner's Manual - Page 131
may have been changed since it left check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle. EXT. (Exterior) LIGHTS - 2006 Cadillac STS | Owner's Manual - Page 132
Mode 2. The mode to which the vehicle was programmed may have been changed since it left the factory. To program the vehicle to a different mode check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions - 2006 Cadillac STS | Owner's Manual - Page 133
was programmed may have been changed since it left the instructions listed previously under "Entering the Personal Settings Menu." 2. Turn the tune/select knob until DRIVER UNLOCK AT OFF is highlighted. 3. Press the tune/select knob to switch between on and off. When the mode is turned on, a check - 2006 Cadillac STS | Owner's Manual - Page 134
was programmed may have been changed since it left the check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle. 2-64 DRIVER - 2006 Cadillac STS | Owner's Manual - Page 135
Mode 1. The mode to which the vehicle was programmed may have been changed since it left the factory. To program the vehicle to a different mode check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions - 2006 Cadillac STS | Owner's Manual - Page 136
Mode 1. The mode to which the vehicle was programmed may have been changed since it left the factory. To program the vehicle to a different mode check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions - 2006 Cadillac STS | Owner's Manual - Page 137
check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions may have been changed since it left as part of the located on the door will deactivate only the rear windows. See Power Windows on page - 2006 Cadillac STS | Owner's Manual - Page 138
and forth between on and off. When the mode is turned on, a check mark will appear next to the feature name. The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle - 2006 Cadillac STS | Owner's Manual - Page 139
have been changed since it instructions later in this section or program the next feature available on your vehicle by pressing the F6 (BACK) button, located base audio system, you will automatically return to the main audio screen after 15 seconds. You can also press the F6 (BACK) button, located - 2006 Cadillac STS | Owner's Manual - Page 140
base audio system, memory features are programmed and recalled through the radio from the DRIVER SELECTION and the DRIVER EXIT SETTINGS submenus. See "Entering the Driver Selection Submenu" and "Entering the Driver in the Index of the Navigation System manual for more information. • The language, - 2006 Cadillac STS | Owner's Manual - Page 141
programming mode for your driver settings by following the instructions listed previously under "Entering the Driver Selection Submenu." 2. From the DRIVER SELECTION submenu, turn the tune/select knob to highlight the driver number that you want, either DRIVER 1 or DRIVER 2. 3. Set your choice by - 2006 Cadillac STS | Owner's Manual - Page 142
rearview mirrors, and the steering column to a comfortable driving position. 2. Enter the memory programming mode for your driver settings by following the instructions listed previously under "Entering the Driver Selection Submenu." 3. From the DRIVER SELECTION submenu, turn the tune/select knob to - 2006 Cadillac STS | Owner's Manual - Page 143
settings by following the instructions listed previously under "Entering the Driver Exit Settings Submenu." 2. From the DRIVER EXIT SETTINGS submenu, when your vehicle is in PARK (P), the vehicle is off, and the driver's door is opened, see "AUTO EXIT SEAT" and "AUTO EXIT COLUMN" under Vehicle - 2006 Cadillac STS | Owner's Manual - Page 144
a comfortable exit position. 2. Enter the memory programming mode for your exit settings by following the instructions listed previously under "Entering the Driver Exit Settings Submenu." 3. From the DRIVER EXIT SETTINGS submenu, turn the tune/select knob to scroll to STORE EXIT SETTINGS and press - 2006 Cadillac STS | Owner's Manual - Page 145
Assist (URPA) ...3-44 Accessory Power Outlet(s) ...3-46 Ashtray(s) and Cigarette Lighter ...3-47 Climate Controls ...3-48 Dual Climate Control System ...3-48 Outlet Adjustment ...3-54 Rear Climate Control System ...3-54 Passenger Compartment Air Filter ...3-55 Warning Lights, Gages, and Indicators - 2006 Cadillac STS | Owner's Manual - Page 146
Airbag Status Indicator ...3-61 Charging System Light ...3-63 Brake System Warning Light ...3-64 Anti-Lock Brake System Warning Light ...3-65 Low Tire Pressure Warning Light ...3-65 Traction Control System (TCS) Warning Light ...3-66 Engine Coolant Temperature Warning Light ...3-66 Engine Coolant - 2006 Cadillac STS | Owner's Manual - Page 147
✍ NOTES 3-3 - 2006 Cadillac STS | Owner's Manual - Page 148
Instrument Panel Overview 3-4 - 2006 Cadillac STS | Owner's Manual - Page 149
Panel Brightness on page 3-39. Driver Information Center (DIC) Buttons. See DIC Controls F. Audio Steering Wheel Controls (If Equipped). See Audio Steering Wheel Controls on page 3- See Automatic Transmission Operation (STS) on page 2-28 or Automatic Transmission Operation (STS-V) on page 2-32 - 2006 Cadillac STS | Owner's Manual - Page 150
Your hazard warning flashers let you warn others. They also let police know you have a problem. Your front and rear turn signal lamps will flash on and off. The hazard warning flasher button is located on the console, near the shift lever. See Instrument Panel Overview on page 3-4. Horn Press near or - 2006 Cadillac STS | Owner's Manual - Page 151
wheel. The button for this feature is located on the steering wheel. The lever on the left side of the steering column includes the following: • G Turn and Lane-Change Signals. See Turn and Lane-Change wheel on or off. A light on the button will display while the feature is on. The steering wheel - 2006 Cadillac STS | Owner's Manual - Page 152
. Arrows that flash rapidly when signaling for a turn or lane change may be caused by a burned-out signal bulb. Other driver's won't see the signal. Replace burned-out bulbs to help avoid possible accidents. Check the fuse and for burned-out bulbs if the arrow fails to work when signaling a turn. See - 2006 Cadillac STS | Owner's Manual - Page 153
complies with Part 15 of the Changes or modifications to this system by other than an authorized service warning system and does not apply the brakes. When you are approaching a vehicle driver of pedestrians or animals. Your complete attention is always required while driving and you should be - 2006 Cadillac STS | Owner's Manual - Page 154
The Forward Collision Alert (FCA) controls are located on the end of the multifunction lever. {CAUTION: • On winding roads, FCA may not detect a vehicle ahead. You could crash into a vehicle ahead of you. - 2006 Cadillac STS | Owner's Manual - Page 155
the System" under Adaptive Cruise Control on page 3-19. The driver warning is active when: • You are approaching a vehicle too quickly. • You are following a vehicle ahead much too closely. See Defensive Driving on page 4-2 for more information. {CAUTION: FCA may not detect - 2006 Cadillac STS | Owner's Manual - Page 156
three messages that may appear on the Driver Information Center (DIC). They are CLEAN RADAR, RADAR CRUISE NOT READY and SERVICE RADAR CRUISE. See DIC Warnings and , ice, or dirt. If so, you may need to turn off the engine and clean the lens. See "Cleaning the System" under Adaptive Cruise Control on - 2006 Cadillac STS | Owner's Manual - Page 157
information, see Windshield Wiper Blade Replacement on page 5-56. Heavy snow STS-V only) is equipped with a feature that disables the wiper system when the hood is open and your vehicle is stopped. Opening opened when you require the vehicle's wipers out of the park position, such as when changing - 2006 Cadillac STS | Owner's Manual - Page 158
as needed to clear the windshield depending on driving conditions and the sensitivity setting. In light rain or snow, fewer wipes will occur. stalk to a higher sensitivity level to indicate that the sensitivity level has been increased. Notice: Going through an automatic car wash with the wipers on - 2006 Cadillac STS | Owner's Manual - Page 159
is low, the message CHECK WASHER FLUID will appear on the Driver Information Center (DIC) display. It will Fluid on page 5-41 and Recommended Fluids and Lubricants on page 6-12. The headlamp washers are located to the inside of the headlamps. To wash the headlamps, press the washer button located - 2006 Cadillac STS | Owner's Manual - Page 160
brakes, the cruise control will shut off. Cruise Control These controls are located on the end of the multifunction lever. {CAUTION: Cruise control can be dangerous where you cannot drive when the traction control system begins to limit wheel spin, the cruise control will automatically disengage. - 2006 Cadillac STS | Owner's Manual - Page 161
resume/accelerate the vehicle will keep going faster until you release the switch or apply the brake. So unless you want to go faster, don't hold the switch at resume/accelerate. foot off the accelerator pedal. This light on the instrument panel cluster will come on while cruise control is on. 3-17 - 2006 Cadillac STS | Owner's Manual - Page 162
on the accelerator pedal to maintain your speed. When going downhill, you may have to brake to keep your speed down. Applying the brake will take you out of cruise control. If you need to apply the brake due to the grade of the downhill slope, you may not want to attempt to - 2006 Cadillac STS | Owner's Manual - Page 163
lightly on the brake pedal. Stepping on the brake Changes or modifications to this system by other than an authorized service it is engaged by the driver, the system can apply limited braking or acceleration of the vehicle, Industry Canada. This device complies with Part 15 of the FCC Rules. Operation - 2006 Cadillac STS | Owner's Manual - Page 164
beep and alert symbol may indicate that you are driving in conditions where Adaptive Cruise Control should not be used. See "Alerting the Driver" in this section. CAUTION: (Continued) {CAUTION: Adaptive Cruise Control will not apply hard braking or bring the vehicle to a complete stop. It will - 2006 Cadillac STS | Owner's Manual - Page 165
Continued) • On slippery roads, fast changes in tire traction can cause needless wheel spinning, and you could lose control distance to adapt to the changing traffic conditions. Do not use cruise control when visibility is low. The Adaptive Cruise controls are located on the end of the - 2006 Cadillac STS | Owner's Manual - Page 166
With the Set Button The set speed is selected by the driver. This is the speed you will travel if there is off the accelerator pedal. Once Adaptive Cruise Control is set, it may immediately apply the brakes if it detects a vehicle ahead is too close or moving slower than your vehicle. {CAUTION - 2006 Cadillac STS | Owner's Manual - Page 167
conditions when adjusting your set speed. If your vehicle is in Adaptive Cruise Control when the traction control system begins to limit wheel spin, the Adaptive Cruise Control will automatically disengage. See Traction Control System (TCS) on page 4-9 and StabiliTrak® System on page 4-11. When - 2006 Cadillac STS | Owner's Manual - Page 168
and then you apply the brake. This will disengage the Adaptive a selected follow distance will vary based on vehicle speed. The faster drivers and driving conditions. If you prefer to travel at a follow distance farther than Adaptive Cruise Control allows, disengage the system and drive manually - 2006 Cadillac STS | Owner's Manual - Page 169
on page 3-79 for more information. See Defensive Driving on page 4-2. Alerting the Driver The alert symbol will flash on the HUD and a warning beep will sound when driver action is required. {CAUTION: Adaptive Cruise Control has only limited braking ability to slow your vehicle. In some cases - 2006 Cadillac STS | Owner's Manual - Page 170
in front of you but will not exceed the set speed. It may apply limited braking, if necessary. When braking is active, your brake lights will come on. It may feel or sound different than if you were applying the brakes yourself. This is normal. If this symbol does not appear, or disappears brie - 2006 Cadillac STS | Owner's Manual - Page 171
as a stopped vehicle that suddenly appears after the lead vehicle changes lanes. Your complete attention is always required while driving and you should be ready to take action and apply the brakes. READY will appear on the Driver Information Center (DIC). See DIC Warnings and Messages on page 3-79 - 2006 Cadillac STS | Owner's Manual - Page 172
a vehicle ahead of you, or lose control of your vehicle. Give extra attention in curves and be ready to use the brakes if necessary. Select an appropriate speed while driving in curves. Adaptive Cruise Control may operate differently in a sharp curve. It may reduce your speed if the curve is too - 2006 Cadillac STS | Owner's Manual - Page 173
may, occasionally, provide a driver alert and/or braking that you consider unnecessary. It could respond to signs, guardrails and other stationary objects when entering or exiting a curve. This is normal operation. Your vehicle does not need service. Other Vehicle Lane Changes If another vehicle - 2006 Cadillac STS | Owner's Manual - Page 174
in your lane while driving on hills. When going brake to keep your speed down. Applying the brake engine and clean the lens. Remember, do not use Adaptive Cruise Control in icy conditions, or when visibility is low, such as in fog, rain or snow. The emblem/lens is located in the center of the grille - 2006 Cadillac STS | Owner's Manual - Page 175
the headlamp control from AUTO to the headlamp position. Disabling automatic lighting will disable the automatic headlamp operation, DRL, and Intellibeam™ High-Beams (if equipped). The exterior lamp control is located in the middle of the turn signal/multifunction lever. O(Exterior Lamp Control - 2006 Cadillac STS | Owner's Manual - Page 176
Panel Lights Turning On and Enabling Intellibeam™ AUTO 3 (Intellibeam™ On/Off): Press and release the Intellibeam™ button on the inside rear view ™ is an enhancement to your vehicle's headlamp system. Using a digital light sensor on your rearview mirror, this system will turn the vehicle's high-beam - 2006 Cadillac STS | Owner's Manual - Page 177
your high-beams when driving over 20 mph ( of any of the following: • The high-beam headlamps are manually turned on or you use the flash-to-pass feature. view or otherwise undetected. • The other vehicle's lamp(s) are covered with dirt, snow and/or road spray. • The other vehicle light sensor. 3-33 - 2006 Cadillac STS | Owner's Manual - Page 178
resetting the system. • You are driving on winding or hilly roads. You may need to manually disable or cancel the high-beam headlamps by turning the low-beam headlamps on, if any of the above conditions exist. Cleaning the Intellibeam™ Light Sensor The light sensor is located on the inside of the - 2006 Cadillac STS | Owner's Manual - Page 179
vehicle during the day. DRL can be helpful in many different driving conditions, but they can be especially helpful in the short periods either the headlamp or parking lamp position and the driver's door is opened with the ignition off. See Lights On Reminder on page 3-71 for additional information - 2006 Cadillac STS | Owner's Manual - Page 180
about one minute for the automatic headlamp system to change to DRL if it is light outside. During that delay, your instrument panel cluster control to the headlamp position. The light sensor for the DRL is located on top of the instrument panel. If you cover the sensor, it will read dark, and the - 2006 Cadillac STS | Owner's Manual - Page 181
for better vision in foggy or misty conditions. The fog lamp controls are located on the turn signal/multifunction lever. Twilight Sentinel® Twilight Sentinel® can turn your be on along with the fog lamps. A light sensor on top of the instrument panel makes the Twilight Sentinel® work, so be sure it is - 2006 Cadillac STS | Owner's Manual - Page 182
the automatic headlamp system to change to DRL if it is light outside. During that delay, your . First set the parking brake while the ignition is in OFF/ACC. Then start regular headlamp system when you need it. Exterior Lighting Battery Saver If the parking lamps or headlamps have been - 2006 Cadillac STS | Owner's Manual - Page 183
lighting system uses the light sensor; it must be dark outside in order for the lamps to turn on. The lamps turn off about 25 seconds after the last door is closed. They will dim to off if the ignition is on, or immediately deactivate if the power locks are activated. Parade Dimming Base Level - 2006 Cadillac STS | Owner's Manual - Page 184
after 10 minutes (three minutes if a new car has 15 miles (24 km) or less). Power will be restored for an additional 10 minutes if any door is opened, the trunk is opened or the courtesy lamp switch is turned on. Battery Load Management The battery load management feature is designed to monitor the - 2006 Cadillac STS | Owner's Manual - Page 185
driving environment just as you would in a vehicle without HUD. If you never look at your instrument panel cluster, you may not see something important, such as a warning light. Under important warning conditions, the CHECK GAGES message will display in the HUD. View your Driver Information Center - 2006 Cadillac STS | Owner's Manual - Page 186
controls are located to the left of the steering wheel on the DIC control panel. To adjust the HUD so you can see it properly, do the following: 1. Adjust the seat to a comfortable driving position. If you change your seat position later, you may have to re-adjust your HUD. 2. Start your engine and - 2006 Cadillac STS | Owner's Manual - Page 187
angle to the sun changes. Clean the inside of the windshield as needed to remove any dirt or light in the direction your vehicle is facing is low. • A fuse is blown. See Fuses and Circuit Breakers on page 5-105. Keep in mind that your windshield is part of the HUD system. See Windshield Replacement - 2006 Cadillac STS | Owner's Manual - Page 188
are from your rear bumper. CAUTION: (Continued) So, unless you check carefully behind you Even with the Ultrasonic Rear Park Assist system, the driver must check carefully before backing up display is located inside the vehicle, above the rear window. It has three color-coded lights that can - 2006 Cadillac STS | Owner's Manual - Page 189
conditions that may affect system performance include things like the vibrations from a jackhammer or the compression of air brakes on a very large truck. If after cleaning the rear bumper and then driving forward at least 15 mph (25 km/h), the display continues to flash red, see your dealer. If - 2006 Cadillac STS | Owner's Manual - Page 190
the rear of the center console. Your vehicle may have a small cap that must be removed to access the accessory power outlet. If it does, when not using the outlet be sure to cover it with the protective cap. Notice: Leaving electrical equipment on for extended periods will drain the battery. Always - 2006 Cadillac STS | Owner's Manual - Page 191
pop back out by itself. Ashtray The ashtray is located under the climate control panel on the center console. Press on the door to release the ashtray. The ashtray will automatically slide open for use. To empty the ashtray with the ashtray in full open position, locate the release button to the - 2006 Cadillac STS | Owner's Manual - Page 192
, and recirculation indicator if your vehicle is equipped with the optional air quality sensor. 1. Press the AUTO button. 2. Adjust the temperature to a blowing cold air into your vehicle until warmer air is available. The system will start out blowing air at the floor but may change modes, - 2006 Cadillac STS | Owner's Manual - Page 193
to metric units through the Driver Information Center (DIC). See DIC Controls and Displays on page 3-74. The air-conditioning system removes moisture from the air, so you may notice water dripping underneath your vehicle while idling or after turning off the engine. This is normal. [ (Floor): This - 2006 Cadillac STS | Owner's Manual - Page 194
shown in the center of the climate control display under the outline shape of a vehicle. When the air quality sensor senses poor quality air, the recirculation graphic will be shown as long as the sensor senses poor quality air. Under some conditions, the air quality sensor system will not operate - 2006 Cadillac STS | Owner's Manual - Page 195
manually select recirculation. Your vehicle may also be equipped with a charcoal filter that can limit many odors from being pulled into your vehicle. This filter, like your engines air cleaner filter, will need to be changed periodically. See Scheduled Maintenance on page 6-4. The air quality sensor - 2006 Cadillac STS | Owner's Manual - Page 196
windows of fog or moisture and warm the passengers. Use the defrost mode to remove fog or frost from the windshield more quickly. yN z (Mode): Press this button temperature sensor located next to the steering wheel on the instrument panel. These sensors monitor the solar radiation and the air inside - 2006 Cadillac STS | Owner's Manual - Page 197
off recirculation and run the air-conditioning compressor, unless the outside rear glass. These actions may damage the rear defogger. Repairs would not be covered by your warranty. Rear Window Defogger The rear window defogger uses a warming grid to remove fog or frost from the rear window. The rear - 2006 Cadillac STS | Owner's Manual - Page 198
the highest setting, the passenger compartment air filter may need to be replaced. For more information, see Passenger Compartment Air Filter on page 3-55. Your vehicle has a rear climate control system. The base model includes air outlets in the rear of the center console for cooling and under-seat - 2006 Cadillac STS | Owner's Manual - Page 199
it. Make sure you always replace the old filter with a new one. Y (Vent): This mode directs all the rear passenger airflow to the outlets in the console. This is the normal position for cool down conditions. \ (Bi-Level): [ (Floor): This mode directs airflow to the console outlets and the floor. This - 2006 Cadillac STS | Owner's Manual - Page 200
the inboard side and remove it. The access panel for the passenger compartment air filter is located under the hood near the windshield, on the passenger's side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. See Doing Your Own Service Work on page - 2006 Cadillac STS | Owner's Manual - Page 201
there may be a problem, check the section that tells you what to do about it. Follow this manual's advice. Waiting to do repairs can be costly - and even dangerous. So please get to know your warning lights and gages. They're a big help. Your vehicle also has a Driver Information Center (DIC) that - 2006 Cadillac STS | Owner's Manual - Page 202
will know how fast you are going, how much fuel you are using and many of the other things you will need to know to drive safely and economically. United States Uplevel version shown, Canada and - 2006 Cadillac STS | Owner's Manual - Page 203
be checked without the vehicle running. Your vehicle's odometer works together with the driver information center. You light will be repeated if the driver remains unbuckled and the vehicle is in motion. Tachometer This gage indicates the engine speed in revolutions per minute (rpm). If the driver - 2006 Cadillac STS | Owner's Manual - Page 204
. Airbag Readiness Light There is an airbag readiness light on the instrument panel, which shows the airbag symbol. The system checks the airbag's electrical system for malfunctions. The light tells you if there is an electrical problem. The system check includes the airbag sensors, the airbag - 2006 Cadillac STS | Owner's Manual - Page 205
a few seconds when you turn the vehicle on. If the light does not come on then, have it fixed so it will be ready to warn you if there is a problem. If there is a problem with the airbag system in your vehicle, the Service airbag message will appear on the DIC display. See DIC Warnings and - 2006 Cadillac STS | Owner's Manual - Page 206
: Even though the passenger sensing system is designed to turn off the passenger's frontal airbag if the system detects a rear-facing child restraint, no system is failsafe, and no one can guarantee that an airbag will not deploy under some unusual circumstance, even though it is turned off. We - 2006 Cadillac STS | Owner's Manual - Page 207
be a problem with the lights or the passenger sensing system. See your dealer for service. Charging System Light When you turn the engine on, this light will come on briefly to show that the generator and battery charging systems are working properly. {CAUTION: If the off indicator and the airbag - 2006 Cadillac STS | Owner's Manual - Page 208
Brake System Warning Light Your vehicle's hydraulic brake system is divided into two parts. If one part isn't working, the other part can still work and stop you. For good braking, though, you need both parts working well. If the warning light comes on, there is a brake problem. Have your brake - 2006 Cadillac STS | Owner's Manual - Page 209
are driving, your vehicle needs service. If the regular brake system warning light is not on, you still have brakes, but you do not have anti-lock brakes. If the regular brake system warning light is also on, you do not have anti-lock brakes and there is a problem with your regular brakes. See Brake - 2006 Cadillac STS | Owner's Manual - Page 210
Driving Mode (STS-V) on page 4-10 for more information. 3-66 This light will also come on briefly when the vehicle is started. If the light does not go out or comes on and stays on while driving, there may be a problem with the cooling system. Driving with engine coolant temperature light - 2006 Cadillac STS | Owner's Manual - Page 211
Generation) and is intended to assure that emissions are at acceptable levels for the life of the vehicle, helping to produce a cleaner environment. The Check Engine light comes on to indicate that there is a problem and service is required. Malfunctions often will be indicated by the system before - 2006 Cadillac STS | Owner's Manual - Page 212
costly repairs not covered by your warranty. This may also result in a failure to pass a required Emission Inspection/Maintenance test. See Accessories and Modifications on page 5-3. This light should come on briefly, as a check to show you it is working, as you start the engine. If the light does not - 2006 Cadillac STS | Owner's Manual - Page 213
off. If none of the above steps have made the light turn off, your dealer can check the vehicle. Your dealer has the proper test equipment and diagnostic tools to fix any mechanical or electrical problems that may have developed. Emissions Inspection and Maintenance Programs Some state/provincial - 2006 Cadillac STS | Owner's Manual - Page 214
instrument panel, including the Check Engine light, will light up and the ignition will be on, but the engine will not start - if you press the bottom of the ACC button only briefly, less than five seconds, the accessory mode will be turned on, but not the ignition. After the bulb check, be sure to - 2006 Cadillac STS | Owner's Manual - Page 215
you if there could be a problem with your engine oil pressure. Fog Lamp Light The fog lamps light will come on when the fog lamps are in use. This light will come on briefly when you start your engine. That is a check to be sure the light works. If it does not come on, be sure to have - 2006 Cadillac STS | Owner's Manual - Page 216
engine is on. The light light comes on whenever the high-beam headlamps are on. See "Intellibeam™ Intelligent High-Beam Headlamp Control System" under Headlamps on page 3-31 and Headlamp High/Low-Beam Changer on page 3-8 for more information. 3-72 If the fuel supply gets low, the Full Level change - 2006 Cadillac STS | Owner's Manual - Page 217
(DSC) feature is active, the DIC will change to show the selected gear. See "Driver Shift Control (DSC)" under Automatic Transmission Operation (STS) on page 2-28 or Automatic Transmission Operation (STS-V) on page 2-32 for more information. If a problem is detected, a warning message will appear on - 2006 Cadillac STS | Owner's Manual - Page 218
DIC Controls and Displays The Driver Information Center (DIC) has different modes which can be accessed by pressing the four DIC buttons located on the instrument panel, to the left of the steering wheel. «4ª (Information): DIC Buttons (Base Level) If your vehicle does not have a Head-Up Display ( - 2006 Cadillac STS | Owner's Manual - Page 219
to change the position of the HUD on the windshield. Press the top part of the button to move the HUD image up. Press the bottom part of fuel used, average speed, timer, battery voltage, tire pressure, if your vehicle has a tire pressure monitor (TPM) system, engine oil life, if your vehicle has - 2006 Cadillac STS | Owner's Manual - Page 220
number of remaining miles (mi) or kilometers (km) you can drive without refilling your fuel tank. This estimate is based on the current driving conditions and will change if the driving conditions change. For example, if you are driving in traffic making frequent stops, the display may read one - 2006 Cadillac STS | Owner's Manual - Page 221
air pressure in the driver's side rear tire. RR TIRE: This display shows the air pressure in the passenger's side rear tire. If the tire pressure display shows dashes instead of a value, there may be a problem with your vehicle. If this consistently occurs, see your GM dealer for service. BATTERY - 2006 Cadillac STS | Owner's Manual - Page 222
the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Scheduled Maintenance on page 6-4 and Engine Oil on page 5-18. After an oil change, reset the ENGINE OIL LIFE display. To reset, see Engine Oil Life System on page 5-24. The display will show 100 - 2006 Cadillac STS | Owner's Manual - Page 223
the same time. For base level vehicles, each trip odometer AUTOMATIC LIGHTS OFF BATTERY NOT CHARGING SERVICE CHARGING SYS message. DIC Warnings and Messages These messages will appear if there is a problem detected in one of your vehicle's systems. The text messages are the same for both the base - 2006 Cadillac STS | Owner's Manual - Page 224
battery voltage is dropping beyond a reasonable level. The battery accessories. Turn on the exterior lamps and radio, set the climate control on AUTO and the fan speed on the highest setting, and turn the rear window defogger on. The normal battery voltage range is 11.5 to 15.5 volts when the engine - 2006 Cadillac STS | Owner's Manual - Page 225
BATTERY VOLTS. CHECK BRAKE FLUID This message will display if the ignition is on to inform the driver that the brake fluid level is low. Have the brake system serviced by your GM dealer as soon as possible. See Brake System Warning Light on page 3-64 for more information. CHECK COOLANT LEVEL This - 2006 Cadillac STS | Owner's Manual - Page 226
TIRE PRESSURE This symbol appears with the CHECK TIRE PRESSURE message. CHECK WASHER FLUID This symbol appears with the CHECK WASHER FLUID message. If your vehicle has a Tire Pressure Monitor (TPM) system, this message will display when one or more of the vehicle's tires are low or - 2006 Cadillac STS | Owner's Manual - Page 227
) light will be on when the competitive driving mode is on. The traction control system will not operate while in competitive driving mode. You should adjust your driving accordingly. See Competitive Driving Mode (STS-V) on page 4-10 for more information. ENGINE COOLANT HOT IDLE ENGINE Notice - 2006 Cadillac STS | Owner's Manual - Page 228
on page 3-67. To avoid added strain on a hot engine, the air conditioning compressor is automatically turned off. When the coolant temperature returns to normal, the air conditioning compressor will turn back on. You can continue to drive your vehicle. If this message continues to appear, have the - 2006 Cadillac STS | Owner's Manual - Page 229
LEVEL LOW message. ICE POSSIBLE This message will display when the outside temperature is cold enough to create icy road conditions. KEY FOB BATTERY LOW When this message displays, it means that the battery in your keyless access transmitter is low. Replace the battery the driver's side rear door - 2006 Cadillac STS | Owner's Manual - Page 230
this message to appear: • Driver-added equipment plugged into the accessory power outlet on the center console is causing interference. Examples of bag as these devices. If moving the transmitter to different locations within the vehicle does not help, place the transmitter in the center console - 2006 Cadillac STS | Owner's Manual - Page 231
off. Your vehicle may be near a strong radio antenna signal causing the keyless access system to be jammed ENGINE Notice: If you drive your vehicle while the engine oil pressure is low, severe engine BRAKE TO START ENGINE When this message displays, it means that you need to press down on the brake - 2006 Cadillac STS | Owner's Manual - Page 232
AIR BAG This message will display when there is a problem with the airbag system. Have your vehicle serviced by your GM dealer immediately. See Airbag Readiness Light on page 3-60 for more information. RIGHT REAR DOOR AJAR This symbol appears with the RIGHT REAR DOOR AJAR message. SERVICE BRAKE - 2006 Cadillac STS | Owner's Manual - Page 233
system is not working properly. Have your vehicle serviced by your GM dealer as soon as possible. SERVICE THEFT SYSTEM This message will display when there is a problem with the hood open and closed switches. The switches may need to be replaced. When this message is displayed, the theft-deterrent - 2006 Cadillac STS | Owner's Manual - Page 234
centered. Once the sensors are centered, the StabiliTrak® system will be ready and the STABILITY SYS READY message will display. The second condition that may cause this message to display is when you first start your vehicle and drive a problem in the suspension system. Have your vehicle serviced by - 2006 Cadillac STS | Owner's Manual - Page 235
. Adjust your driving accordingly. See StabiliTrak® System on page 4-11 for more information. STARTING DISABLED THROTTLE PROBLEM This message will display when your vehicle's throttle system is not functioning properly. Have your vehicle serviced by your - 2006 Cadillac STS | Owner's Manual - Page 236
your driving accordingly. The message will stay on for a few seconds after the traction control system stops limiting wheel spin. See Traction Control System (TCS) on page 4-9 for more information. TRUNK OPEN This symbol appears with the TRUNK OPEN message. TRANS (Transmission) HOT IDLE ENGINE - 2006 Cadillac STS | Owner's Manual - Page 237
Driver Information Center (DIC). To acknowledge a message and read another message that may have come on at the same time, press the reset button. • OFF/ACC (Accessory Access System Operation on page 2-5. • SHIFT TO PARK See Starting the Engine on page 2-25 and Shifting Into Park (P) on page 2-36. - 2006 Cadillac STS | Owner's Manual - Page 238
it can be added by checking with your dealer. Also, check federal rules covering mobile radio and telephone units. If sound equipment can be added, it is very important to do it properly. Added sound equipment may interfere with the operation of your vehicle's engine, radio, or other systems, and - 2006 Cadillac STS | Owner's Manual - Page 239
or additional equipment is added to your vehicle, the chimes may not work. Make sure that replacement or additional equipment is compatible with your vehicle before installing it. See Accessories and Modifications on page 5-3. Figure out which audio system is in your vehicle, find out what your - 2006 Cadillac STS | Owner's Manual - Page 240
, and the name of the program being broadcast. Radio with CD shown, Radio with Six-Disc CD similar XM™ Satellite Radio Service XM™ is a satellite radio service that is based in the 48 contiguous United States and in Canada (if available). XM™ offers over 100 coast to coast channels including music - 2006 Cadillac STS | Owner's Manual - Page 241
the main menu. 2. Turn the tune/select knob until INFO appears on the display. 3. Press the tune/select knob to select INFO. The display will change to show the additional XM information. 4. Press the BACK (F6) button to exit the display. To return to the original display, repeatedly press the BACK - 2006 Cadillac STS | Owner's Manual - Page 242
A LOCAL/DISTANT Selection: With this feature you can set the radio to search for local stations or stations that are further away for a larger selection. To set this feature to LOCAL or DISTANT, perform the following steps: 1. Press the tune/select knob to enter the main menu. 2. Turn the tune/ - 2006 Cadillac STS | Owner's Manual - Page 243
(F6) button or wait for the display to time out. When battery power is removed and later applied, you will not have to reset your radio presets. (F6) button or wait for the display to time out. Follow the manual or automatic steps previously listed for setting the preset pushbuttons for both home - 2006 Cadillac STS | Owner's Manual - Page 244
to the right or the left speakers and the FADER to the front or the rear speakers. 6. Press the tune/select knob to set the adjustment. 7. Press affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. Adjusting the Speakers (Balance/Fade) To adjust - 2006 Cadillac STS | Owner's Manual - Page 245
display. The message may display the artist, song title, call in phone numbers, etc. If the entire message does not appear on the display, parts of the message will appear every three seconds until the message is completed. Once the completed message has been displayed, MSG will disappear from the - 2006 Cadillac STS | Owner's Manual - Page 246
to listen to. Not all stations support PTYs. The radio may not go to all of the stations with that music type when pressing the pushbutton. AF (Alternate Frequency): Alternate frequency allows the radio to switch to ® system has been activated. Take the vehicle to the dealer for service. 3-102 - 2006 Cadillac STS | Owner's Manual - Page 247
is functioning correctly, but the vehicle is in a location that is blocking the XM signal. When the vehicle is moved into an open area, the signal should return. The audio system is 4 second delay) Channel not in service Channel no longer available Artist Name/Feature not available Channel Off - 2006 Cadillac STS | Owner's Manual - Page 248
. For security purposes, XM receivers cannot be swapped between vehicles. If this message is received after having your vehicle serviced, check with your GM dealer. If tuned to channel 0, this message will alternate with the XM Radio 8 digit radio ID label. This label is needed to activate the - 2006 Cadillac STS | Owner's Manual - Page 249
in finding tracks, and/or difficulty in loading and ejecting. If these problems occur, check the bottom surface of the CD. If the surface of the CD is damaged could damage the CD player. When using the CD player, use only CDs in good condition without any label, load one CD at a time, and keep the CD - 2006 Cadillac STS | Owner's Manual - Page 250
track. Press this pushbutton again to remove the time of the track from loading and ejecting. If these problems occur, check the bottom surface of the CD CD player, use only CDs in good condition without any label, load one is not loaded, the display will not change from the radio source. Z (Eject): - 2006 Cadillac STS | Owner's Manual - Page 251
If an error appears on the display, see "CD Messages" later in this section. When a CD is inserted, the CD functions will appear on the display above the pushbuttons, in place of the preset stations (if programmed). M (Load): Press this button to load CDs into the CD player. This CD player will - 2006 Cadillac STS | Owner's Manual - Page 252
select the source and to play. CD will appear on the display if a CD is loaded. If a CD is not loaded, the display will not change from the radio source. • RPT TRCK (Repeat Track): Repeats the track over again. RPT TRCK will appear on the display. Press the MODE pushbutton again - 2006 Cadillac STS | Owner's Manual - Page 253
an MP3 CD that was recorded using no file folders. The system can support up to 11 folders in depth, though, keep the depth of the folders to a minimum in order to keep down the complexity and confusion in trying to locate a particular folder during playback. If a CD contains more than the maximum of - 2006 Cadillac STS | Owner's Manual - Page 254
playlists and compressed audio files, but no folders, all files will be located under the root folder. The folder down and the folder up buttons will search 32 characters or 4 pages will be shortened. The display will not show parts of words on the last page of text and the extension of the filename - 2006 Cadillac STS | Owner's Manual - Page 255
in finding tracks, and/or difficulty in loading and ejecting. If these problems occur, check the bottom surface of the CD. If the surface of the CD is damaged could damage the CD player. When using the CD player, use only CDs in good condition without any label, load one CD at a time, and keep the CD - 2006 Cadillac STS | Owner's Manual - Page 256
F1 r (Previous Folder): Press this pushbutton to go to the first track in the previous folder. Press and hold this pushbutton to reverse quickly within a track. Release this pushbutton to play the passage. REV and the elapsed time of the track will appear on the display. Pressing this button while in - 2006 Cadillac STS | Owner's Manual - Page 257
. 3. Press the tune/select knob to select INFO. The display will change to show the additional MP3 information. 4. Press one of the following pushbuttons a CD is loaded. If a CD is not loaded, the display will not change from the radio source. Z (Eject): Press this button to stop a CD when - 2006 Cadillac STS | Owner's Manual - Page 258
located driving on a very rough road. When the road becomes smoother, the CD should play. • The CD is dirty, scratched, wet, or upside down. • The air problem while burning the CD. • The label may be caught in the CD player. If the CD is not playing correctly, for any other reason, try a known good - 2006 Cadillac STS | Owner's Manual - Page 259
the Base audio system, press the CNFG button located on the radio or press the tune/select knob located on driver distraction. Technology alone, no matter how advanced, can never replace your own judgment. See the navigation system manual for some tips to help you reduce distractions while driving - 2006 Cadillac STS | Owner's Manual - Page 260
descriptions are for the Base audio system. For information pertaining to the Navigation audio system, see "Audio System" in the Index of the Navigation System manual supplied with your vehicle. e BASS - MID (Midrange) - TREBLE: This menu item allows you to adjust the levels for the bass, midrange - 2006 Cadillac STS | Owner's Manual - Page 261
you to select radio stations based on preset categories. See " on page 3-96 for more information. AF (Alternate Frequency): This menu item allows you to turn . ASEEK LOCAL/DISTANT: This feature instructs the audio system to seek only XM™ satellite radio service and CD MP3 playback information. See - 2006 Cadillac STS | Owner's Manual - Page 262
DRIVER SELECTION DRIVER EXIT SETTINGS CONFIGURE DISPLAY KEYS DRIVER 1 DRIVER 2 RECALL DRIVER SETTINGS STORE DRIVER SETTINGS For more information on the DRIVER SELECTION submenu item, see "Recalling Driver Settings" and "Storing Driver Settings" under Memory Seat, Mirrors and Steering Wheel - 2006 Cadillac STS | Owner's Manual - Page 263
Wheel on page 2-70. Audio Steering Wheel Controls CONFIGURE DISPLAY KEYS (Base Audio System) This item allows you to customize the functions of the four configurable keys located a different vehicle, it will not operate. If the radio is removed from your vehicle, the original VIN in the radio can be - 2006 Cadillac STS | Owner's Manual - Page 264
some of the audio steering wheel controls work when a DVD is playing in the navigation radio. See the Navigation System manual for more information. Radio as cellphone chargers, vehicle convenience accessories, and external electronic devices are plugged into the accessory power outlet. If there is - 2006 Cadillac STS | Owner's Manual - Page 265
's battery, or simply having the phone on. This interference is an increased level of it. Make sure the wiping process starts from the center to the edge. Do not touch the bottom side of in and out. XM™ Satellite Radio Service XM™ Satellite Radio Service gives digital radio reception from coast-to- - 2006 Cadillac STS | Owner's Manual - Page 266
else that is sharp, as this may damage the rear window defogger grid and affect your radio's ability to pick up stations clearly. The repairs would not be covered by your warranty. XM™ Satellite Radio Antenna System The XM™ Satellite Radio antenna is located on the roof of your vehicle. Keep this - 2006 Cadillac STS | Owner's Manual - Page 267
in Emergencies ...4-9 Traction Control System (TCS) ...4-9 Competitive Driving Mode (STS-V) ...4-10 Magnetic Ride Control ...4-11 Limited-Slip Rear Axle ...4-11 StabiliTrak® System ...4-11 Panic Brake Assist ...4-12 All-Wheel Drive (AWD) System ...4-12 Steering ...4-12 Off-Road Recovery ...4-15 - 2006 Cadillac STS | Owner's Manual - Page 268
be ready. Rear-end collisions are about the most preventable of accidents. Yet they are common. Allow enough following distance. Defensive driving requires that a driver concentrate on the driving task. Anything that distracts from the driving task makes proper defensive driving more difficult and - 2006 Cadillac STS | Owner's Manual - Page 269
good medical, psychological, and developmental reasons for these laws. The obvious way to eliminate the leading highway safety problem is for people never to drink alcohol and then drive . • The amount of alcohol consumed • The drinker's body weight • The amount of food that is consumed before and - 2006 Cadillac STS | Owner's Manual - Page 270
affected well below a BAC of 0.10 percent. Research shows that the driving skills of many people are impaired at a BAC approaching 0.05 percent, and that the effects are worse at night. All drivers are impaired at BAC levels above 0.05 percent. It is the amount of alcohol that counts. For example - 2006 Cadillac STS | Owner's Manual - Page 271
level of 0.10 percent, the chance of this driver having a collision is 12 times greater; at a level of 0.15 percent, the chance is 25 times greater! The body to avoid the collision. There is something else about drinking and driving that many people do not know. Medical research shows that alcohol - 2006 Cadillac STS | Owner's Manual - Page 272
on page 4-9 and StabiliTrak® System on page 4-11. Adding non-GM accessories can affect your vehicle's performance. See Accessories and Modifications on page 5-3. Braking See Brake System Warning Light on page 3-64. Braking action involves perception time and reaction time. First, you have to decide - 2006 Cadillac STS | Owner's Manual - Page 273
. See Accessories and Modifications on page 5-3. Anti-Lock Brake System (ABS) Your vehicle has anti-lock brakes. ABS is an advanced electronic braking system that will help prevent a braking skid. When you start your engine and begin to drive away, your anti-lock brake system will check itself - 2006 Cadillac STS | Owner's Manual - Page 274
is what happens with ABS: A computer senses that wheels are slowing down. If one of the wheels is about to stop rolling, the computer will separately work the brakes at each wheel. The anti-lock system can change the brake pressure faster than any driver could. The computer is programmed to make the - 2006 Cadillac STS | Owner's Manual - Page 275
to lose traction. On an All-Wheel-Drive (AWD) vehicle, the system will operate if it senses that any of the wheels are spinning or beginning to lose traction. When this happens, the system brakes the spinning wheel(s) and/or reduces engine power to limit wheel spin. You may feel or hear the - 2006 Cadillac STS | Owner's Manual - Page 276
located near the shift lever, twice within five seconds. Competitive driving mode allows the driver to have control of the power applied to the rear wheels, while the StabiliTrak® system helps steer the vehicle by selective brake application. In competitive mode, the levels system warning light will - 2006 Cadillac STS | Owner's Manual - Page 277
is a problem detected with StabiliTrak®, a SERVICE STABILITY SYS message will be displayed on the Driver Information Center. See DIC Warnings and Messages on page 3-79. When this message is displayed, the system is not operational. Driving should be adjusted accordingly. Limited-Slip Rear Axle Your - 2006 Cadillac STS | Owner's Manual - Page 278
3-16 or Adaptive Cruise Control on page 3-19 for more information. All-Wheel Drive (AWD) System If your vehicle is equipped with this feature, engine power is sent to all four wheels all the time. This is like four-wheel drive, but it is fully automatic. Steering Power Steering If you lose power - 2006 Cadillac STS | Owner's Manual - Page 279
. Of course, the posted speeds are based on good weather and road conditions. Under less favorable drive wheel torque and minimize the transmission response time and shift activity. During this kind of maneuver, the transmission shifts automatically as vehicle speed changes. Adding non-GM accessories - 2006 Cadillac STS | Owner's Manual - Page 280
180 degrees very quickly without removing either hand. But you have to act fast, steer quickly, and just as quickly straighten the wheel once you have avoided the object. The fact that such emergency situations are always possible is a good reason to practice defensive driving at all times and wear - 2006 Cadillac STS | Owner's Manual - Page 281
Off-Road Recovery You may find that your right wheels have dropped off the edge of a road onto the shoulder while you are driving. Passing The driver of a vehicle about to pass another on a two-lane highway waits for just the right moment, accelerates, moves around the vehicle ahead, then goes back - 2006 Cadillac STS | Owner's Manual - Page 282
distance. • Check your mirrors, glance over your shoulder, and start your left lane change signal before slowly moving vehicle too rapidly. Even though the brake lamps are not flashing, it may be slowing being passed, make it easy for the following driver to get ahead of you. Perhaps you can - 2006 Cadillac STS | Owner's Manual - Page 283
driving experts say about what happens when the three control systems - brakes, steering, and acceleration - do not have enough friction where the tires meet the road to do what the driver see the STABILITY SYS ACTIVE message on the Driver Information Center. See DIC Warnings and Messages on page 3- - 2006 Cadillac STS | Owner's Manual - Page 284
See your warranty book before using your vehicle for competitive driving. Notice: If you use your vehicle for racing or other competitive driving, the engine may use more oil than it would with normal use. Low oil levels can damage the engine. Be sure to check the oil level often during racing - 2006 Cadillac STS | Owner's Manual - Page 285
eyes will have less trouble adjusting to night. But if you are driving, do not wear sunglasses lighted objects. Just as the headlamps should be checked regularly for proper aim, so should your eyes be examined regularly. Some drivers suffer from night blindness - the inability to see in dim light - 2006 Cadillac STS | Owner's Manual - Page 286
reflexes are tuned for driving on dry pavement. After driving through a large puddle of water or a car wash, apply your brake pedal lightly until your brakes work normally. Driving too fast through large water puddles or even going through some car washes can cause problems, too. The water may affect - 2006 Cadillac STS | Owner's Manual - Page 287
be very cautious about trying to drive through flowing water. Driving Through Deep Standing Water Notice: If you drive too quickly through deep puddles or standing water, water can come in through your engine's air intake and badly damage your engine. Never drive through water that is slightly lower - 2006 Cadillac STS | Owner's Manual - Page 288
before you start to move, check both ways for vehicles that have not cleared the intersection or may be running the red light. One of the biggest problems with city streets is the amount of traffic on them. You will want to watch out for what the other drivers are doing and pay attention - 2006 Cadillac STS | Owner's Manual - Page 289
traffic and keep to the right. Drive at the same speed most of the other drivers are driving. Too-fast or too-slow driving breaks a smooth traffic flow. Treat Stay in the right lane unless you want to pass. Before changing lanes, check your mirrors. Then use your turn signal. Mile for mile, freeways - 2006 Cadillac STS | Owner's Manual - Page 290
? • Fuel, Engine Oil, Other Fluids: Have you checked all levels? Before Leaving on a Long Trip Make sure you are ready. Try to be well rested. If you must start when you are not fresh - such as after a day's work - do not plan to make too many miles that first part of the journey. Wear comfortable - 2006 Cadillac STS | Owner's Manual - Page 291
asleep at the wheel? Call it highway road, the drone of the engine, and the rush of the Check your rearview mirrors and your instruments frequently. Driving on steep hills or mountains is different from driving in flat or rolling terrain. • If you get sleepy, pull off the road into a rest, service - 2006 Cadillac STS | Owner's Manual - Page 292
your vehicle in good shape. Check all fluid levels and also the brakes, tires, cooling system, and transmission. These parts can work hard on mountain roads. CAUTION: (Continued) You would then have poor braking or even none going down a hill. You could crash. Always have your engine running and - 2006 Cadillac STS | Owner's Manual - Page 293
tips for winter driving: • Have your vehicle in good shape for winter. • You may want to put winter emergency supplies in your trunk. Also see Tires if you will be driving under severe conditions, include a small bag of sand, a piece of old carpet, or a couple of burlap bags to help provide traction - 2006 Cadillac STS | Owner's Manual - Page 294
Driving on Snow or Ice Most of the time, those places where the tires meet the road probably have good traction. However, if there is snow or ice between the tires and . Very cold snow or ice can be slick and hard to drive on. But wet ice can be even more trouble because it may offer the least 4-28 - 2006 Cadillac STS | Owner's Manual - Page 295
sooner than you would on dry pavement. See Anti-Lock Brake System (ABS) on page 4-7. If You Are Caught be fine until you hit a spot that is covered with ice. On an otherwise clear road, ice patches blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, floor mats - anything you - 2006 Cadillac STS | Owner's Manual - Page 296
know it is in your vehicle. Clear away snow from around the base of your vehicle, especially any that is blocking your exhaust pipe. And check around again from time to time to be sure snow does not collect there. Open a window just a little on the side of the vehicle that is away - 2006 Cadillac STS | Owner's Manual - Page 297
you or others could be injured. And, the transmission or other parts of the vehicle can overheat. That could cause an engine compartment fire or other damage. When you are stuck, spin the wheels as little as possible. Do not spin the wheels above 35 mph (55 km/h) as shown on the speedometer. Notice - 2006 Cadillac STS | Owner's Manual - Page 298
a forward gear, spinning the wheels as little as possible. Release the accelerator pedal while you shift, and press lightly on the accelerator pedal when the maximum front or rear Gross Axle Weight Rating (GAWR). If you do, parts on your vehicle can break, and it can change the way your vehicle - 2006 Cadillac STS | Owner's Manual - Page 299
Limit 1. Locate the statement "The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs" on your vehicle's placard. Label Example A vehicle specific Tire and Loading Information label is attached to the vehicle's center pillar (B-pillar). With the driver's door open, you will - 2006 Cadillac STS | Owner's Manual - Page 300
the load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of vehicle. If your vehicle can tow a trailer, see Towing a Trailer (STS Only) on page 4-40 for important information on towing a trailer, - 2006 Cadillac STS | Owner's Manual - Page 301
) Refer to your vehicle's Tire and Loading Information label for specific information about your vehicle's capacity weight and seating positions. The combined weight of the driver, passengers, and cargo should never exceed your vehicle's capacity weight. 4-35 - 2006 Cadillac STS | Owner's Manual - Page 302
141 lbs (64 kg) in your trunk. {CAUTION: Do not load your vehicle any heavier than the Gross Vehicle Weight Rating (GVWR), or either the maximum front or rear Gross Axle Weight Rating (GAWR). If you do, parts on your vehicle can break, and it can change the way your vehicle handles. These could - 2006 Cadillac STS | Owner's Manual - Page 303
feature keeps the rear of your vehicle level as the load changes. It is automatic, you do not need to adjust anything. {CAUTION: Things you put inside your vehicle can strike and injure people in a sudden stop or turn, or in a crash. • Put things in the trunk of your vehicle. In a trunk, put them - 2006 Cadillac STS | Owner's Manual - Page 304
4-24. Dinghy Towing Notice: If you tow your vehicle with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by your warranty. Do not tow your vehicle with all four wheels on the ground. Your vehicle was not designed to be towed with all - 2006 Cadillac STS | Owner's Manual - Page 305
on the ground, will damage drivetrain components. Do not tow an all-wheel-drive vehicle if any of its wheels will be on the ground. If your vehicle is a rear-wheel drive, it can be towed using a dolly. If you have an All-Wheel Drive (AWD) vehicle, it can only be towed on a flat-bed trailer. 4-39 - 2006 Cadillac STS | Owner's Manual - Page 306
for this part. In it are many time-tested, important trailering tips and safety rules. Many of these are important for your safety and that of your passengers. So please read this section carefully before you pull a trailer. Load-pulling components such as the engine, transmission, wheel assemblies - 2006 Cadillac STS | Owner's Manual - Page 307
for more information. Maximum trailer weight is calculated assuming only the driver is in the tow vehicle and it has all the required you tow a trailer, do not drive over 50 mph (80 km/h) and do not make starts at full throttle. This helps your engine and other parts of your vehicle wear in at - 2006 Cadillac STS | Owner's Manual - Page 308
Customer Assistance Center Cadillac Motor Car Division P.O. Box 33169 Detroit, MI 48232-5169 In Canada, write to: General Motors of Canada Limited Customer Communication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Weight of the Trailer Tongue The tongue load (A) of any trailer - 2006 Cadillac STS | Owner's Manual - Page 309
by hand to be sure the brakes are working. This lets you check your electrical connection at the same time. During your trip, check occasionally to be sure that the load is secure, and that the lamps and any trailer brakes are still working. • The rear bumper on your vehicle is not intended - 2006 Cadillac STS | Owner's Manual - Page 310
driving your vehicle without a trailer. This can help you avoid situations that require heavy braking drivers behind you are seeing your signal when they are not. It is important to check occasionally to be sure the trailer bulbs are still working. Backing Up Hold the bottom of the steering wheel - 2006 Cadillac STS | Owner's Manual - Page 311
. The cooling system may temporarily overheat. See Engine Overheating on page 5-31. But if you ever have to park your rig on a hill, here is how to do it: 1. Apply your regular brakes, but do not shift into PARK (P). When parking uphill, turn the wheels away from the curb. When parking downhill - 2006 Cadillac STS | Owner's Manual - Page 312
fluid (do not overfill), engine oil, drive belt, cooling system and brake system. Each of these is covered in this manual, and the Index will help you find them quickly. If you are trailering, it is a good idea to review this information before you start your trip. Check periodically to see that all - 2006 Cadillac STS | Owner's Manual - Page 313
5 Service and Appearance Care Cooling System ...5-33 Power Steering Fluid ...5-40 Windshield Washer Fluid ...5-41 Brakes ...5-42 Battery ...5-45 Jump Starting ...5-46 All-Wheel Drive ...5-51 Rear Axle ...5-52 Front Axle ...5-53 Bulb Replacement ...5-54 High Intensity Discharge (HID) Lighting - 2006 Cadillac STS | Owner's Manual - Page 314
Tire Quality Grading ...5-75 Wheel Alignment and Tire Balance ...5-76 Wheel Replacement ...5-76 Tire Chains ...5-78 Lifting Your Vehicle (STS-V) ...5-79 If a Tire Goes Flat ...5-81 Changing a Flat Tire (STS Only) ...5-83 Removing the Spare Tire and Tools (STS Only) ...5-85 Removing the Flat Tire and - 2006 Cadillac STS | Owner's Manual - Page 315
trained and supported service people. We hope you will want to keep your GM vehicle all GM. Genuine GM parts have one of these marks: Accessories and Modifications When you add non-GM accessories to your vehicle they can affect your vehicle's performance and safety, including such things as, braking - 2006 Cadillac STS | Owner's Manual - Page 316
. To order the proper service manual, see Service Publications Ordering Information on page 7-14. Your vehicle has an airbag system. Before attempting to do your own service work, see Servicing Your Airbag-Equipped Vehicle on page 1-62. You should keep a record with all parts receipts and list the - 2006 Cadillac STS | Owner's Manual - Page 317
noise when you drive, commonly referred to as spark knock. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If you are using gasoline rated at 87 octane or higher and you hear heavy knocking, your engine needs service. If your vehicle has the 4.6L V8 engine (VIN Code - 2006 Cadillac STS | Owner's Manual - Page 318
open throttle applications. You may also hear audible spark knock during acceleration. Refill your tank with premium fuel as soon as possible to avoid damaging your engine. If you are using gasoline rated at 91 octane or higher and you hear heavy knocking, your engine needs service a smog-check test. - 2006 Cadillac STS | Owner's Manual - Page 319
on driving in another country outside the United States or Canada, the proper fuel may be hard to find. Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by your warranty. To check the - 2006 Cadillac STS | Owner's Manual - Page 320
, read and follow all the instructions on the pump island. Turn off your engine when you are refueling. Do located behind a hinged fuel door on the passenger's side of the vehicle. To open the fuel door, apply pressure in the center of the rear edge of the fuel door and it will pop open. To remove - 2006 Cadillac STS | Owner's Manual - Page 321
likely in hot weather. Open the fuel cap slowly removing the nozzle. Clean fuel from painted surfaces as soon as possible. See Washing Your Vehicle on page 5-98. When replacing CHECK GAS CAP message will appear on the Driver Information Center light and may damage your fuel tank and emissions system. - 2006 Cadillac STS | Owner's Manual - Page 322
Checking is inside a vehicle, in a vehicle's trunk, pickup bed, or on any surface other than the ground. in contact with the inside of the fill opening before operating the nozzle. Contact should be maintained on hot engine parts and start a fire. These include liquids like fuel, oil, coolant, brake fluid, - 2006 Cadillac STS | Owner's Manual - Page 323
the instrument panel. 2. Then go to the front of the vehicle and find the secondary hood release lever. The lever is located under the front edge of the grille near the center. Move the release lever to the side and raise the hood. Before closing the hood, be sure all the filler caps - 2006 Cadillac STS | Owner's Manual - Page 324
may be equipped with front compartment underhood sight shields, which surround the vehicle's engine cover. These sight shields will need to be removed in order to access some of the underhood components in your vehicle. To remove the sight shields, turn the fasteners on each shield to the left until - 2006 Cadillac STS | Owner's Manual - Page 325
See "Checking Engine Oil" under Engine Oil on page 5-18. H. Brake Master Cylinder Reservoir. See "Brake Fluid" under Brakes on page 5-42. I. Engine Coolant Surge Tank and Pressure Cap. See Coolant Surge Tank Pressure Cap on page 5-31 and Cooling System on page 5-33. J. Engine Air Cleaner/Filter. See - 2006 Cadillac STS | Owner's Manual - Page 326
4.6L V8 Engine 5-14 - 2006 Cadillac STS | Owner's Manual - Page 327
See "Checking Engine Oil" under Engine Oil on page 5-18. H. Brake Master Cylinder Reservoir. See "Brake Fluid" under Brakes on page 5-42. I. Engine Coolant Surge Tank and Pressure Cap. See Coolant Surge Tank Pressure Cap on page 5-31 and Cooling System on page 5-33. J. Engine Air Cleaner/Filter. See - 2006 Cadillac STS | Owner's Manual - Page 328
4.4L V8 STS-V Engine 5-16 - 2006 Cadillac STS | Owner's Manual - Page 329
See "Checking Engine Oil" under Engine Oil on page 5-18. I. Brake Master Cylinder Reservoir. See "Brake Fluid" under Brakes on page 5-42. J. Engine Coolant Surge Tank and Pressure Cap. See Coolant Surge Tank Pressure Cap on page 5-31 and Cooling System on page 5-33. K. Engine Air Cleaner/Filter. See - 2006 Cadillac STS | Owner's Manual - Page 330
Checking Engine Oil It is a good idea to check your engine oil every time you get fuel. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. See Engine Compartment Overview on page 5-12 for the location - 2006 Cadillac STS | Owner's Manual - Page 331
Do not add too much oil. If the engine has so much oil that the oil level gets above the cross-hatched area that shows the proper operating range, the engine could be damaged. V6 Engine V8 Engine See Engine Compartment Overview on page 5-12 for the location of the engine oil fill cap. Be sure to add - 2006 Cadillac STS | Owner's Manual - Page 332
Only Look for two things: • GM6094M Your vehicle's engine requires oil meeting GM Standard GM6094M. You should look for and use only an oil that meets GM Standard GM6094M. • SAE 5W-30 As shown - 2006 Cadillac STS | Owner's Manual - Page 333
fied as meeting GM Standard GM6094M and showing the American Petroleum Institute Certified For Gasoline Engines starburst symbol. Failure to use the recommended oil can result in engine damage not covered by your warranty. GM Goodwrench® oil meets all the requirements for your vehicle. If you are - 2006 Cadillac STS | Owner's Manual - Page 334
For V8 Engine Vehicles Only Look for two things: • GM4718M Your vehicle's engine requires a special oil meeting GM If you use oils that do not have the GM4718M Standard designation, you can cause engine damage not covered by your warranty. • SAE 5W-30 As shown in the viscosity chart, SAE 5W - 2006 Cadillac STS | Owner's Manual - Page 335
adding oil to maintain engine oil level, oil meeting GM Standard GM4718M may not be available. You can add substitute oil designated SAE 5W-30 with the starburst symbol at all temperatures. Substitute oil not meeting GM Standard GM4718M should not be used for an oil change. Engine Oil Additives You - 2006 Cadillac STS | Owner's Manual - Page 336
engine oil and filter must be changed at least once a year and at this time the system must be reset. Your dealer has GM-trained service people who will perform this work using genuine GM parts and reset the system. It is also important to check your oil regularly and keep it at the proper level - 2006 Cadillac STS | Owner's Manual - Page 337
collects used oil. If you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. 4.6L V8 Engine shown, 3.6L V6 Engine similar The engine air cleaner/filter is in the engine compartment on the driver's side of the vehicle, near the - 2006 Cadillac STS | Owner's Manual - Page 338
replace the engine air cleaner/filter. See Normal Maintenance Replacement Parts on page 6-14 for the correct part number for the filter. 7. Reinstall the cover by reversing Steps 1 through 4. If your vehicle has the 4.4L V8 STS-V engine, there is a special procedure for checking and changing the air - 2006 Cadillac STS | Owner's Manual - Page 339
into your engine, which will damage it. Always have the air cleaner/filter in place when you are driving. It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take your vehicle to the dealership service department and - 2006 Cadillac STS | Owner's Manual - Page 340
can freeze and crack the engine, radiator, heater core and other parts. Notice: Using coolant other than DEX-COOL® may cause premature engine, heater core, or radiator corrosion. In addition, the engine coolant may require changing sooner, at the first maintenance service after each 25,000 miles - 2006 Cadillac STS | Owner's Manual - Page 341
. If the CHECK COOLANT LEVEL message in the Driver Information Center (DIC) comes on and stays on, it means you are low on engine coolant. See DIC Warnings and Messages on page 3-79 for more information. Checking Coolant The coolant surge tank and pressure cap are located on the driver's side of - 2006 Cadillac STS | Owner's Manual - Page 342
Checking Intercooler System Coolant (4.4L V8 STS-V Engine Only) Adding Coolant If you need more coolant, add the proper DEX-COOL® coolant mixture at the intercooler fill neck, but only when the engine is cool. See Cooling System on page 5-33 for instructions on how to add coolant to the intercooler - 2006 Cadillac STS | Owner's Manual - Page 343
Mode on page 5-32 for information on driving to a safe place in an emergency. 5-31 Engine Overheating You will find an ENGINE COOLANT HOT IDLE ENGINE, an ENGINE OVERHEATED STOP ENGINE and a CHECK COOLANT LEVEL message displayed in the Driver Information Center (DIC). See DIC Warnings and Messages on - 2006 Cadillac STS | Owner's Manual - Page 344
indicate a serious problem. If you get an engine overheat warning with no CHECK COOLANT LEVEL message, but see or hear no steam, the problem may not be too serious. Sometimes the engine can get a little too hot when you: • Climb a long hill on a hot day. • Stop after high-speed driving. • Idle for - 2006 Cadillac STS | Owner's Manual - Page 345
on a level surface. 3.6L V6 Engine shown, 4.6L V8 and 4.4L V8 STS-V Engines similar A. Electric Engine Cooling Fans B. Coolant Surge Tank and Pressure Cap Some vehicles may be equipped with an engine driven fan, as well as the electric pusher fans (A) which are located behind the vehicle's grille - 2006 Cadillac STS | Owner's Manual - Page 346
, the engine coolant may require changing sooner, at 30,000 miles (50 000 km) or 24 months, whichever occurs first. Any repairs would not be covered by your warranty. Always use DEX-COOL® (silicate-free) coolant in your vehicle. {CAUTION: Heater and radiator hoses, and other engine parts, can - 2006 Cadillac STS | Owner's Manual - Page 347
How to Add Coolant to the Coolant Surge Tank If you have not found a problem yet, check to see if coolant is visible in the surge tank. If coolant is visible but the coolant level is not at the FULL COLD/FROID line on the side of the coolant surge tank, add a 50/50 mixture of clean, drinkable water - 2006 Cadillac STS | Owner's Manual - Page 348
be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. If no coolant is visible in the surge tank, add coolant as follows: 1. You can remove the coolant surge tank pressure cap - 2006 Cadillac STS | Owner's Manual - Page 349
COLD/FROID line on the side of the coolant surge tank. Start the engine and allow it to warm up. If the CHECK COOLANT LEVEL message does not appear on the Driver Information Center (DIC), the coolant is at the proper fill level. If the CHECK COOLANT LEVEL message does appear, repeat Steps 1 to 3 then - 2006 Cadillac STS | Owner's Manual - Page 350
to the Intercooler System Fill Neck (4.4L V8 STS-V Engine Only) If you have not found a problem yet, turn the engine off and allow it to cool down, then check to see if coolant is visible within the horizontal tube section of the fill neck. If coolant is not visible, add a 50/50 mixture of clean - 2006 Cadillac STS | Owner's Manual - Page 351
remove it. 3. Add the proper DEX-COOL® coolant mixture to the fill neck, until the coolant reaches the COLD FILL line on the fill neck. 4. With the Intercooler System pressure cap off, start the engine and let it run for a couple of minutes. Then turn the engine off. By this time, the coolant level - 2006 Cadillac STS | Owner's Manual - Page 352
with a clean rag. 4. Replace the cap and completely tighten it. 5. Remove the cap again and look at the fluid level on the dipstick. The level should be within the HOT mark. If necessary, add only enough fluid to bring the level within the mark. When to Check Power Steering Fluid It is not necessary - 2006 Cadillac STS | Owner's Manual - Page 353
The CHECK WASHER FLUID message will appear on the Driver Information Center (DIC) when the fluid level is low. See DIC Warnings and Messages on page 3-79 for more information. Open the cap with the washer symbol on it. Add washer fluid until the tank is full. See Engine Compartment Overview on page - 2006 Cadillac STS | Owner's Manual - Page 354
hydraulic system. If the ignition is on and the brake fluid is low, the CHECK BRAKE FLUID message will be displayed in the Driver Information Center (DIC). See DIC Warnings and Messages on page 3-79. There are only two reasons why the brake fluid level in the reservoir might go down. The first is - 2006 Cadillac STS | Owner's Manual - Page 355
the reservoir. Notice: • Using the wrong fluid can badly damage brake system parts. For example, just a few drops of mineral-based oil, such as engine oil, in your brake system can damage brake system parts so badly that they will have to be replaced. Do not let someone put in the wrong kind of - 2006 Cadillac STS | Owner's Manual - Page 356
serviced. Notice: Continuing to drive with worn-out brake pads could result in costly brake repair. Brake Pedal Travel See your dealer if the brake pedal does not return to normal height, or if there is a rapid increase in pedal travel. This could be a sign of brake trouble. Brake Adjustment - 2006 Cadillac STS | Owner's Manual - Page 357
your vehicle, the balance between your front and rear brakes can change - for the worse. The braking performance you have come to expect can change in many other ways if someone puts in the wrong replacement brake parts. Battery Your vehicle has a maintenance free battery. When it is time for a new - 2006 Cadillac STS | Owner's Manual - Page 358
Vehicle Storage If you are not going to drive your vehicle for 25 days or more, remove the black, negative (−) cable from the battery. This will help keep your battery from running down. Jump Starting If your vehicle's battery has run down, you may want to use another vehicle and some jumper cables - 2006 Cadillac STS | Owner's Manual - Page 359
. Put an automatic transmission in PARK (P) or a manual transmission in NEUTRAL before setting the parking brake. Notice: If you leave your radio or other accessories on during the jump starting procedure, they could be damaged. The repairs would not be covered by your warranty. Always turn off your - 2006 Cadillac STS | Owner's Manual - Page 360
fan can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan. Your vehicle has a remote negative (−) ground location, as shown in the illustration. It is located between the battery and the underhood fuse block. You - 2006 Cadillac STS | Owner's Manual - Page 361
more light. Be sure the battery has enough water. You do not need to add water to the battery installed in your new vehicle. But if a battery has or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engine is running. 5. Check that the jumper cables - 2006 Cadillac STS | Owner's Manual - Page 362
vehicle's remote negative (−) ground location is for this purpose. 10. Now start the vehicle with the good battery and run the engine for a while. 11. Try to start the vehicle that had the dead battery. If it will not start after a few tries, it probably needs service. 6. Connect the red positive - 2006 Cadillac STS | Owner's Manual - Page 363
other vehicle. All-Wheel Drive If your vehicle is equipped with all-wheel-drive, this is an additional system that needs lubrication. Transfer Case When to Check Lubricant Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (−) Terminal B. Good Battery or Remote Positive - 2006 Cadillac STS | Owner's Manual - Page 364
noise. A fluid loss could indicate a problem. Have it inspected and repaired. How to Check Lubricant A. Drain Plug B. Fill Plug To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the filler plug hole, located on the transfer case, you'll need - 2006 Cadillac STS | Owner's Manual - Page 365
located on the rear axle, you'll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole. How to Check See Recommended Fluids and Lubricants on page 6-12. Front Axle When to Check and Change Lubricant It is not necessary to regularly check the front - 2006 Cadillac STS | Owner's Manual - Page 366
could be injured. Be sure to read and follow the instructions on the bulb package. High Intensity Discharge (HID) Lighting {CAUTION: The low beam high intensity discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously - 2006 Cadillac STS | Owner's Manual - Page 367
3. Fold the cover down slightly and locate the lamp assembly. 4. Turn the socket counterclockwise and pull it straight out to remove it from the lamp assembly. 5. Pull the old bulb straight out and reinstall the new bulb. 6. Reverse the steps to reinstall. Replacement Bulbs Exterior Lamp Back-up - 2006 Cadillac STS | Owner's Manual - Page 368
windshield wiper blade length and type, see Normal Maintenance Replacement Parts on page 6-14. STS-V models will automatically move the windshield wipers to the park position if the hood is open. Make sure the hood is closed before replacing your windshield wiper blades. 2. Squeeze the tabs on each - 2006 Cadillac STS | Owner's Manual - Page 369
air Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked Replace the blade assembly with a new one. Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered - 2006 Cadillac STS | Owner's Manual - Page 370
. Winter Tires If you expect to drive on snow or ice covered roads often, you may want to get winter tires for your vehicle. All season tires provide good overall performance on most surfaces but they may not offer the traction you would like or the same level of performance as winter tires on - 2006 Cadillac STS | Owner's Manual - Page 371
Tire manufacturers are required to grade tires based on three performance factors: treadwear, traction that can be carried and the maximum pressure needed to support that load. 5-59 Passenger (P-Metric) Tire Example (A) , and service description. See the "Tire Size" illustration later in - 2006 Cadillac STS | Owner's Manual - Page 372
needed to support that load air and gone flat. If your vehicle has a compact spare tire, see Compact Spare Tire (STS Only) on page 5-93 and If a Tire Goes Flat on page 5-81. (F) Tire Size: A combination of letters and numbers define a tire's width, height, aspect ratio, construction type and service - 2006 Cadillac STS | Owner's Manual - Page 373
the wheel in inches. (F) Service a passenger vehicle tire engineered to standards set by Accessory Weight: This means the combined weight of optional accessories. Some examples of optional accessories are, automatic transmission, power steering, power brakes, power windows, power seats, and air - 2006 Cadillac STS | Owner's Manual - Page 374
tire onto the rim. Bias Ply Tire: A pneumatic tire in which the plies are laid at alternate angles less than 90 degrees to the centerline of the tread. Cold Inflation Pressure: The amount of air pressure in a tire, measured in pounds per square inch (psi) or kilopascals (kPa) before a tire has - 2006 Cadillac STS | Owner's Manual - Page 375
: A tire used on passenger cars and some light duty trucks and multipurpose vehicles. degrees to the centerline of the tread. Rim: A metal support for a tire and upon which the tire beads are seated an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. - 2006 Cadillac STS | Owner's Manual - Page 376
flated run-flat tire, check with an authorized run-flat tire service center, as soon as possible, to determine whether the tire can be repaired or should be replaced. To maintain your vehicle's run-flat feature, all replacement tires must be self-supporting tires. To locate the nearest GM or authorized - 2006 Cadillac STS | Owner's Manual - Page 377
-flat tire. Let only an authorized run-flat service center repair, replace, dismount, and mount run-flat tires. The valve stems on your vehicle's run-flat tires have sensors that are part of the Tire Pressure Monitor System (TPMS). These sensors contain batteries which are designed to last for 10 years - 2006 Cadillac STS | Owner's Manual - Page 378
center pillar, below the driver's door latch. This label lists your vehicle's original equipment tires and shows the correct inflation pressures for your tires when they are cold. The recommended cold tire inflation pressure, shown on the label, is the minimum amount of air pressure needed to support - 2006 Cadillac STS | Owner's Manual - Page 379
Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. If your vehicle has this feature, sensors are mounted onto each tire and wheel assembly, except the compact spare tire and wheel. Tire pressure readings are sent to a receiver located in the vehicle once every 60 - 2006 Cadillac STS | Owner's Manual - Page 380
tire, passenger's side front tire, passenger's side rear tire, and driver's side rear tire using a TPMS diagnostic tool. See your GM dealer for service. The TPMS sensors may also be matched to each tire/wheel position by increasing or decreasing the tire's air pressure. If using this method to match - 2006 Cadillac STS | Owner's Manual - Page 381
four tires to the recommended air pressure level as indicated on the tire and loading information label. 12. Put the valve caps back on the valve stems. The spare tire does not have a TPMS sensor. If you replace one of the road tires with the spare, the SERVICE TIRE MONITOR message will be displayed - 2006 Cadillac STS | Owner's Manual - Page 382
complies with Part 15 of the device. Changes or modifications to this system by other than an authorized service facility could soon as possible and check wheel alignment. Also check for damaged tires or wheels. See When It Is Time for New Tires on page 5-72 and Wheel Replacement on page 5-76 for - 2006 Cadillac STS | Owner's Manual - Page 383
116. {CAUTION: Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In an emergency, you - 2006 Cadillac STS | Owner's Manual - Page 384
is time for new tires is to check the treadwear indicators, which will appear fication (TPC Spec) system rating. If you need replacement tires, GM strongly recommends that you get tires with performance of your vehicle, including brake system performance, ride and handling, location of the damage. 5-72 - 2006 Cadillac STS | Owner's Manual - Page 385
part STS Only) on page 5-93. {CAUTION: Mixing tires could cause you to lose control while driving wheel rim flanges could develop cracks after many miles of driving. A tire and/or wheel could fail suddenly, causing a crash. Use only radial-ply tires with the wheels on your vehicle. If you must replace - 2006 Cadillac STS | Owner's Manual - Page 386
the proper warning level you would get vehicle's center pillar (B- Wheel Replacement on page 5-76. Different Size Tires and Wheels If you add wheels or tires that are a different size than your original equipment wheels and tires, this may affect the way your vehicle performs, including its braking - 2006 Cadillac STS | Owner's Manual - Page 387
norm due to variations in driving habits, service practices and differences in road characteristics While the tires available on General Motors passenger cars and light trucks may vary with respect to these grades, assigned to this tire is based on straight-ahead braking traction tests, and does not - 2006 Cadillac STS | Owner's Manual - Page 388
side or the other, the alignment may need to be checked. If you notice your vehicle vibrating when driving on a smooth road, your tires and wheels may need to be rebalanced. See your dealer for proper diagnosis. Wheel Replacement Replace any wheel that is bent, cracked or badly rusted or corroded - 2006 Cadillac STS | Owner's Manual - Page 389
wheel, wheel bolts and wheel nuts for replacement. Notice: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance and tire or tire chain clearance to the body and chassis. See Changing - 2006 Cadillac STS | Owner's Manual - Page 390
amount of clearance can cause damage to the brakes, suspension, or other vehicle parts. The area damaged by the tire chains could instructions. To help avoid damage to your vehicle, drive slowly, readjust, or remove the device if it is contacting your vehicle, and do not spin your vehicle's wheels - 2006 Cadillac STS | Owner's Manual - Page 391
pedal down, set the parking brake with your left foot. 4. Turn off the engine. To be even more certain the vehicle will not move, you can put blocks in front of and behind the wheels. Also, see Shifting Into Park (P) on page 2-36 and Parking Brake on page 2-35 for additional information. Getting - 2006 Cadillac STS | Owner's Manual - Page 392
points using the diagram above. The front lifting location is about 15 inches (37 cm) from the rear edge of the front wheel well. 2. Be sure to place a block or pad between the jack and the vehicle. 3. Lift the vehicle with the jack, making sure the jack is centered on the front lifting point. 5-80 - 2006 Cadillac STS | Owner's Manual - Page 393
. The rear lifting location is about 7 inches (17 cm) from the front edge of the rear wheel well. 2. Be sure to place a block or pad between the jack and the vehicle. 3. Lift the vehicle with the jack, making sure the jack is centered on the rear lifting point. See Doing Your Own Service Work on - 2006 Cadillac STS | Owner's Manual - Page 394
will be reduced during severe maneuvers. If you drive too fast, you could lose control of your vehicle. You or others could be injured. Do not drive over 55 mph (90 km/h) when the low tire warning light is displayed. Drive cautiously and check your tire pressures as soon as you can. 5-82 - 2006 Cadillac STS | Owner's Manual - Page 395
have an STS model, follow the directions for changing a flat tire in this section. If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. in the service manual, are used. To order a service manual see Service Publications Ordering Information on page 7-14. 5-83 - 2006 Cadillac STS | Owner's Manual - Page 396
people. You and they could be badly injured or even killed. Find a level place to change your tire. To help prevent the vehicle from moving: 1. Set the parking brake firmly. 2. Put the shift lever in PARK (P). 3. Turn off the engine and do not restart while the vehicle is raised. 4. Do not allow - 2006 Cadillac STS | Owner's Manual - Page 397
Tire and Tools (STS Only) The equipment you will need is located in the trunk. To gain access to the compact spare tire and jacking equipment, do the following: 1. Open the trunk. See Trunk on page 2-14 for more information. 2. Remove the compact spare tire cover. 4. Remove the compact spare tire - 2006 Cadillac STS | Owner's Manual - Page 398
the Spare Tire (STS Only) 1. If your vehicle has wheel covers, use the flat end of the wheel wrench to remove the covers. Turn the wheel wrench clockwise to gently pry off the wheel cover. Be careful not to scratch the aluminum wheel edge and do not try to remove the wheel cover with your hands - 2006 Cadillac STS | Owner's Manual - Page 399
you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. {CAUTION: 3. Find the vehicle's jacking location using the diagram above and corresponding hoisting notches located in the plastic molding on the vehicle's frame. The notches in the plastic molding - 2006 Cadillac STS | Owner's Manual - Page 400
and training. The jack provided with your vehicle is designed only for changing a flat tire. If it is used for anything else, you is raised, it will fit firmly in the notch located inboard from the rocker molding. 5. Turn the wheel wrench counterclockwise to lower the jack lift head until the - 2006 Cadillac STS | Owner's Manual - Page 401
ground for the compact spare tire to fit under the vehicle. Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from the places where the - 2006 Cadillac STS | Owner's Manual - Page 402
. If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 10. Remove any rust or dirt from the wheel bolts, mounting surfaces, and spare wheel. 14. Lower the vehicle by turning the wheel wrench counterclockwise. Lower the jack completely. 11. Install the spare - 2006 Cadillac STS | Owner's Manual - Page 403
covers will not fit on your compact spare. If you try to put a wheel cover on the compact spare, you could damage the cover or the spare. Do not try to put a wheel cover on your compact spare tire. It will not fit. Store the wheel cover in the trunk until you have the flat tire repaired or replaced - 2006 Cadillac STS | Owner's Manual - Page 404
or Spare Tire and Tools (STS Only) Full-Size Tire and Tools After you have put the compact spare tire on your vehicle, you will need to do the following to store the flat tire in your trunk. 1. Open the trunk. See Trunk on page 2-14. 2. Store the jack and wheel wrench in the jack container - 2006 Cadillac STS | Owner's Manual - Page 405
the vehicle was new, it can lose air after a time. Check the inflation pressure regularly. It should be 60 psi (420 kPa). A. Compact Spare Tire Cover B. Plastic Wing Nut C. Retainer D. Jack Container with Wheel Wrench and Jack 1. Open the trunk. See Trunk E. Compact Spare Tire F. Foam Insert G. Bolt - 2006 Cadillac STS | Owner's Manual - Page 406
longer and be in good shape in case you need it again. Notice: When the compact spare is installed, do not take your vehicle through an automatic car wash with guide rails. The compact spare can get caught on the rails. That can damage the tire and wheel, and maybe other parts of your vehicle - 2006 Cadillac STS | Owner's Manual - Page 407
to the integrated radio antenna and the rear window defogger. When instructions on the label. While cleaning your vehicle's interior, maintain adequate ventilation by opening your vehicle's doors and windows. Dust may be removed (3.78 L) of water is a good guide. • Do not heavily saturate your - 2006 Cadillac STS | Owner's Manual - Page 408
and then vacuum. To clean, use the following instructions: 1. Saturate a lint-free, clean white cloth with water or club soda. 2. Wring the cloth to remove excess moisture. 3. Start on the outside edge of the soil and gently rub toward the center. Continue cleaning, using a clean area of the cloth - 2006 Cadillac STS | Owner's Manual - Page 409
removers on plastic surfaces. Many commercial cleaners and coatings that are sold to preserve and protect soft plastic surfaces may permanently change the appearance and feel of your interior and are not recommended. Do not use silicone or wax-based Speaker Covers Vacuum around a speaker cover gently - 2006 Cadillac STS | Owner's Manual - Page 410
keep the paint finish looking new, keep the vehicle in a garage or covered whenever possible. Cleaning Exterior Lamps/Lenses Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing Your Vehicle on page 5-98. 5-98 - 2006 Cadillac STS | Owner's Manual - Page 411
washer solvent. Then rinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn. Aluminum or Chrome-Plated Wheels The vehicle may be equipped with either aluminum or chrome-plated wheels. Keep the wheels clean using a soft clean cloth with mild - 2006 Cadillac STS | Owner's Manual - Page 412
carbide tire cleaning brushes, you could damage the aluminum or chrome-plated wheels. The repairs would not be covered by your warranty. Never drive a vehicle equipped with aluminum or chrome-plated wheels through an automatic car wash that uses silicone carbide tire cleaning brushes. Do not - 2006 Cadillac STS | Owner's Manual - Page 413
finish damage can be corrected in your GM dealer's body and paint shop. Chemical Paint Spotting Some weather and removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts car washing system can do this for you. 5-101 - 2006 Cadillac STS | Owner's Manual - Page 414
chrome or stainless steel. Removes soil and black marks from whitewalls. Cleans vinyl. Removes dirt, grime, smoke and fingerprints. Removes dirt and grime from chrome wheels and wire wheel covers. Removes Usage Removes swirl marks, fine scratches, and other light surface contamination. Removes light - 2006 Cadillac STS | Owner's Manual - Page 415
code. This code will help you identify your vehicle's engine, specifications, and replacement parts. Service Parts Identification Label You will find this label on your spare tire cover. It is very helpful if you ever need to order parts. On this label, you will find the following: This is the legal - 2006 Cadillac STS | Owner's Manual - Page 416
your vehicle, see Servicing Your Airbag-Equipped Vehicle on page 1-62. Headlamp Wiring The headlamp wiring has an individual fuse. An electrical overload will cause the lamps to go on and off, or in some cases to remain off. If this happens, have the headlamp wiring checked right away. Windshield - 2006 Cadillac STS | Owner's Manual - Page 417
breaker opens and closes, protecting the circuit until the problem is Replace it as soon as you can. The fuses are located in three fuse blocks. One is located in the engine compartment, on the passenger's side of the vehicle, and the other two are located under the rear seat on both the driver - 2006 Cadillac STS | Owner's Manual - Page 418
Underhood Fuse Block 5-106 - 2006 Cadillac STS | Owner's Manual - Page 419
fuse block cover. Then, lift the cover off. Fuses BLOWER R REAR I/P OUTLET CCP PRE 02/CAM ENG W/H R REAR WPR SW BODY W/H FOG LAMP OUTLET Blower Motor Passenger's Side Rear Fuse Block Front Accessory Power Outlet Climate Control, Headlamp Leveling Oxygen Sensor, Camshaft Phasers Engine Wiring Harness - 2006 Cadillac STS | Owner's Manual - Page 420
Lamp, Driver's Side Taillamp License Plate, Instrument Panel Dimming Instrument Panel Module Assembly Line Data Link Connector Heads-Up Display, Column Lock Module V8 Engine Control Module, Evap. Solenoid Anti-lock Brake Controller Starter Relay Heated Washer Nozzles, Air Quality Sensor Fuses ODD - 2006 Cadillac STS | Owner's Manual - Page 421
Quality, Anti-lock Brake System, RUN/CRANK Climate Control Panel, Transmission RELAY MICRO Control Module, Instrument Panel Cluster, Mass Airflow Sensor, Engine Control Module LOW SPEED FAN RELAY Cooling Fan Low Speed MINI Usage Ignition 3, Rain Sensor, Headlamp ACCESSORY Washer, Windshield Wiper - 2006 Cadillac STS | Owner's Manual - Page 422
a short that could damage the battery and or wires. Avoid contact between the rear seat and the fuse center whenever you remove or reinstall the rear seat. Do not remove covers from any of the covered parts, and do not store anything under the seats. To remove the rear seat cushion, do the following - 2006 Cadillac STS | Owner's Manual - Page 423
fuse block located under the rear seat on the driver's side and passenger's side of the vehicle. The rear seat cushion must be removed to access the fuse blocks. See "Removing the Rear Seat Cushion" listed previously in this section. To access the fuses, push in the two tabs, then lift the cover off - 2006 Cadillac STS | Owner's Manual - Page 424
's Side Fuses AMP INTERCOOLER PUMP (OPT) THEFT/ SHIFTER MR-RTD MOD (OPT) REAR DR MOD ELC SOL (OPT) DRIVER DR MOD TV/VICS Usage Amplifier Intercooler Pump (Option) Theft Sensors, Auto Shifter, Power Sounder Magnetic Ride Control Module (Option) Rear Door Modules Automatic Level Control, Exhaust - 2006 Cadillac STS | Owner's Manual - Page 425
Fuses AIR BAG POSITION LAMPS (OPT) JOINT CONNECTOR Relays INTERCOOLER PUMP MICRO (OPT) ELC RELAY MINI (OPT) L POSITION RELAY MICRO TRUNK DR REL RELAY MICRO REV LAMP RELAY MICRO Usage Airbag Rear Taillamps Joint Connector Usage Intercooler Pump (Option) Automatic Level Control Compressor (Option) - 2006 Cadillac STS | Owner's Manual - Page 426
CANISTER VENT Spare Usage Fuses AIR BAG RIM RUN/CRANK Airbags Usage Canister Vent Solenoid Battery to Rear Integration Module Ignition 1, Fog Lamps, Compressor Clutch, Engine Run/Crank Relays RT TURN-RIM Right Turn Signal SUNROOF (OPT) STOP LAMPS FUEL PUMP RF HTD ST/S-BAND RADIO/ ONSTAR 5-114 - 2006 Cadillac STS | Owner's Manual - Page 427
PUMP RELAY MICRO (OPT) Circuit Breakers WINDOW MTRS C/B Usage Stoplamps Interior Lamps Ignition 1 After Boil, Rear Differential Cooling Pump (Option) Usage Spare Rear Defog Fuel Pump Rear Fog Lamps (Option) Usage Power Window Motors Circuit Breaker Diodes Usage TRUNK DIODE Trunk Release 5-115 - 2006 Cadillac STS | Owner's Manual - Page 428
12.5 qt 11.8 L Intercooler System 4.4L Engine 2.6 qt 2.5 L Engine Oil with Filter 3.6L V6 6.0 qt 5.7 L 4.4L V8 (V-Series) 9.0 qt 8.5 L 4.6L V8 8.0 qt 7.6 L Fuel Tank 17.4 gal 66.2 L Transmission 5-Speed Automatic 9.5 qt 9.0 L 6-Speed Automatic (V-Series) 6.5 qt 6.2 L Wheel Nut Torque 100 lb ft 140 - 2006 Cadillac STS | Owner's Manual - Page 429
Code 7 D A Transmission Automatic Automatic Automatic Spark Plug Gap 0.044 inches (1.1 mm) 0.040 inches (1.0 mm) 0.040 inches (1.0 mm) STS-V Engine Data Engine 4.4L V8 (LC3) Horsepower 440 hp (328 kW) @ 6400 rpm Torque 430 lb ft (583 Nm) @ 3600 rpm Displacement 4.4L Compression Ratio 9.0:1 5-117 - 2006 Cadillac STS | Owner's Manual - Page 430
✍ NOTES 5-118 - 2006 Cadillac STS | Owner's Manual - Page 431
Section 6 Maintenance Schedule Owner Checks and Services ...6-8 At Each Fuel Fill ...6-9 At Least Once a Month ...6-9 At Least Once a Year ...6-10 Recommended Fluids and Lubricants ...6-12 Normal Maintenance Replacement Parts ...6-14 Engine Drive Belt Routing (STS-V) ...6-15 Maintenance Record - 2006 Cadillac STS | Owner's Manual - Page 432
Notice: Maintenance intervals, checks, inspections, replacement parts, and recommended fluids and lubricants as prescribed in this manual are necessary to keep your vehicle in good working condition. Any damage caused by failure to follow scheduled maintenance may not be covered by warranty. 6-2 - 2006 Cadillac STS | Owner's Manual - Page 433
Publications Ordering Information on page 7-14. Owner Checks and Services on page 6-8 tells you what should be checked, when to check it, and what you can easily do to help keep your vehicle in good condition. The proper replacement parts, fluids, and lubricants to use are listed in Recommended - 2006 Cadillac STS | Owner's Manual - Page 434
Maintenance When the CHANGE ENGINE OIL SOON message in the Driver Information Center (DIC) comes on, it means that service is required for your vehicle. Have your vehicle serviced as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best - 2006 Cadillac STS | Owner's Manual - Page 435
Month on page 6-9. Inspect brake system. See footnote (a). Check engine coolant and windshield washer fluid levels. If you have the 4.4L V8 supercharged engine, check intercooler fluid level. Add fluid as needed. Perform any needed additional services. See "Additional Required Services" in this section - 2006 Cadillac STS | Owner's Manual - Page 436
for loose or damaged components. Replace engine air cleaner filter. See Engine Air Cleaner/Filter on page 5-25. Change automatic transmission fluid and filter (severe service). See footnote (h). Change automatic transmission fluid and filter (normal service). For all-wheel-drive vehicles used for trailer - 2006 Cadillac STS | Owner's Manual - Page 437
and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. Inspect other brake parts, including calipers, parking brake, etc. (b) Visually inspect front and rear suspension and steering system for damaged, loose, or missing - 2006 Cadillac STS | Owner's Manual - Page 438
. Open the throttle valve and inspect all surfaces. Clean as required. (m) If you drive regularly under dusty conditions, inspect the filter at each engine oil change. (n) Visually inspect belt for fraying, excessive cracks, or obvious damage. Replace belt if necessary. Owner Checks and Services - 2006 Cadillac STS | Owner's Manual - Page 439
wheel positions and may be required for high mileage highway drivers prior to the Engine Oil Life System service notification. Check the tires for wear and, if necessary, rotate the tires. See Tire Inspection and Rotation on page 5-70. Intercooler Coolant Level Check (4.4L Supercharged Engine) Check - 2006 Cadillac STS | Owner's Manual - Page 440
Switch Check Automatic Transmission Shift Lock Control System Check {CAUTION level surface. 2. Firmly apply the parking brake. See Parking Brake on page 2-35. Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the engine off and without applying the regular brake - 2006 Cadillac STS | Owner's Manual - Page 441
held by the parking brake only. • To check the PARK (P) mechanism's holding ability: With the engine running, shift to PARK (P). Then release the parking brake followed by the regular brake. Contact your GM Goodwrench® dealer if service is required. Underbody Flushing Service At least every spring - 2006 Cadillac STS | Owner's Manual - Page 442
water and use only DEX-COOL® Coolant. Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid. GM Optikleen® Washer Solvent. Engine Oil (V6 Engine) Engine Oil (V8 Engine) Chassis Lubricant Parking Brake (GM Part No. U.S. 12377985, in lubricant Cable Guides Canada 88901242) or of NLGI - 2006 Cadillac STS | Owner's Manual - Page 443
. SAE 75W-90 Synthetic Axle Lubricant Front Axle (GM Part No. U.S. 12378261, in (All-Wheel Canada 10953455) meeting Drive) GM Specification 9986115. Transfer Case DEXRON®-III Automatic Transmission (All-Wheel Fluid. Look for "Approved for the Drive) H-Specification" on the label. Usage Usage Hood - 2006 Cadillac STS | Owner's Manual - Page 444
Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your GM dealer. Part Engine Air Cleaner/Filter Element Engine Oil Filter 3.6L V6 4.4L V8 (V-Series) 4.6L V8 Passenger Compartment Air Filter Spark Plugs 3.6L V6 4.4L V8 (V-Series) 4.6L V8 - 2006 Cadillac STS | Owner's Manual - Page 445
Engine Drive Belt Routing (STS-V) 4.4L V8 Engine 6-15 - 2006 Cadillac STS | Owner's Manual - Page 446
are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. See Maintenance Requirements on page 6-2. Any additional information from Owner Checks and Services on page 6-8 can be added on the following record pages. You - 2006 Cadillac STS | Owner's Manual - Page 447
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-17 - 2006 Cadillac STS | Owner's Manual - Page 448
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-18 - 2006 Cadillac STS | Owner's Manual - Page 449
Government ...7-13 Reporting Safety Defects to General Motors ...7-14 Service Publications Ordering Information ...7-14 Customer Assistance and Information ...7-2 Customer Satisfaction Procedure ...7-2 Online Owner Center ...7-3 Customer Assistance for Text Telephone (TTY) Users ...7-4 Customer - 2006 Cadillac STS | Owner's Manual - Page 450
the sales, service or parts manager, contact the owner of the dealership or the general manager. STEP TWO: If after contacting a member of dealership management, it appears your concern cannot be resolved by the dealership without further help, contact the Cadillac Customer Assistance Center, 24 - 2006 Cadillac STS | Owner's Manual - Page 451
change eligibility limitations and/or discontinue its participation in this program. Online Owner Center The Owner Center Center allows you to: • Get e-mail service reminders. • Access information about your specific vehicle, including tips and videos and an electronic version of this owner's manual - 2006 Cadillac STS | Owner's Manual - Page 452
of Canada Limited Canadian Cadillac Customer Communication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Cadillac, the letter should be addressed to Cadillac's Customer Assistance Center. United States - Customer Assistance Cadillac Customer Assistance Center Cadillac Motor Car - 2006 Cadillac STS | Owner's Manual - Page 453
complete with the necessary Cadillac parts and tools required to handle most roadside repairs. Cadillac Roadside Service® can be reached by dialing 1-800-882-1112, 24 hours a day, 365 days a year. This service is provided at no charge for any situation covered by the base warranty coverage and at - 2006 Cadillac STS | Owner's Manual - Page 454
information: Towing Service Battery Jump Starting Lock Out Assistance Fuel Delivery Flat Tire Change (Covers change only) Trip . Items covered are hotel, meals, and rental car. • A description of the problem • Name, home address, home telephone number • Location of your Cadillac and number - 2006 Cadillac STS | Owner's Manual - Page 455
vehicle cannot be scheduled into the service department immediately, keep driving it until it can be scheduled for service, unless, of course, the problem is safety-related. If it is, please call your dealership, let them know this, and ask for instructions. If the dealer requests that you simply - 2006 Cadillac STS | Owner's Manual - Page 456
per day and must be supported by receipts. This requires , alternative transportation Bumper-to-Bumper warranty coverage period, but it is not part as shuttle service, may airbag deployment and, if so equipped, to provide anti-lock braking and to help the driver control the vehicle in difficult driving - 2006 Cadillac STS | Owner's Manual - Page 457
related to engine speed, brake application, throttle position, vehicle speed, safety belt usage, airbag readiness, airbag performance, and If your vehicle is equipped with OnStar®, please check the OnStar® subscription service agreement or manual for information on its operations and data collection - 2006 Cadillac STS | Owner's Manual - Page 458
qualified technician using the proper equipment and quality replacement parts. Poorly performed collision repairs will diminish your vehicle's parts may fit poorly, exhibit premature durability/corrosion problems, and may not perform properly in subsequent collisions. Aftermarket parts are not covered - 2006 Cadillac STS | Owner's Manual - Page 459
replacement parts. Read your lease carefully, as you may be charged at the end of your lease for poor quality repairs. If an Accident Occurs Here is what to do if you are involved in an accident. • Try to relax and then check the driver's name, the service's name, and the phone number. • Remove - 2006 Cadillac STS | Owner's Manual - Page 460
original GM parts. Remember, recycled parts will not be covered by your GM vehicle warranty. Insurance pays the bill for the repair, but you must live with the repair. Depending on your policy limits, your insurance company may initially value the repair using aftermarket parts. Discuss this - 2006 Cadillac STS | Owner's Manual - Page 461
notifying General Motors. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer, or General Motors. To contact NHTSA, you may - 2006 Cadillac STS | Owner's Manual - Page 462
Cadillac Customer Communication Centre, 163-005 General Motors of Canada Limited 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Service Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle suspension, brakes - 2006 Cadillac STS | Owner's Manual - Page 463
cars and trucks. Each bulletin contains instructions to assist in the diagnosis and service of your vehicle. In Canada, information pertaining to Product Service Bulletins can be obtained by contacting your General Motors dealer or by calling 1-800-GM-DRIVE are to make checks payable in U.S. - 2006 Cadillac STS | Owner's Manual - Page 464
✍ NOTES 7-16 - 2006 Cadillac STS | Owner's Manual - Page 465
Airbags? ...1-51 All-Wheel Drive ...5-51 All-Wheel-Drive (AWD) System ...4-12 Antenna, Diversity Antenna System ...3-122 Antenna, XM™ Satellite Radio Antenna System ...3-122 Anti-Lock Brake System (ABS) ...4-7 Anti-Lock Brake, System Warning Light ...3-65 Appearance Care Aluminum or Chrome-Plated - 2006 Cadillac STS | Owner's Manual - Page 466
Transmission Fluid ...5-27 Operation ...2-28, 2-32 Brake Anti-Lock Brake System (ABS) ...4-7 Emergencies ...4-9 Panic Assist ...4-12 Parking ...2-35 System Warning Light ...3-64 Brakes ...5-42 Braking ...4-6 Braking in Emergencies ...4-9 Break-In, New Vehicle ...2-24 Bulb Replacement ...5-54 - 2006 Cadillac STS | Owner's Manual - Page 467
Rear ...3-54 Collision Damage Repair ...7-10 Comfort Guides, Rear Safety Belt ...1-23 Compact Spare Tire ...5-93 Competitive Driving ...4-18 Competitive Driving Mode ...4-10 Control of a Vehicle ...4-6 Convenience Net ...2-51 Coolant Engine Temperature Gage ...3-67 Engine Temperature Warning Light - 2006 Cadillac STS | Owner's Manual - Page 468
...3-35 Defensive Driving ...4-2 Diversity Antenna System ...3-122 Doing Your Own Service Work ...5-4 Door Locks ...2-12 Power Door Locks ...2-12 Programmable Automatic Door Locks ...2-13 Rear Door Security Locks ...2-13 Driver Position, Safety Belt ...1-13 Driver Information Center (DIC) ...3-73 - 2006 Cadillac STS | Owner's Manual - Page 469
Wiper Fuses ...5-104 Engine Air Cleaner/Filter ...5-25 Battery ...5-45 Check and Service Engine Soon Light ...3-67 Coolant ...5-27 Coolant Heater ...2-27 Coolant Temperature Gage ...3-67 Coolant Temperature Warning Light ...3-66 Drive Belt Routing ...6-15 Engine Compartment Overview ...5-12 - 2006 Cadillac STS | Owner's Manual - Page 470
Steering Wheel ...3-7 Heater ...3-48 Highbeam On Light ...3-72 Highway Hypnosis ...4-25 Hill and Mountain Roads ...4-25 Hood Checking Things Under ...5-10 Release ...5-11 Horn ...3-6 How to Use This Manual ...ii How to Wear Safety Belts Properly ...1-13 G Gage Engine Coolant Temperature ...3-67 - 2006 Cadillac STS | Owner's Manual - Page 471
...Inadvertent Power Battery Saver ...Reading ...Twilight Sentinel® ...LATCH System Child Restraints ...Lifting Your Vehicle, Tires ...Light Airbag Readiness ...Anti-Lock Brake System Warning ...Brake System Warning ...Charging System ...Cruise Control ...Engine Coolant Temperature Warning ...Fog - 2006 Cadillac STS | Owner's Manual - Page 472
Maintenance Replacement Parts ...6-14 Owner Checks and Services ...6-8 Recommended Fluids and Lubricants ...6-12 Scheduled Maintenance ...6-4 Using ...6-2 Your Vehicle and the Environment ...6-2 Malfunction Indicator Light ...3-67 Memory Mirrors ...2-70 Memory Seat ...2-70 Memory Steering Wheel - 2006 Cadillac STS | Owner's Manual - Page 473
Retained Accessory (RAP) ...2-25 Seat ...1-2 Steering Fluid ...5-40 O Odometer ...3-59 Off-Road Recovery ...4-15 Oil Engine ...5-18 Pressure Light ...3-70 Oil, Engine Oil Life System ...5-24 Older Children, Restraints ...1-26 Online Owner Center ...7-3 OnStar® System, see OnStar® Manual ...2-45 - 2006 Cadillac STS | Owner's Manual - Page 474
the Spare Tire ...5-86 Removing the Spare Tire and Tools ...5-85 Replacement Bulbs ...5-55 Replacement, Windshield ...5-56 Reporting Safety Defects Canadian Government ...7-13 General Motors ...7-14 United States Government ...7-13 Restraint System Check Checking the Restraint Systems ...1-63 - 2006 Cadillac STS | Owner's Manual - Page 475
45 Security Light ...3-71 Service ...5-3 Accessories and Modifications ...5-3 Adding Equipment to the Outside of Your Vehicle ...5-5 California Proposition 65 Warning ...5-3 Doing Your Own Work ...5-4 Engine Soon Light ...3-67 Publications Ordering Information ...7-14 Servicing Your Airbag-Equipped - 2006 Cadillac STS | Owner's Manual - Page 476
...4-11 Starting Your Engine ...2-25 Steering ...4-12 Steering Wheel Controls, Audio ...3-119 Steering Wheel Controls, Memory ...2-70 Steering Wheel, Heated ...3-7 Steering Wheel, Power Tilt Wheel and Telescopic Steering Column ...3-6 Storage Areas Center Console Storage Area ...2-51 Convenience - 2006 Cadillac STS | Owner's Manual - Page 477
(TCS) ...4-9 Control System Warning Light ...3-66 Limited-Slip Rear Axle ...4-11 Magnetic Ride Control ...4-11 StabiliTrak® System ...4-11 Transmission Fluid, Automatic ...5-27 Transmission Operation, Automatic ...2-28, 2-32 Trunk ...2-14 Turn and Lane-Change Signals ...3-8 Turn Signal/Multifunction - 2006 Cadillac STS | Owner's Manual - Page 478
...5-99 Windshield Replacement ...5-56 Windshield Washer ...3-15 Fluid ...5-41 Windshield Wiper Blade Replacement ...5-56 Fuses ...5-104 Rainsense™ II Wipers ...3-14 Windshield Wipers ...3-13 Winter Driving ...4-27 Wiper Activated Headlamps ...3-35 X XM™ Satellite Radio Antenna System ...3-122