2008 Buick LaCrosse Owner's Manual
2008 Buick LaCrosse Manual
2008 Buick LaCrosse manual content summary:
- 2008 Buick LaCrosse | Owner's Manual - Page 1
2008 Buick LaCrosse Owner Manual Seats and Restraint Systems ...1-1 Front Seats ...1-2 Rear Seats ...1-8 Safety Belts ...1-9 Child Restraints ...1-29 Airbag System ...1-54 Restraint System Check ...1-68 Features and Controls ...2-1 Keys ...2-3 Doors and Locks ...2-11 Windows ...2-17 Theft-Deterrent - 2008 Buick LaCrosse | Owner's Manual - Page 2
the BUICK Emblem, and the name LACROSSE are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without notice. For vehicles first sold in Canada, substitute the name "General - 2008 Buick LaCrosse | Owner's Manual - Page 3
read the owner manual from beginning to end when they first receive their new vehicle to learn about the vehicle's features and controls. Pictures and words in the manual and the page number where it can be found. Safety Warnings and Symbols There are a number of safety cautions in this book. A box - 2008 Buick LaCrosse | Owner's Manual - Page 4
covered by your vehicle's warranty, and it could be costly. The notice tells what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or information relating to a specific component, control, message, gage, or indicator. iv - 2008 Buick LaCrosse | Owner's Manual - Page 5
Airbag-Equipped Vehicle ...1-67 Restraint System Check ...1-68 Checking the Restraint Systems ...1-68 Replacing Restraint System Parts After a Crash ...1-69 Front Seats ...1-2 Power Seats ...1-2 Power Lumbar ...1-3 Heated Seats ...1-3 Reclining Seatbacks ...1-4 Head Restraints ...1-6 Center Seat - 2008 Buick LaCrosse | Owner's Manual - Page 6
are located on the outboard side of the seats. To adjust the seat, do any of the following: • Move the seat forward or rearward by sliding the control forward or rearward. • Raise or lower the front part of the seat cushion by moving the front of the control up or down. • Raise or lower the rear - 2008 Buick LaCrosse | Owner's Manual - Page 7
the rear of the control to decrease lumbar support. Keep in mind that as your seating position changes, as it may during long trips, so should the position of your lumbar support. Adjust the seat as needed. Press the button once to activate the high heat setting. Both indicator lights on the button - 2008 Buick LaCrosse | Owner's Manual - Page 8
reclining seatbacks. The lever used to operate them is located on the outboard side of the seats. {CAUTION: You can lose control of the vehicle if you try to adjust a manual driver's seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when - 2008 Buick LaCrosse | Owner's Manual - Page 9
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. upright. Then sit well back in the seat and wear your safety belt properly. Do not have a seatback reclined if your vehicle is - 2008 Buick LaCrosse | Owner's Manual - Page 10
top of the restraint is at the same height as the top of the occupant's head. This position reduces the chance of a neck injury in a crash. 1-6 - 2008 Buick LaCrosse | Owner's Manual - Page 11
Center Seat Your vehicle may have a front center seat. There are cupholders on the underside of the seat cushion. To use them, raise the seat cushion. This seat can also be converted to a storage area by lowering the armrest. See Center Console Storage on page 2-53. 1-7 - 2008 Buick LaCrosse | Owner's Manual - Page 12
all the way. Notice: Folding a rear seat with the safety belts still fastened may cause damage to the seat or the safety belts. Always unbuckle the safety seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and - 2008 Buick LaCrosse | Owner's Manual - Page 13
for Everyone This part of the manual tells you how vehicle that is not equipped with seats and safety belts. Be sure everyone in your vehicle is in a seat and using a safety belt properly crash, you might not be, if you are buckled up. Always fasten your safety belt, and check that your passenger(s) - 2008 Buick LaCrosse | Owner's Manual - Page 14
Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. Put someone on it. Take the simplest vehicle. Suppose it is just a seat on wheels. 1-10 - 2008 Buick LaCrosse | Owner's Manual - Page 15
Get it up to speed. Then stop the vehicle. The rider does not stop. The person keeps going until stopped by something. In a real vehicle, it could be the windshield... 1-11 - 2008 Buick LaCrosse | Owner's Manual - Page 16
or the instrument panel... or the safety belts! With safety belts, you slow down as the vehicle does. You get more time to stop. You stop over more distance, and your strongest bones take the forces. That is why safety belts make such good sense. 1-12 - 2008 Buick LaCrosse | Owner's Manual - Page 17
. Being a good driver does not protect you from things beyond your control, such as bad drivers. Most accidents occur within 25 miles (40 upside down. Q: If my vehicle has airbags, why should I have to wear safety belts? A: Airbags are supplemental systems only; so they work with safety belts - - 2008 Buick LaCrosse | Owner's Manual - Page 18
in front of you. The lap part of the belt should be worn low and snug on the hips, just touching the thighs. In a crash, this applies force to the strong go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The shoulder belt locks if there is - 2008 Buick LaCrosse | Owner's Manual - Page 19
with this? {CAUTION: You can be seriously hurt 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 snugly against your body. A: The shoulder belt is too loose. It will not give as much protection this way. 1-15 - 2008 Buick LaCrosse | Owner's Manual - Page 20
Q: What is wrong with this? {CAUTION: You can be seriously hurt if your lap belt is too loose. In a crash, you could slide under the lap belt and apply force on your abdomen. This could cause serious or even fatal injuries. The lap belt should - 2008 Buick LaCrosse | Owner's Manual - Page 21
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 on the pelvic bones. This could cause serious internal injuries. - 2008 Buick LaCrosse | Owner's Manual - Page 22
with this? {CAUTION: You can be seriously injured if your belt goes over an armrest like this. The belt would be much too high. In a crash, you can slide under the belt. The belt force would then be applied on the abdomen, not on the pelvic bones, and that could cause - 2008 Buick LaCrosse | Owner's Manual - Page 23
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 - 2008 Buick LaCrosse | Owner's Manual - Page 24
Q: What is wrong with this? {CAUTION: You can be seriously injured by not wearing the lap-shoulder belt properly. In a crash, you would not be restrained by the shoulder belt. Your body could move too far forward increasing the chance of head and neck injury. You might also slide under the lap belt - 2008 Buick LaCrosse | Owner's Manual - Page 25
Q: What is wrong with this? {CAUTION: You can be seriously injured by a twisted belt. In a crash, you would not have the full width of the belt to spread impact forces. If a belt is twisted, make it straight so it can work - 2008 Buick LaCrosse | Owner's Manual - Page 26
center front passenger position, if your vehicle has one, which has a lap belt. See Lap Belt on page 1-28 for more information. Here is how to wear a lap-shoulder belt properly. 1. Adjust the seat, if the seat let the belt go back all the way and start again. 3. Push the latch plate into the buckle - 2008 Buick LaCrosse | Owner's Manual - Page 27
belt height adjustment could reduce the effectiveness of the safety belt in a crash. See "Shoulder Belt Height Adjustment" later in this section. To unlatch the the stitching on the safety belt, near the guide loop on the side wall. 5. To make the lap part tight, pull up on the shoulder belt. - 2008 Buick LaCrosse | Owner's Manual - Page 28
of the belt is centered on your shoulder. The parts for your safety belt system. See Replacing Restraint System Parts After a Crash on page 1-69. Rear Safety Belt Comfort Guides Rear shoulder belt comfort guides may provide added safety belt comfort for older children who have outgrown booster seats - 2008 Buick LaCrosse | Owner's Manual - Page 29
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. 2. Place the guide over the belt and insert the two edges of the belt into the slots of the guide. 1-25 - 2008 Buick LaCrosse | Owner's Manual - Page 30
belt that is not properly worn may not provide the protection needed in a crash. The person wearing the belt could be seriously injured. 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. 3. Be sure that the - 2008 Buick LaCrosse | Owner's Manual - Page 31
guide. Pull the guide upward to expose its storage clip, and then slide the guide onto the clip. Turn the guide and clip inward and slide them in between the seatback and the interior body fetus will not be hurt in a crash. For pregnant women, as for anyone, the key to making safety belts - 2008 Buick LaCrosse | Owner's Manual - Page 32
Lap Belt This part is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt on page 1-22. You vehicle may have a center seating position. When you sit in the center front seating position, you have a lap safety belt, which has no retractor. To make the belt shorter, - 2008 Buick LaCrosse | Owner's Manual - Page 33
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. The manufacturer's instructions that come with the booster seat, state the weight and height limitations for - 2008 Buick LaCrosse | Owner's Manual - Page 34
. Also see "Rear Safety Belt Comfort Guides" under Lap-Shoulder Belt on page 1-22. According to accident statistics, children and infants are safer when properly restrained in the rear seating positions than in the front seating positions. In a crash, children who are not buckled up can strike other - 2008 Buick LaCrosse | Owner's Manual - Page 35
{CAUTION: Never do this. Here two children are wearing the same belt. The belt cannot properly spread the impact forces. In a crash, the two children can be crushed together and seriously injured. A belt must be used by only one person at a time. 1-31 - 2008 Buick LaCrosse | Owner's Manual - Page 36
{CAUTION: Never do this. Here a child is sitting in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. In a crash, the child would not be restrained by the shoulder belt. The child might slide under the lap belt. The belt force would then be applied - 2008 Buick LaCrosse | Owner's Manual - Page 37
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 - 2008 Buick LaCrosse | Owner's Manual - Page 38
hold an infant in their arms while riding in a vehicle. An infant does not weigh much - until a crash. During a crash an infant will become so heavy it is not possible to hold it. For example, in a crash at only 25 mph (40 km/h), a 12 lb (5.5 kg) infant will suddenly become a 240 lb (110 - 2008 Buick LaCrosse | Owner's Manual - Page 39
it inflates can be seriously injured or killed. Airbags plus lap-shoulder 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 - 2008 Buick LaCrosse | Owner's Manual - Page 40
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 - 2008 Buick LaCrosse | Owner's Manual - Page 41
it may settle up around the child's abdomen. In a crash, the belt would apply force on a body area that is unprotected by any bony structure. This alone seat (A) provides restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash - 2008 Buick LaCrosse | Owner's Manual - Page 42
's safety belt or LATCH system, following the instructions that came with that restraint, and also the instructions in this manual. To help reduce the chance of injury, the child restraint must be secured in the vehicle. Child restraint systems must be secured in vehicle seats by lap belts or the - 2008 Buick LaCrosse | Owner's Manual - Page 43
restraint which may be on the restraint itself or in a booklet, or both, and to this manual. The child restraint instructions are important, so if they are not available, obtain a replacement copy from the manufacturer. Keep in mind that an unsecured child restraint can move around in a collision - 2008 Buick LaCrosse | Owner's Manual - Page 44
. It is better to secure the child restraint in a rear seat. See Passenger Sensing System on page 1-62 for additional information. {CAUTION: A child in a child restraint in the center front seat can be badly injured or killed by the frontal airbags if they inflate. Never secure a child restraint in - 2008 Buick LaCrosse | Owner's Manual - Page 45
. Not all vehicle seating positions or child restraints have lower anchors and attachments or top tether anchors and attachments. Lower Anchors Lower Anchors and Tethers for Children (LATCH) The LATCH system holds a child restraint during driving or in a crash. This system is designed to make - 2008 Buick LaCrosse | Owner's Manual - Page 46
facing child restraints have a top tether, and that the tether be attached. Be sure to read and follow the instructions for your child restraint. If the child restraint does not have a top tether, one can be obtained, in and rotation of the child restraint during driving or in a crash. 1-42 - 2008 Buick LaCrosse | Owner's Manual - Page 47
top tether anchors, the top tether anchor symbol is located on the cover. j (Lower Anchor): Seating positions with two lower anchors. The top tether anchors are located under the covers on the rear seatback filler panel. Flip open the cover to access the anchors. Be sure to use an anchor located on - 2008 Buick LaCrosse | Owner's Manual - Page 48
a crash, the child could be seriously injured or killed. Make sure that a LATCH-type child restraint is properly installed using the anchors, or use the vehicle's safety belts to secure the restraint, following the instructions that came with that restraint, and also the instructions in this manual - 2008 Buick LaCrosse | Owner's Manual - Page 49
or even break during a crash. A child or others LATCH attachment parts and the vehicle's safety belt assembly may cause damage to these parts. Make instructions and the instructions in this manual. 1.1. Find the lower anchors for the desired seating position. 1.2. Put the child restraint on the seat - 2008 Buick LaCrosse | Owner's Manual - Page 50
and tighten the top tether to the top tether anchor, if equipped. Refer to the child restraint instructions and the following steps: 2.1. Find the top tether anchor. 2.2. Open the top tether anchor cover to expose the anchor. 2.3. Route, attach, and tighten the top tether according to your child - 2008 Buick LaCrosse | Owner's Manual - Page 51
Position When securing a child restraint in a rear seating position, study the instructions that came with your child restraint to make sure it is compatible with this vehicle. If your child restraint has the LATCH system, see Lower Anchors and Tethers for Children (LATCH) on page 1-41 for how to - 2008 Buick LaCrosse | Owner's Manual - Page 52
to Put the Restraint on page 1-39. 1. Put the child restraint on the seat. 2. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 3. Push the latch plate into the buckle until - 2008 Buick LaCrosse | Owner's Manual - Page 53
4. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 5. To tighten the belt, push down on the child restraint, pull the shoulder portion of the belt to tighten the lap portion of the belt, and feed the shoulder belt back into the retractor. If you are using a - 2008 Buick LaCrosse | Owner's Manual - Page 54
passenger's frontal airbag under certain conditions. See Passenger Sensing System on page 1-62 and Passenger Airbag Status Indicator on page 3-34 for more information on this, including important safety information. A label on your sun visor says, "Never put a rear-facing child seat in the front - 2008 Buick LaCrosse | Owner's Manual - Page 55
the passenger sensing system has turned off the right front passenger's frontal airbag, the off indicator on the passenger airbag status indicator should light and stay lit when you start the vehicle. See Passenger Airbag Status Indicator on page 3-34. 2. Put the child restraint on the seat. 1-51 - 2008 Buick LaCrosse | Owner's Manual - Page 56
3. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 4. Push the latch - 2008 Buick LaCrosse | Owner's Manual - Page 57
from the seat such as blankets, cushions, seat covers, seat heaters or seat massagers before airbag status indicator will come on and stay on when the vehicle is started. If the on indicator is still lit, secure the child in the child restraint in a rear seat position in the vehicle and check - 2008 Buick LaCrosse | Owner's Manual - Page 58
and the passenger seated directly behind the right front passenger. All of the airbags in your vehicle will have the word AIRBAG embossed in the trim or on an attached label near the deployment opening. For frontal airbags, the word AIRBAG will appear on the middle part of the steering wheel for the - 2008 Buick LaCrosse | Owner's Manual - Page 59
keep you in position before and during a crash. Always wear your safety belt, even with airbags. The driver should sit as far back as possible while still maintaining control of the vehicle. Occupants should not lean on or sleep against the door or side windows in seating positions with roof-rail - 2008 Buick LaCrosse | Owner's Manual - Page 60
on page 1-33. There is an airbag readiness light on the instrument panel, which shows the airbag symbol. 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 3-33 for more information. 1-56 - 2008 Buick LaCrosse | Owner's Manual - Page 61
Where Are the Airbags? The right front passenger's airbag is in the instrument panel on the passenger's side. The driver's frontal airbag is in the middle of the steering wheel. 1-57 - 2008 Buick LaCrosse | Owner's Manual - Page 62
be kept clear. Do not put 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. If your vehicle has roof-rail airbags, never secure anything to the roof of your vehicle by routing the rope or tie - 2008 Buick LaCrosse | Owner's Manual - Page 63
. Your vehicle may or may not have roof-rail airbags. See Airbag System on page 1-54. Roof-rail airbags are intended to inflate in moderate to severe side crashes. Roof-rail airbags will inflate if the crash severity is above the system's designed threshold level. The threshold level can vary with - 2008 Buick LaCrosse | Owner's Manual - Page 64
are all part of the airbag module. Frontal airbag modules are located inside the steering wheel and instrument panel. For vehicles with roof-rail airbags, there are airbag modules in the ceiling of the vehicle, near the side windows that have occupant seating positions. But airbags would not - 2008 Buick LaCrosse | Owner's Manual - Page 65
parts for the airbag system. If you do not get them, the airbag system will not be there to help protect you in another crash. A new system will include airbag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. • Your vehicle has a crash - 2008 Buick LaCrosse | Owner's Manual - Page 66
the system check. The passenger sensing system will turn off the right front passenger's frontal airbag under certain conditions. The driver's airbags are not part of the passenger sensing system. The passenger sensing system works with sensors that are part of the right front passenger's seat. The - 2008 Buick LaCrosse | Owner's Manual - Page 67
/her weight off of the seat for a period of time. • The right front passenger seat is occupied by a smaller person, such as a child who has outgrown child restraints. • Or, if there is a critical problem with the airbag system or the passenger sensing system. When the passenger sensing system has - 2008 Buick LaCrosse | Owner's Manual - Page 68
will light and stay lit to remind you that the airbag is active. For some children who have outgrown child restraints and for very small adults, the passenger sensing system may or may not turn off the right front passenger's frontal airbag, depending upon the person's seating posture and body - 2008 Buick LaCrosse | Owner's Manual - Page 69
Airbag Readiness Light on page 3-33 for more on this, including important safety information. A thick layer of additional material, such as a blanket or cushion, or aftermarket equipment such as seat covers, seat heaters, and seat massagers can affect how well the passenger sensing system operates - 2008 Buick LaCrosse | Owner's Manual - Page 70
after the seat has dried, have your dealer/retailer check the system. Servicing Your Airbag-Equipped Vehicle Airbags affect how your vehicle should be serviced. There are parts of the airbag system in several places around your vehicle. Your dealer/retailer and the service manual have information - 2008 Buick LaCrosse | Owner's Manual - Page 71
sensors that are part of the passenger's seat. The passenger sensing system may not operate properly if the original seat trim is replaced with non-GM covers, upholstery or trim, or with GM covers, upholstery or trim designed for a different vehicle. Any object, such as an aftermarket seat heater or - 2008 Buick LaCrosse | Owner's Manual - Page 72
Care of Safety Belts on page 5-102. Airbags The airbag system does not need regularly scheduled maintenance or replacement. Make sure the airbag readiness light is working. See Airbag Readiness Light on page 3-33 for more information. Notice: If an airbag covering is damaged, opened, or broken, the - 2008 Buick LaCrosse | Owner's Manual - Page 73
time of the crash. If an airbag inflates, you will need to replace airbag system parts. See the part on the airbag system earlier in this section. Have your safety belt pretensioners checked if your vehicle has been in a crash, if your airbag readiness light stays on after you start your vehicle, or - 2008 Buick LaCrosse | Owner's Manual - Page 74
✍ NOTES 1-70 - 2008 Buick LaCrosse | Owner's Manual - Page 75
and Controls Starting and Operating Your Vehicle ...2-24 New Vehicle Break-In ...2-24 Ignition Positions ...2-24 Retained Accessory Power (RAP) ...2-25 Starting the Engine ...2-26 Engine Coolant Heater ...2-27 Active Fuel Management™ ...2-28 Automatic Transmission Operation ...2-29 Parking Brake - 2008 Buick LaCrosse | Owner's Manual - Page 76
2 Features and Controls Storage Areas ...2-52 Glove Box ...2-52 Cupholder(s) ...2-52 Center Console Storage ...2-53 Convenience Net ...2-54 Sunroof ...2-54 Object Detection Systems ...2-41 Ultrasonic Rear Parking Assist (URPA) ...2-41 OnStar® System ...2-43 Universal Home Remote System ...2-47 - 2008 Buick LaCrosse | Owner's Manual - Page 77
killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function with the keys in system. The key has a transponder in the key head that matches a decoder in the vehicle's instrument panel. The key will have PK3 stamped on it. If a replacement - 2008 Buick LaCrosse | Owner's Manual - Page 78
. Take a few steps to the left or right, hold the transmitter higher, and try again. • Check to determine if battery replacement is necessary. See "Battery Replacement" later in this section. • If you are still having trouble, see your dealer/retailer or a qualified technician for service. 2-4 - 2008 Buick LaCrosse | Owner's Manual - Page 79
while the vehicle is running. There are other conditions which can affect the performance of the transmitter. See Remote Keyless Entry (RKE) System on page 2-4. / (Remote Vehicle Start): If your vehicle has this feature, press / to start the engine from outside the vehicle using the RKE transmitter - 2008 Buick LaCrosse | Owner's Manual - Page 80
Press L to activate the alarm. The headlamps will flash and the horn will sound ACCESSORY for the alarm to work. Matching Transmitter(s) to Your Vehicle Each RKE transmitter is coded to prevent another transmitter from unlocking your vehicle. If a transmitter is lost or stolen, a replacement - 2008 Buick LaCrosse | Owner's Manual - Page 81
Battery Replacement Replace the battery if the KEY FOB BATT LOW message displays in the DIC. See "KEY FOB BATTERY LOW" under DIC Warnings and Messages on page 3-58 for additional information. Notice: When replacing the battery, use care not to touch any of the circuitry. Static from your body - 2008 Buick LaCrosse | Owner's Manual - Page 82
feature that allows you to start the engine from outside the vehicle. It may also start the vehicle's heating or air conditioning systems and rear window defogger. When the remote start system is active and the vehicle has an automatic climate control system, it will automatically regulate the - 2008 Buick LaCrosse | Owner's Manual - Page 83
lamps turn off to indicate the engine is off. The remote start system is disabled through the DIC. The vehicle's key is in the ignition. A door on the vehicle is open. The vehicle's hood is open. The hazard warning flashers are on. The check engine light is on. See Malfunction Indicator Lamp - 2008 Buick LaCrosse | Owner's Manual - Page 84
ignition cycle. If a remote start is attempted and is unsuccessful, the Driver Information Center (DIC) will display REMOTE START DISABLED. Vehicles that have the remote start feature are shipped from the factory with the remote vehicle start system enabled. The system may be enabled or disabled - 2008 Buick LaCrosse | Owner's Manual - Page 85
can also use the remote keyless entry transmitter. From the inside use the manual or power door locks. {CAUTION: Unlocked doors can be dangerous. • it. You increase the chance of being thrown out of the vehicle in a crash if the doors are not locked. So, wear safety belts properly and lock the - 2008 Buick LaCrosse | Owner's Manual - Page 86
system, the vehicle is programmed to arm the system with the power door lock switch. If your vehicle has a Driver Information Center or unlock one door using the inside manual door lock. The automatic door lock ACCESSORY. You can program this feature on or off through the Driver Information Center - 2008 Buick LaCrosse | Owner's Manual - Page 87
the vehicle has one, the power door lock switch, or by lifting the rear door manual lock. 2. Open the door from the outside. To cancel the rear door security lock, vehicle. If the key is not left in the ignition, or, if the manual door lock is used, the key could still be locked inside the vehicle. - 2008 Buick LaCrosse | Owner's Manual - Page 88
the seal between the body and the trunk lid: • Make sure all other windows are shut. • Turn the fan on your heating or cooling system to its highest speed and select the control setting that will force outside air into your vehicle. See Climate Control System. • If you have air outlets on or under - 2008 Buick LaCrosse | Owner's Manual - Page 89
is a glow-in-the-dark emergency trunk release handle located on the trunk latch of the trunk lid. This handle will glow following exposure to light. If ever needed, pull the emergency trunk release handle to open the trunk from the inside. 2-15 - 2008 Buick LaCrosse | Owner's Manual - Page 90
Trunk Lid Pull Down Handle and Tie-Down Features Your vehicle has a trunk lid pull down handle (A) located on the inside of the trunk lid on the driver's side of the vehicle. Use the handle to pull down the trunk lid when closing it. On vehicles with a tie-down feature (B), it is located inside the - 2008 Buick LaCrosse | Owner's Manual - Page 91
{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 - 2008 Buick LaCrosse | Owner's Manual - Page 92
a vehicle with children. When there are children in the rear seat use the window lockout button to prevent unintentional operation of the windows. The switches on the driver's door armrest are used to control each of the windows. The power window switches work while the ignition is in ON/RUN, ACC - 2008 Buick LaCrosse | Owner's Manual - Page 93
, swing down the sun visors. They can be detached from the center retainer and slid along the rod to cover different areas of the front window and turned to cover the side windows. Visor Vanity Mirror Swing down the sun visors and lift the cover to expose the vanity mirror. Do not drive with the - 2008 Buick LaCrosse | Owner's Manual - Page 94
a content theft-deterrent alarm system. Your vehicle may have a red light located on top of the instrument panel, toward the center of the vehicle and near the doors. The horn will sound and the headlamps will flash for up to two minutes. The system will also cut off the fuel supply, preventing the - 2008 Buick LaCrosse | Owner's Manual - Page 95
locked, and after a time delay, the red light, if your vehicle has one, will begin flashing at a very slow rate to show the system is armed. Arming Confirmation Your vehicle may have a red light located on top of the instrument panel, towards the center of the vehicle and near the windshield, that - 2008 Buick LaCrosse | Owner's Manual - Page 96
because of the high number of electrical key codes. When trying to start the vehicle, if the engine does not start and the STARTING DISABLED warning message on the Driver Information Center (DIC) comes on, there may be a problem with your theft-deterrent system. Turn the ignition off and try again - 2008 Buick LaCrosse | Owner's Manual - Page 97
, try another ignition key. At this time, you may also want to check the fuse. See Fuses and Circuit Breakers on page 5-109. If the engine still does not start with the other key, the vehicle needs service. If the vehicle does start, the first key may be faulty. See your dealer/retailer who can - 2008 Buick LaCrosse | Owner's Manual - Page 98
-throttle starts. Avoid downshifting to brake or replacement. Follow this breaking-in guideline every time you get new brake linings. In order to shift out of PARK (P), the ignition must be in ON/RUN and the regular brake vehicle needs service. A engine speed and load can be gradually increased. 2-24 - 2008 Buick LaCrosse | Owner's Manual - Page 99
key in the ACC/ACCESSORY or ON/RUN position with the engine off. You may not be able to start your vehicle if the battery is allowed to drain for an extended period of time. D (START): This position starts the engine. A warning chime will sound and the Driver Information Center (DIC) will display - 2008 Buick LaCrosse | Owner's Manual - Page 100
gets warm. Do not race the engine immediately after starting it. Operate the engine and transmission gently to allow the oil to warm up and lubricate all moving parts. Your vehicle has a Computer-Controlled Cranking System. This feature assists in starting the engine and protects components. If the - 2008 Buick LaCrosse | Owner's Manual - Page 101
add electrical parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer/retailer. If you do not, your engine might not perform properly. Any resulting damage would not be covered by your vehicle's warranty. Engine Coolant Heater - 2008 Buick LaCrosse | Owner's Manual - Page 102
air cleaner/filter assembly. 3. Plug it into a normal, grounded 110-volt AC outlet. 4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from moving engine parts. If you do not, it could be damaged. How long should you keep the coolant heater plugged - 2008 Buick LaCrosse | Owner's Manual - Page 103
Automatic Transmission Operation Your vehicle's automatic transmission may have a shift lever on the steering column or on the console between the seats. There is also a display located on the instrument panel cluster that indicates the vehicle's gear position. Console Shift Lever 2-29 - 2008 Buick LaCrosse | Owner's Manual - Page 104
's front wheels. It is the best position to use when the engine is started because the vehicle cannot move easily. Make sure the shift lever is fully in PARK (P) before starting the engine. The vehicle has an electronic shift lock release system. You must fully apply the regular brakes before - 2008 Buick LaCrosse | Owner's Manual - Page 105
/h) or more, push the accelerator pedal all the way down. By doing this the vehicle will automatically shift down to the next gear and have more power. Downshifting the transmission in slippery road conditions could result in skidding, see Skidding under Loss of Control on page 4-12. THIRD (3): This - 2008 Buick LaCrosse | Owner's Manual - Page 106
using only the accelerator pedal may damage the transmission. The repair will not be covered by your warranty. BRAKE ON will display in the DIC if the parking brake is set, the ignition is on, and the vehicle speed is greater than 5 mph (8km/h). For more information see Brake System Warning Light - 2008 Buick LaCrosse | Owner's Manual - Page 107
brake on can overheat the brake system and cause premature wear or damage to brake system parts. Make sure that the parking brake is fully released and the brake warning light PARK (P) with the parking brake firmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move - 2008 Buick LaCrosse | Owner's Manual - Page 108
{CAUTION: It can be dangerous to leave your vehicle with the engine running. Your vehicle could move suddenly if the shift lever is not fully in PARK (P) with the parking brake firmly set. And, if you leave the vehicle with the engine running, it could overheat and even catch fire. You or others - 2008 Buick LaCrosse | Owner's Manual - Page 109
RUN and the regular brake pedal is applied. The shift lock is always functional except in the case of a an uncharged or low voltage (less than 9 volt) battery. If your vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting on page - 2008 Buick LaCrosse | Owner's Manual - Page 110
be moved out of PARK (P) 1. Apply and maintain the regular brakes. 2. Turn the ignition to ON/RUN position. See Ignition Positions /retailer or a professional towing service. Parking Over Things That Burn {CAUTION: Things that can burn could touch hot exhaust parts under your vehicle and ignite. - 2008 Buick LaCrosse | Owner's Manual - Page 111
it only with all the windows down to blow out any CO; and • Have your vehicle fixed immediately. It is better not to park with the engine running. But if you ever have to, here are some things to know. {CAUTION: Idling the engine with the climate control system off could allow dangerous exhaust - 2008 Buick LaCrosse | Owner's Manual - Page 112
your vehicle. Hold the mirror in the center to move it up and down and side to side. The mirror has a day/night control located at the bottom. Turn the control to the right for the night position to reduce glare from other vehicles' headlamps. Turn the control to the front for the day position - 2008 Buick LaCrosse | Owner's Manual - Page 113
System. The automatic dimming feature is turned on or off by pressing the left button, located on the lower part system and how to subscribe to OnStar®. See OnStar® System on page 2-43 for more information about the services headlamps from behind. Press the AUTO button located in the lower center of - 2008 Buick LaCrosse | Owner's Manual - Page 114
right lane, you could hit a vehicle on your right. Check your inside mirror or glance over your shoulder before changing lanes. The passenger side mirror is convex. A convex mirror's surface is curved so more can be seen from the driver seat. It also makes things, like other vehicles, look farther - 2008 Buick LaCrosse | Owner's Manual - Page 115
or if they are too close or far from the vehicle • children, pedestrians, bicyclists, or pets. CAUTION: (Continued) The display is located above the rear window and can be seen by looking over your right shoulder. URPA uses three color-coded lights to provide distance and system information. 2-41 - 2008 Buick LaCrosse | Owner's Manual - Page 116
Metric 1.5 m 1.0 m 0.5 m 0.3 m When the System Does Not Seem to Work Properly • The ultrasonic sensors are not clean, a red URPA display light may illuminate when the vehicle is in REVERSE (R). Keep your rear bumper free of mud, dirt, snow, ice and slush. For cleaning instructions, see Washing Your - 2008 Buick LaCrosse | Owner's Manual - Page 117
bumper is damaged. Take the vehicle to your dealer/retailer to repair the system. • Other conditions may affect system performance, such as vibrations from a jackhammer or the compression of air brakes on a very large truck. If the system convenience services. If your airbags deploy, the system is - 2008 Buick LaCrosse | Owner's Manual - Page 118
a day, 7 days a week. Not all OnStar features are available on all vehicles. To check if your vehicle is equipped to provide the services described below, or for a full description of OnStar services and system limitations, see the OnStar Owner's Guide in your glove box or visit onstar.com. OnStar - 2008 Buick LaCrosse | Owner's Manual - Page 119
Available Services with Safe & Sound Plan • Automatic Notification of Airbag Deployment • Advanced Automatic Crash Notification Verizon Wireless service plan in the U.S. or a Bell Mobility service plan in Canada, depending on eligibility. To find out more, refer to the OnStar Owner's Guide in the - 2008 Buick LaCrosse | Owner's Manual - Page 120
are unobstructed and available. Your vehicle must have a working electrical system (including adequate battery power) for the OnStar equipment to operate. There are other problems OnStar cannot control that may prevent OnStar from providing OnStar service to you at any particular time or place. Some - 2008 Buick LaCrosse | Owner's Manual - Page 121
The Canadian Registration ID number is 2791021849A. Changes or modifications to this system by other than an authorized service facility could void authorization to use this equipment. Universal Home Remote System The Universal Home Remote System provides a way to replace up to three hand-held radio - 2008 Buick LaCrosse | Owner's Manual - Page 122
Light Emitting Diode (LED) indicator light above the Universal Home Remote buttons, follow the instructions below. This system provides a way to replace up to three remote control . It is recommended that a new battery be installed in your hand-held transmitter for quicker and more accurate transmission - 2008 Buick LaCrosse | Owner's Manual - Page 123
help programming the Universal Home Remote System, call 1-800-355-3515 or ACCESSORY or ON/RUN and until 10 minutes after the ignition is turned off. 2. From inside the vehicle, press and hold down the two outside buttons at the same time, releasing only when the Universal Home Remote indicator light - 2008 Buick LaCrosse | Owner's Manual - Page 124
button that you would like to use to control the garage door and the hand-held " later in this section. 5. The indicator light on the Universal Home Remote will flash slowly ). Locate the "Learn" or "Smart" button. The name and color of the button may vary by manufacturer. 8. Firmly press and release - 2008 Buick LaCrosse | Owner's Manual - Page 125
chosen in Step 3 to control the garage door, for two of "Programming the Universal Home Remote System." Do not repeat Step 1, as of where you live, replace Step 3 under "Programming light will come on while the signal is being transmitted. Operation can only occur with the vehicle in ACC/ACCESSORY - 2008 Buick LaCrosse | Owner's Manual - Page 126
instructions earlier in this section, beginning with Step 2. For help or information on the Universal Home Remote System, light begins to flash, after 20 seconds. 2. Release both buttons. Cupholder(s) If your vehicle is the five-passenger model, there is a cupholder in front of the center - 2008 Buick LaCrosse | Owner's Manual - Page 127
that allows you to choose between a three-passenger front row bench seat or a center console. For more information see Center Seat on page 1-7. In the upward position the armrest acts as a back support for the front row bench seat. Flip the center armrest down and it can be used as an armrest for - 2008 Buick LaCrosse | Owner's Manual - Page 128
control works only when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power control again. To close the sunroof, press and hold the front of the control. To stop the sunroof, release the control. The sunshade must be closed manually - 2008 Buick LaCrosse | Owner's Manual - Page 129
32 Airbag Readiness Light ...3-33 Passenger Airbag Status Indicator ...3-34 Charging System Light ...3-36 Brake System Warning Light ...3-37 Antilock Brake System Warning Light ...3-38 Traction Control System (TCS) Warning Light ...3-38 Enhanced Traction System Warning Light ...3-39 Engine Coolant - 2008 Buick LaCrosse | Owner's Manual - Page 130
Pressure Light ...3-45 Change Engine Oil Light ...3-45 Security Light ...3-45 Cruise Control Light ...3-46 Reduced Engine Power Light ...3-46 Highbeam On Light ...3-46 Headlamps Suggested Light ...3-47 Low Washer Fluid Warning Light ...3-47 Door Ajar Light ...3-47 Trunk Ajar Light ...3-47 Service - 2008 Buick LaCrosse | Owner's Manual - Page 131
✍ NOTES 3-3 - 2008 Buick LaCrosse | Owner's Manual - Page 132
Instrument Panel Overview 3-4 - 2008 Buick LaCrosse | Owner's Manual - Page 133
See Passenger Airbag Status Indicator on page 3-34. I. Audio System Controls. See Audio System(s) on page 3-84. J. Hood Release. See Hood Release on page 5-11. K. Parking Brake. See Parking Brake on page 2-32. L. Tilt Lever (If Equipped) and Telescoping Column Lever (If Equipped). See Tilt Wheel on - 2008 Buick LaCrosse | Owner's Manual - Page 134
you have a problem. The front and rear turn signal lamps will flash on and off. The hazard warning flasher button is on the instrument panel. Horn Press near or on the horn symbols on the steering wheel pad to sound the horn. Tilt Wheel If the vehicle has a tilt wheel the steering wheel can be - 2008 Buick LaCrosse | Owner's Manual - Page 135
lever up to lock the wheel in place. Do not drive the vehicle unless the telescoping column is locked. The lever on the left side of the steering column includes the following: • G Turn and Lane Change Signals. See Turn and Lane-Change Signals on page 3-8. • 2 Headlamp High/Low-Beam Changer. See - 2008 Buick LaCrosse | Owner's Manual - Page 136
change the headlamps from low beam to high beam, push the turn signal/multifunction lever away from you. This light comes on in the instrument panel cluster if the high beam lamps are turned on while the ignition is in ON/RUN. To signal a lane change, raise or lower the lever until the arrow starts - 2008 Buick LaCrosse | Owner's Manual - Page 137
information, see Windshield Wiper Blade Replacement on page 5-62. Heavy with the wiper symbol to control the windshield wipers. 6 ( . The wipers will clear the window and then either stop or return Hold it there until the wipers start. Then let go. The wipers light rain or snow. 6 (Delay): 3-9 - 2008 Buick LaCrosse | Owner's Manual - Page 138
off. See Traction Control System (TCS) on page 4-6. When road conditions allow you to safely use it again, the cruise control can be turned back on. 3-10 T (On/Off): Press this button to turn cruise control on and off. The indicator is lit when cruise control is on. + RES (Resume/Accelerate): Press - 2008 Buick LaCrosse | Owner's Manual - Page 139
fluid level is low. The cruise control light on the instrument panel cluster comes on after the cruise control has been set to the desired speed. See Instrument Panel Cluster on page 3-31. Resuming a Set Speed If cruise control is set at a desired speed and the brakes are applied, this shuts off the - 2008 Buick LaCrosse | Owner's Manual - Page 140
Vehicle While Using Cruise Control Use the accelerator pedal to increase vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the cruise speed you set earlier. • Step lightly on the brake pedal. • Press the [ button on the steering wheel. • Press the T button on - 2008 Buick LaCrosse | Owner's Manual - Page 141
this position again to turn automatic light control on again. AUTO (Automatic): Turn the control to this position to automatically turn on the headlamps at normal brightness, together with the following: It controls the following systems: Parking Lamps Taillamps License Plate Lamps Instrument - 2008 Buick LaCrosse | Owner's Manual - Page 142
makes the DRL work, so be sure it is not covered. The DRL system will make the low-beam headlamps come on at reduced brightness when the following conditions are met: Parking Lamps Taillamps License Plate Lamps Instrument Panel Lights - (Foglamps) (If Equipped): Push the fog lamps button to - 2008 Buick LaCrosse | Owner's Manual - Page 143
system should be turned on when needed. Exterior Lighting Battery Saver If the parking lamps or headlamps have been left on after the ignition has been turned to off, the exterior lamps will turn off after about 10 minutes. This protects the battery from being drained. Use the exterior lamp control - 2008 Buick LaCrosse | Owner's Manual - Page 144
control and to the left of the steering wheel on the instrument panel. Instrument Panel Brightness The instrument panel lights can be brightened or dimmed by pressing the center knob of the interior lamp controls START. They will come on again when a door is opened. 1 (Door): Turn the control to - 2008 Buick LaCrosse | Owner's Manual - Page 145
ignition must be off and the interior lamp control must be in the door position for delayed exit lighting to work. When the ignition key is removed will remain on can be programmed using the Driver Information Center (DIC). See "EXIT LIGHT DELAY" under DIC Vehicle Personalization on page 3-76 for - 2008 Buick LaCrosse | Owner's Manual - Page 146
the following loads are on: headlamps, high beams, fog lamps, rear window defogger, climate control fan at high speed, heated seats, engine cooling fans, trailer loads, and loads plugged into accessory power outlets. EPM works to prevent excessive discharge of the battery. It does this by balancing - 2008 Buick LaCrosse | Owner's Manual - Page 147
not covered by your warranty. Do not hang any type of accessory or accessory bracket from the plug because the power outlets are designed for accessory power plugs only. Notice: Leaving electrical equipment plugged in for an extended period of time while the vehicle is off will drain the battery - 2008 Buick LaCrosse | Owner's Manual - Page 148
temperature is below 37°F (3°C). If the temperature is between 37°F (3°C) and 90°F (32°C), the last control setting selected when the engine was running will be used. Normal operation and the last setting of the climate control system will return after the key is turned to the ON/RUN position. 3-20 - 2008 Buick LaCrosse | Owner's Manual - Page 149
air to the floor outlets with some air directed toward the side window outlets and a little air directed to the windshield. In this mode, the system will automatically use outside air. The air conditioning is complete. Temperature Control: Turn the center knob clockwise or counterclockwise to increase - 2008 Buick LaCrosse | Owner's Manual - Page 150
indicator light will change with each button press even when conditions prevent operation. On hot days during the vehicle's initial start-up, open the windows to let hot inside air escape; then close them. This helps to reduce the time it takes for the vehicle to cool down. It also helps the system - 2008 Buick LaCrosse | Owner's Manual - Page 151
on the indicator light while in defog mode. (Defrost): This mode directs most of the air to the windshield and the side window outlets, with some air directed to the floor outlets. When you select this mode, the system turns recirculation off and runs the air conditioning compressor unless the - 2008 Buick LaCrosse | Owner's Manual - Page 152
not cover the solar sensor located in the center of the instrument panel, near the windshield. For more information on the solar sensor, see "Sensors" later in this section. Automatic Operation AUTO (Automatic): Press the AUTO button for automatic control of the inside temperature, the air delivery - 2008 Buick LaCrosse | Owner's Manual - Page 153
Passenger Compartment Air Filter on page 3-29 and Scheduled Maintenance on page 6-4. • Manual can set/change the temperature, mode and fan. The fan speed, temperature, and mode will appear on the display. If your vehicle has the remote start feature, the climate control system will automatically - 2008 Buick LaCrosse | Owner's Manual - Page 154
places the system in manual or semi-automatic mode. Press the AUTO button to return to automatic operation. If the airflow seems low when the fan is at the highest setting, the passenger compartment air filter may need to be replaced. For more information see Passenger Compartment Air Filter on page - 2008 Buick LaCrosse | Owner's Manual - Page 155
light while in defrost mode. Do not drive the vehicle until all windows are clear. - (Floor/Defog): Press this button to direct the air between the windshield, floor outlets and side windows. When you select this mode, the system turns recirculation off and runs the air conditioning compressor - 2008 Buick LaCrosse | Owner's Manual - Page 156
to remove fog or frost from the rear window. The rear window defogger will only work when the engine is running. Outlet Adjustment Use the thumbwheels located between the center outlets to open and close the outlets. Move the lever in the center of each air outlet to adjust the direction of the - 2008 Buick LaCrosse | Owner's Manual - Page 157
Compartment Air Filter The passenger compartment air filter is located in the engine compartment below the air inlet grille, near the passenger's side windshield wiper arm. See Engine Compartment Overview on page 5-12. The filter traps most of the pollen from the air entering the air conditioning - 2008 Buick LaCrosse | Owner's Manual - Page 158
it. Please follow this manual's advice. Waiting to do repairs can be costly - and even dangerous. So please get to know the warning lights and gages. They are a big help. 9. Remove the old air filter. 10. Install a new passenger compartment air filter. See Maintenance Replacement Parts on page 6-13 - 2008 Buick LaCrosse | Owner's Manual - Page 159
Instrument Panel Cluster The instrument panel cluster is designed to let the driver know at a glance how the vehicle is running. It will show how fast the vehicle is going, about how much fuel is in the fuel tank and many other things needed to drive safely and economically. Base level shown, - 2008 Buick LaCrosse | Owner's Manual - Page 160
Your vehicle's odometer works together with the driver information center. You can set a Trip A and Trip B page 3-50. The odometer mileage can be checked without the vehicle running. Simply press the odometer Belt Reminders Safety Belt Reminder Light When the engine is started, a chime will come on - 2008 Buick LaCrosse | Owner's Manual - Page 161
is an electrical problem. The system check includes the airbag sensor, the pretensioners, the airbag modules, the wiring and the crash sensing and diagnostic module. For more information on the airbag system, see Airbag System on page 1-54. This light will come on when you start your vehicle, and - 2008 Buick LaCrosse | Owner's Manual - Page 162
the airbag readiness light stays on after you start your vehicle. The airbag readiness light should flash for a few seconds when you start the engine. If the light does not come on then, have it fixed immediately. If there is a problem with the airbag system, an airbag Driver Information Center (DIC - 2008 Buick LaCrosse | Owner's Manual - Page 163
indicator comes on when you have a rear-facing child restraint installed in the right front passenger's seat, it means that the passenger sensing system has not turned off the passenger's frontal airbag. A child in a rear-facing child restraint can be seriously injured or killed if the right front - 2008 Buick LaCrosse | Owner's Manual - Page 164
on, or if there are no lights at all, there may be a problem with the lights or the passenger sensing system. See your dealer/retailer for service. Charging System Light This light will come on briefly when you turn on the ignition key, but the engine is not running, as a check to show you it is - 2008 Buick LaCrosse | Owner's Manual - Page 165
hydraulic brake system is divided into two parts. If one part is not 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 and the parking brake is not applied, there is a brake problem. Have your brake system - 2008 Buick LaCrosse | Owner's Manual - Page 166
Antilock Brake System Warning Light For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started. For vehicles with a Driver Information Center (DIC), see DIC Warnings and Messages on page 3-58 for all brake related DIC messages. Traction Control System - 2008 Buick LaCrosse | Owner's Manual - Page 167
come on briefly when the engine is started. If it does not come on then, have it fixed so it will be ready to warn you if there is a problem. This light will also come on when the traction control button is pressed disabling the system. If the TCS warning light stays on or comes on while you - 2008 Buick LaCrosse | Owner's Manual - Page 168
30. Your vehicle could be damaged, and it might not be covered by your warranty. Never drive with the engine coolant temperature warning light on. This light will also come on briefly when starting your vehicle. If it does not, have your vehicle serviced. If the gage pointer moves towards the H, the - 2008 Buick LaCrosse | Owner's Manual - Page 169
in the Driver Information Center (DIC), may accompany the light. See DIC Warnings and Messages on page 3-58 for more information. Stop and check your tires as soon as Tire Pressure Monitor System on page 5-71 for more information. This light comes on briefly when the engine is started and provides - 2008 Buick LaCrosse | Owner's Manual - Page 170
of the fuel, ignition, and emission control systems. It makes sure 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 an OBD II problem and service is required. Notice: If you keep - 2008 Buick LaCrosse | Owner's Manual - Page 171
on during a malfunction in one of two ways: • Light Flashing - A misfire condition has been detected. A misfire increases vehicle emissions and could damage the emission control system on your vehicle. Diagnosis and service might be required. If the light continues to flash, when it is safe to do so - 2008 Buick LaCrosse | Owner's Manual - Page 172
into gear, misfiring, hesitation on acceleration, or stumbling on acceleration - these conditions might go away once the engine is warmed up. This will be detected by the system and cause the light to turn on. If you experience one or more of these conditions, change the fuel brand you use. It will - 2008 Buick LaCrosse | Owner's Manual - Page 173
your vehicle serviced. Notice: Lack of proper engine oil maintenance may damage the engine. The repairs would not be covered by your warranty. Always follow the maintenance schedule in this manual for changing engine oil. This light will come on briefly when you start your engine as a check to be - 2008 Buick LaCrosse | Owner's Manual - Page 174
soon as possible for service. The light goes out when the cruise control is turned off. See Cruise Control on page 3-10 for more information. Highbeam On Light This light comes on when the high-beam headlamps are in use. Reduced Engine Power Light If the reduced engine power light is on, a chime - 2008 Buick LaCrosse | Owner's Manual - Page 175
will sound indicating your windshield washer fluid is low. You will hear a chime if a door is unlatched after the engine is started and the vehicle is not in PARK (P). Trunk Ajar Light This light will come on and a chime will sound if the trunk is ajar and the vehicle is not in PARK (P). See - 2008 Buick LaCrosse | Owner's Manual - Page 176
light comes on, see your dealer/retailer for service as soon as possible. • The gage pointer may move while cornering, braking or accelerating when the ignition is turned on as a check to indicate it is working. If it does Driver Information Center (DIC), a LOW FUEL message will appear. See - 2008 Buick LaCrosse | Owner's Manual - Page 177
Check Gas Cap Light If your vehicle has this light, it will come on if your gas cap is not securely fastened. The base level DIC displays the odometer and trip odometers only. The uplevel DIC displays the odometer, trip odometers, fuel economy, trip computer, vehicle system, and compass display - 2008 Buick LaCrosse | Owner's Manual - Page 178
DIC Operation and Displays The DIC has different modes which can be accessed by pressing the DIC buttons located on the center of the instrument panel. Depending on whether your vehicle has the base level or uplevel DIC, the buttons and modes available will differ. The base - 2008 Buick LaCrosse | Owner's Manual - Page 179
2 (Gages)*: Press this button to display the battery voltage, oil life, and tire pressure readings. r (Set while the desired trip odometer is displayed. t (Traction Control): Press this button to turn traction control on or off. See Traction Control System (TCS) on page 4-6 for more information. - 2008 Buick LaCrosse | Owner's Manual - Page 180
timing feature. Press the set/reset button again to stop it. If you will be starting and stopping your vehicle, during a trip for instance, the TIME ELAPSED feature will automatically start timing where it left off when you last stopped. To reset it, press and hold the set/reset button for about - 2008 Buick LaCrosse | Owner's Manual - Page 181
traveled, fuel used, fuel capacity, etc. This estimate will change if driving conditions change. For example, if driving in traffic and making frequent stops on the DIC. This is normal. If there is a problem with the battery charging system, a DIC message will display. See DIC Warnings and Messages - 2008 Buick LaCrosse | Owner's Manual - Page 182
see OIL LIFE 99% on the display, that means 99% of the current oil life remains. The engine oil life system will alert you to change your oil on a schedule consistent with your driving conditions. When the remaining oil life is low, the CHANGE OIL SOON message will appear on the display. You should - 2008 Buick LaCrosse | Owner's Manual - Page 183
which the DIC messages will appear. Once in this mode, press the set/reset button to select among the following choices: Compass Zone To change the compass zone through the DIC, see DIC Compass (Uplevel Only) on page 3-56. • English • Francais (French) • Espanol (Spanish) Compass Calibration The - 2008 Buick LaCrosse | Owner's Manual - Page 184
DIC Compass (Uplevel Only) Your vehicle may have a compass in the Driver Information Center (DIC). Compass Variance (Zone) Procedure 1. Do not set the compass zone when the vehicle is moving. Only set it when the vehicle is in PARK (P). - 2008 Buick LaCrosse | Owner's Manual - Page 185
window, sunroof, climate controls, seats , etc. during the calibration procedure. 2. Press the option button until COMPASS CALIBRATION displays. 3. Press the set/reset button to start manually manhole covers, or heading does not change after making turns, magnetic emergency light, magnetic - 2008 Buick LaCrosse | Owner's Manual - Page 186
Coolant Temperature Gage on page 3-40. 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 turns back on. You can continue to drive your vehicle. This message comes on - 2008 Buick LaCrosse | Owner's Manual - Page 187
. If the condition still exists, the message re-appears when the engine is turned on. CHARGING SYSTEM FAILURE This message displays when there is a problem with the generator and battery charging systems. Driving with this problem could drain the battery. Turn off all unnecessary accessories. Stop - 2008 Buick LaCrosse | Owner's Manual - Page 188
condition still exists, the message re-appears when the engine is turned on. CHECK GAS CAP This message may display if the fuel cap is not on, or is not fully tightened. The check gas cap light also appears on the instrument panel cluster. See Check Gas Cap Light on page 3-49. Check the fuel cap - 2008 Buick LaCrosse | Owner's Manual - Page 189
. It also re-displays for two seconds if the message has been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. DELAYED LOCKING This message displays to inform the driver that even though - 2008 Buick LaCrosse | Owner's Manual - Page 190
been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. This message displays when the engine coolant temperature is too hot. The engine coolant temperature warning light also appears on the - 2008 Buick LaCrosse | Owner's Manual - Page 191
seconds if the message has been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. HOOD AJAR If your vehicle has the remote start feature, this message displays when the hood is not closed - 2008 Buick LaCrosse | Owner's Manual - Page 192
replaced. To replace the battery, see "Battery Replacement" under Remote Keyless Entry (RKE) System condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine open and the key is in ACC/ACCESSORY or LOCK/OFF. This message cannot be acknowledged - 2008 Buick LaCrosse | Owner's Manual - Page 193
has been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. LOW BRAKE FLUID This message displays when the brake fluid level is low. Have the brake system serviced by your dealer/retailer as - 2008 Buick LaCrosse | Owner's Manual - Page 194
oil pressure is low. The oil pressure light also appears on the instrument panel cluster. See Oil Pressure Light on page 3-45. Stop the vehicle immediately, as engine damage can result from driving a vehicle with low oil pressure. Have the vehicle serviced by your dealer/retailer as soon as possible - 2008 Buick LaCrosse | Owner's Manual - Page 195
km/h). Release the parking brake before driving. See Parking Brake on page 2-32 for more information. The brake system warning light also appears on the but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned - 2008 Buick LaCrosse | Owner's Manual - Page 196
acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should - 2008 Buick LaCrosse | Owner's Manual - Page 197
off. If the condition still exists, the message re-appears when the engine is turned on. • The remote start system is disabled through the DIC. The key is in the ignition. The hood or the doors are not closed. There is an emission control system malfunction. The engine coolant temperature is - 2008 Buick LaCrosse | Owner's Manual - Page 198
If the condition still exists, the message re-appears when the engine is turned on. SERVICE BRAKE SYSTEM This message displays when a problem with the brake system has been detected. Have your vehicle serviced by your dealer/retailer as soon as possible. The brake system warning light also appears - 2008 Buick LaCrosse | Owner's Manual - Page 199
condition still exists, the message re-appears when the engine is turned on. SERVICE STABILITY SYSTEM If your vehicle has StabiliTrak®, this message displays if there has been a problem detected with StabiliTrak®. A warning light also appears on the instrument panel cluster. See Traction Control - 2008 Buick LaCrosse | Owner's Manual - Page 200
the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. SERVICE TIRE MONITOR SYSTEM This message displays if a part on the Tire Pressure Monitor System (TPMS) is not working properly. The tire pressure light also - 2008 Buick LaCrosse | Owner's Manual - Page 201
SERVICE TRACTION SYSTEM This message displays when the traction system is not functioning properly. A warning light also appears on the instrument panel cluster. See Traction Control System (TCS) Warning Light on page 3-38. See Traction Control System (TCS) on page 4-6 or Enhanced Traction System ( - 2008 Buick LaCrosse | Owner's Manual - Page 202
. Slippery road conditions may exist when this message is displayed, so adjust your driving accordingly. See StabiliTrak® System on page 4-8. • The system is turned off by pressing and holding the traction control button for five seconds. See StabiliTrak® System on page 4-8. • The battery is low - 2008 Buick LaCrosse | Owner's Manual - Page 203
The system is turned off by pressing the traction control button located on the center of the instrument panel. See Traction Control System (TCS) on page 4-6 or Enhanced Traction System (ETS) on page 4-7. • The battery is low. • There is a system failure. See your dealer/retailer for service. 3-75 - 2008 Buick LaCrosse | Owner's Manual - Page 204
condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine lighting delay Interior lighting delay Delayed locking Content theft Remote keyless entry feedback Remote start is manually turned Auto door unlock preferences • Remote - 2008 Buick LaCrosse | Owner's Manual - Page 205
an instruction screen. Press the option button to display the features that are available to program. Press the set/reset button to change the place the vehicle in PARK (P). To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the option button until - 2008 Buick LaCrosse | Owner's Manual - Page 206
the key is removed from the ignition or the vehicle is unlocked using the Remote Keyless Entry (RKE) transmitter. Press the option button until EXT LIGHT DELAY appears on the DIC display. Press the set/reset button to scroll through the following settings: OFF: The exterior lamps will not turn on - 2008 Buick LaCrosse | Owner's Manual - Page 207
DELAYED LOCKING This feature allows the locking of the vehicle to be delayed until all of the doors have been closed for about five seconds. When the delayed locking feature is enabled, it may be activated when the key is out of the ignition by doing one of the following: If a door remains open, - 2008 Buick LaCrosse | Owner's Manual - Page 208
system will be turned off. ON (default): The content theft-deterrent system will be turned on. When ON is selected, the content theft-deterrent system when locking the vehicle. LIGHTS: The exterior lamps will flash when you press the lock button on the RKE transmitter. LIGHTS and HORN (default): The - 2008 Buick LaCrosse | Owner's Manual - Page 209
If your vehicle has remote start, this feature allows the remote start to be turned off or on. The remote start feature allows you to start the engine from outside of the vehicle using the Remote Keyless Entry (RKE) transmitter. See Remote Vehicle Start on page 2-8 for more information. Press the - 2008 Buick LaCrosse | Owner's Manual - Page 210
event that the previously programmed key needs to be replaced. 1: The key will be programmed to be recognized ): The key will not be programmed. AUTO DOOR UNLOCK This feature allows automatic door notice a change to the radio after this message displays. After this message displays, any change to - 2008 Buick LaCrosse | Owner's Manual - Page 211
when the vehicle's doors will unlock. Press the option button until AUTO UNLOCK ON appears on the DIC display. Press the set/reset the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation on page 2-5 for more information. Exiting the Personal Program Menu The - 2008 Buick LaCrosse | Owner's Manual - Page 212
with its operation. • Set up your audio system by presetting your favorite radio stations, setting the tone, and adjusting the speakers. Then, when driving conditions permit, you can tune to your favorite radio stations using the presets and steering wheel controls if the vehicle has them. 3-84 - 2008 Buick LaCrosse | Owner's Manual - Page 213
your dealer/retailer. 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 even damage them. Your - 2008 Buick LaCrosse | Owner's Manual - Page 214
Radio(s) Radio with Six-Disc CD Radio with CD (MP3) shown, Radio with CD similar Your vehicle has one of these radios as its audio system. 3-86 - 2008 Buick LaCrosse | Owner's Manual - Page 215
Artist, Song Title, Category or PTY, Channel Number/Channel Name. To change the default on the display, press the DISP button until the desired If your vehicle's radio has Speed Compensated Volume (SCV), the audio system adjusts automatically to make up for road and wind noise while driving. Set - 2008 Buick LaCrosse | Owner's Manual - Page 216
are in the selected band. INFO (Information) (XM™ Satellite Radio Service Only): Your vehicle's radio may have an INFO button. If the current . If the entire message is not displayed, parts of the message appears every three seconds. To manually scroll through the message, press and release the - 2008 Buick LaCrosse | Owner's Manual - Page 217
middle position, press and hold when no tone or speaker control displays. ALL CENTERED displays and the radio beeps once. EQ (Equalization): Press to select customized equalization settings. To return the bass and treble to the manual mode, press and release until BASS or TREBLE displays. Finding - 2008 Buick LaCrosse | Owner's Manual - Page 218
category select mode. The current category displays. 2. Turn the LOCKED: If LOCKED displays, it means the THEFTLOCK® system has locked up. Take your vehicle to your dealer/retailer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your dealer/retailer. e knob - 2008 Buick LaCrosse | Owner's Manual - Page 219
it. Make sure the wiping process starts from the center to the edge. Care of Your CD Player Do not add any label to a CD, it could get caught in the CD player. If a CD is recorded on a personal computer player, use only CDs in good condition without any label, load one - 2008 Buick LaCrosse | Owner's Manual - Page 220
CD player holds up to six CDs. To insert one CD: 1. Turn the ignition on. 2. Press and release the LOAD button. 3. Wait for the indicator light, located to the right of the slot, to turn green. 4. Load a CD. Insert the CD partway into the slot, label side up. The player pulls - 2008 Buick LaCrosse | Owner's Manual - Page 221
radio beeps once and the indicator light, located to the right of the slot, begins to flash and EJECT ALL displays. 2. Once the light stops flashing, REMOVE CD # press the Z button to eject a CD after trying to push it in manually. The player's 25-second eject timer resets at each press of the eject - 2008 Buick LaCrosse | Owner's Manual - Page 222
how long the current track has been playing. The elapsed time of the track displays. To change the default on the display, track, or elapsed time, press until the desired display appears, Press the left arrow to go to the start of the current or the previous track. Press the right arrow to go to the - 2008 Buick LaCrosse | Owner's Manual - Page 223
following steps: 1. Turn the CD player on and load it with at least one CD. See "LOAD" listed previously in this section for more information. 2. Check to see that the CD player is not in song list mode. LIST should not display. If LIST is displayed, press the LIST button to - 2008 Buick LaCrosse | Owner's Manual - Page 224
To play the song list, press the LIST button. One beep sounds and S-LIST displays. The recorded tracks begins to play in the order they were saved. Seek through the song list by using the SEEK arrows. Seeking past the last saved track returns to the first saved track. To delete tracks from the song - 2008 Buick LaCrosse | Owner's Manual - Page 225
CHECK CD: If this message displays and/or the CD comes out, it could be for one of the following reasons: Using an MP3 MP3 CD-R Disc MP3 Format If you burn your own MP3 disc on a personal computer version 1 and 2. • There could have been a problem while burning the CD. • The label could be caught - 2008 Buick LaCrosse | Owner's Manual - Page 226
necessary. To conserve disc space, keep the length of the file, folder, or playlist name brief. MP3 CDs do not require file folders. The system can support up to 11 folders in depth. The depth of the folders should be kept down to make it easier while locating a folder during playback. All - 2008 Buick LaCrosse | Owner's Manual - Page 227
longer than 32 characters or four pages are shortened. The display does not show parts of words on the last page of text, and the extension of the filename all of the tracks in the current folder or playlist have played, the system moves on to the next folder or playlist, and plays all of the tracks - 2008 Buick LaCrosse | Owner's Manual - Page 228
XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer's request, by calling 1-800-852-XMXM (9696). Updating: The encryption code in the receiver is being updated, and no action is required. • Song name and time of day mode displays the current song name and - 2008 Buick LaCrosse | Owner's Manual - Page 229
CH Off Air: This channel is not currently in service. CH system is working properly. XM Locked: The XM™ receiver may have previously been in another vehicle. For security purposes, XM™ receivers cannot be swapped between vehicles. If this message is received after having your vehicle serviced, check - 2008 Buick LaCrosse | Owner's Manual - Page 230
audio controls can be adjusted at the steering wheel. They include the following: > (Mute/OnStar®): Press this button to silence the system. more than two seconds to interact with the OnStar® system. See the OnStar® System on page 2-43 in this manual for more information. BAND: Press this button to - 2008 Buick LaCrosse | Owner's Manual - Page 231
item from the accessory power outlet. FM Stereo FM stereo gives the best sound, but FM signals reach only about 10 to 40 miles (16 to 65 km). Tall buildings or hills can interfere with FM signals, causing the sound to fade in and out. XM™ Satellite Radio Service XM™ Satellite Radio - 2008 Buick LaCrosse | Owner's Manual - Page 232
Also, for proper radio reception, the antenna connector at the top-center of the rear window needs to be properly attached to the post on the glass. not be covered by your warranty. Because this antenna is built into the rear window, there is a reduced risk of damage caused by car washes and - 2008 Buick LaCrosse | Owner's Manual - Page 233
the roof of your vehicle can interfere with the performance of the XM™ system. Make sure the XM™ Satellite Radio antenna is not obstructed. Chime Level Adjustment The radio is used to adjust the vehicle's chime level. To change the volume level of the chime, press and hold pushbutton 6 with the - 2008 Buick LaCrosse | Owner's Manual - Page 234
✍ NOTES 3-106 - 2008 Buick LaCrosse | Owner's Manual - Page 235
...4-2 Defensive Driving ...4-2 Drunk Driving ...4-2 Control of a Vehicle ...4-3 Braking ...4-3 Antilock Brake System (ABS) ...4-4 Braking in Emergencies ...4-5 Traction Control System (TCS) ...4-6 Enhanced Traction System (ETS) ...4-7 StabiliTrak® System ...4-8 Steering ...4-9 Off-Road Recovery - 2008 Buick LaCrosse | Owner's Manual - Page 236
Your Driving, the Road, and Your Vehicle Defensive Driving Defensive driving means "always expect the unexpected." The first step in driving defensively is to wear your safety belt - See Safety Belts: They Are for Everyone on page 1-9. Drunk Driving {CAUTION: Drinking and then driving is very - 2008 Buick LaCrosse | Owner's Manual - Page 237
. See Traction Control System (TCS) on page 4-6, Enhanced Traction System (ETS) on page 4-7, and StabiliTrak® System on page 4-8. Adding non-dealer/non-retailer accessories can affect your vehicle's performance. See Accessories and Modifications on page 5-3. Braking See Brake System Warning Light on - 2008 Buick LaCrosse | Owner's Manual - Page 238
's performance. See Accessories and Modifications on page 5-3. Antilock Brake System (ABS) Your vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that will help prevent a braking skid. When you start the engine and begin to drive away, ABS will check itself. You - 2008 Buick LaCrosse | Owner's Manual - Page 239
If there is a problem with ABS, this warning light will stay on. See Antilock Brake System Warning Light on page 3-38. Remember: ABS does not change the time you need to get your foot up to the brake pedal or always decrease stopping distance. If you get too close to the vehicle in front of you, - 2008 Buick LaCrosse | Owner's Manual - Page 240
Traction Control System (TCS) that limits wheel spin. This is especially useful in slippery road conditions. The system operates only if it senses that one or both of the front wheels are spinning or beginning to lose traction. When this happens, the system works the front brakes and reduces engine - 2008 Buick LaCrosse | Owner's Manual - Page 241
TRACTION CONTROL ACTIVE message on the Driver Information Center (DIC) will be displayed when the system is limiting wheel spin. If there is a problem with the system, the SERVICE TRACTION SYSTEM message will also come on in the DIC. When this warning light is on, the system will not limit wheel - 2008 Buick LaCrosse | Owner's Manual - Page 242
in the brake pedal. This is normal. Continue to steer the vehicle in the direction you want it to go. If there is a problem detected with StabiliTrak®, a SERVICE STABILITY SYSTEM or STABILITY CONTROL OFF message will be displayed on the Driver Information Center (DIC). A warning light will also - 2008 Buick LaCrosse | Owner's Manual - Page 243
the tires meet the road and make you lose control. See Traction Control System (TCS) on page 4-6, Enhanced Traction System (ETS) on page 4-7, and StabiliTrak® System on page 4-8. What should you do if this ever happens? Ease up on the brake or accelerator pedal, steer the vehicle the way you want it - 2008 Buick LaCrosse | Owner's Manual - Page 244
or a car suddenly pulls out from nowhere, or a child darts out from between parked cars and stops right in front of you. You can avoid these problems by braking - if to act fast, steer quickly, and just as quickly straighten the wheel once you have avoided the object. The fact that such emergency - 2008 Buick LaCrosse | Owner's Manual - Page 245
-Road Recovery You may find that your vehicle's right wheels have dropped off the edge of a road onto the the shoulder is only slightly below the pavement, recovery should be fairly easy. Ease off the accelerator and then, if there is nothing in the way, steer so that your vehicle straddles the edge - 2008 Buick LaCrosse | Owner's Manual - Page 246
easing your foot off the accelerator pedal. Remember: Any traction control system helps avoid only the acceleration skid. If your traction control system is off, then an acceleration skid is also best handled by easing your foot off the accelerator pedal. If your vehicle starts to slide, ease your - 2008 Buick LaCrosse | Owner's Manual - Page 247
surface - and slow down when you have any doubt. Remember: Any Antilock Brake System (ABS) helps avoid only the braking skid. • Slow down and keep more space between you and other vehicles because your headlamps can only light up so much road ahead. Watch for animals. When tired, pull off - 2008 Buick LaCrosse | Owner's Manual - Page 248
can reduce vehicle traction and affect your ability to stop and accelerate. Always drive slower in these types of driving conditions and avoid could lose control of the vehicle. After driving through a large puddle of water or a car/vehicle wash, lightly apply the brake pedal until the brakes work - 2008 Buick LaCrosse | Owner's Manual - Page 249
for a long trip, consider having it serviced by your dealer/retailer before departing. Things to check on your own include: Highway Hypnosis Always : Reservoir full? Windows clean - inside and outside? Wiper Blades: In good shape? Fuel, Engine Oil, Other Fluids: All levels checked? Lamps: Do - 2008 Buick LaCrosse | Owner's Manual - Page 250
or even none going down a hill. You could crash. Always have the engine running and your vehicle in gear when you go downhill. • Keep your vehicle serviced and in good shape. • Check all fluid levels and brakes, tires, cooling system, and transmission. • Going down steep or long hills, shift - 2008 Buick LaCrosse | Owner's Manual - Page 251
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. Be sure you properly to drive on. But wet ice can be even more trouble because it can offer the least traction of all. You can get wet ice when it is - 2008 Buick LaCrosse | Owner's Manual - Page 252
and loose gravel, to help maintain vehicle motion at lower speeds. See Traction Control System (TCS) on page 4-6, Enhanced Traction System (ETS) on page 4-7, and StabiliTrak® System on page 4-8. The Antilock Brake System (ABS) improves your vehicle's stability when you make a hard stop on a slippery - 2008 Buick LaCrosse | Owner's Manual - Page 253
run the engine, make it go a little faster than just idle. That is, push the accelerator slightly. This uses less fuel for the heat that you get and it keeps the battery charged. You will need a well-charged battery to restart the vehicle, and possibly for signaling later on with the headlamps. Let - 2008 Buick LaCrosse | Owner's Manual - Page 254
spin the wheels to free your vehicle when stuck in sand, mud, ice, or snow. See Rocking Your Vehicle to Get It Out on page 4-21. If your vehicle has a traction system, it can often help to free a stuck vehicle. Refer to your vehicle's traction system in the Index. If the stuck condition is too - 2008 Buick LaCrosse | Owner's Manual - Page 255
to Get It Out First, turn the steering wheel left and right to clear the area around the front wheels. Turn off any traction or stability system. See Traction Control System (TCS) on page 4-6, Enhanced Traction System (ETS) on page 4-7, and StabiliTrak® System on page 4-8. Then shift back and forth - 2008 Buick LaCrosse | Owner's Manual - Page 256
Label Example The Tire and Loading Information label lists the number of occupant seating positions (A), and the maximum vehicle capacity weight (B) in kilograms and pounds. The vehicle capacity weight includes the weight of all occupants, cargo, and all nonfactory-installed options. The Tire and - 2008 Buick LaCrosse | Owner's Manual - Page 257
, the amount of available cargo and luggage load capacity is 650 lbs (1400 − 750 (5 x 150) = 650 lbs). cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and luggage load capacity calculated in Step 4. 6. If your vehicle will be towing a trailer, the load from - 2008 Buick LaCrosse | Owner's Manual - Page 258
lbs (68 kg) × 2 = Available Occupant and Cargo Weight = Total 1,000 lbs (453 kg) 300 lbs (136 kg) 700 lbs (317 kg) Item A B C Description Maximum Vehicle Capacity Weight for Example 2 = Subtract Occupant Weight 150 lbs (68 kg) × 5 = Available Cargo Weight = Total 1,000 lbs (453 kg) 750 lbs (340 - 2008 Buick LaCrosse | Owner's Manual - Page 259
, fuel, and cargo. Refer to your vehicle's Tire and Loading Information label for specific information about your vehicle's maximum vehicle capacity weight and seating positions. The combined weight of the driver, passengers, and cargo should never exceed your vehicle's maximum vehicle capacity - 2008 Buick LaCrosse | Owner's Manual - Page 260
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 cause you to lose control and crash. Also, overloading can shorten the life of your vehicle. Notice: Overloading - 2008 Buick LaCrosse | Owner's Manual - Page 261
Consult your dealer/retailer or a professional towing service if you need to have your disabled vehicle towed 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 - 2008 Buick LaCrosse | Owner's Manual - Page 262
control when you pull a trailer. For example, if the trailer is too heavy, the brakes may not work well - or even at all. You and your passengers could be seriously injured. You may also damage your vehicle; the resulting repairs would not be covered the information in "Weight of the Trailer" - 2008 Buick LaCrosse | Owner's Manual - Page 263
Trailering means changes in handling, acceleration, braking, durability, and fuel economy. Successful, safe trailering takes correct equipment, and it has to be used properly. That is the reason for this part. In it are many time-tested, important trailering tips and safety rules. Many of these are - 2008 Buick LaCrosse | Owner's Manual - Page 264
of the Trailer Tongue The tongue load (A) of any trailer is an important weight to measure because it affects the total or gross weight of the vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the vehicle, any cargo in it, and the people who will be riding in the vehicle. If there - 2008 Buick LaCrosse | Owner's Manual - Page 265
intended for hitches. Do not attach rental hitches or other bumper-type hitches to it. Use only a frame-mounted hitch that does not attach to the bumper. • If holes need to be made in the body of the vehicle to When using a weight-carrying hitch, the trailer tongue (A) should weigh 10 percent to - 2008 Buick LaCrosse | Owner's Manual - Page 266
vehicle is by itself. Before starting, check all trailer hitch parts and attachments, safety chains, electrical connector, lamps, tires, and mirror adjustment. If the trailer has electric brakes, start the vehicle and trailer moving and then apply the trailer brake controller by hand to be sure the - 2008 Buick LaCrosse | Owner's Manual - Page 267
require heavy braking and sudden soft shoulders, curbs, road signs, change. Properly hooked up, the trailer lamps will also flash, telling other drivers you are about to turn, change check occasionally to be sure the trailer bulbs are still working. Backing Up Hold the bottom of the steering wheel - 2008 Buick LaCrosse | Owner's Manual - Page 268
to a lower gear before starting down a long hill or steep downgrade. If the vehicle is not shifted down, the brakes might have to be brakes, but do not shift into PARK (P) yet. 2. Have someone place chocks under the trailer's wheels. 3. When the wheel chocks are in place, release the regular brakes - 2008 Buick LaCrosse | Owner's Manual - Page 269
should not be overfilled; engine oil, drive belt(s), and cooling and brake systems. Each of these is covered in this manual, and the Index will help you find them quickly. If trailering, it is a good idea to review this information before starting on a trip. Check periodically to see that all hitch - 2008 Buick LaCrosse | Owner's Manual - Page 270
✍ NOTES 4-36 - 2008 Buick LaCrosse | Owner's Manual - Page 271
5 Service and Appearance Care Engine Overheating ...5-30 Overheated Engine Protection Operating Mode ...5-32 Cooling System ...5-33 Power Steering Fluid ...5-43 Windshield Washer Fluid ...5-44 Brakes ...5-46 Battery ...5-49 Jump Starting ...5-50 Headlamp Aiming ...5-56 Bulb Replacement ...5-58 - 2008 Buick LaCrosse | Owner's Manual - Page 272
fication ...5-107 Vehicle Identification Number (VIN) ...5-107 Service Parts Identification Label ...5-108 Electrical System ...5-108 Add-On Electrical Equipment ...5-108 Headlamp Wiring ...5-109 Windshield Wiper Fuses ...5-109 Power Windows and Other Power Options ...5-109 Fuses and Circuit Breakers - 2008 Buick LaCrosse | Owner's Manual - Page 273
as, airbags, braking, stability, ride and handling, emissions systems, aerodynamics, durability, and electronic systems like antilock brakes, traction control and stability control. Some of these accessories could even cause malfunction or damage not covered by warranty. GM Accessories are designed - 2008 Buick LaCrosse | Owner's Manual - Page 274
. To order the proper service manual, see Service Publications Ordering Information on page 7-16. Your vehicle has an airbag system. Before attempting to do your own service work, see Servicing Your Airbag-Equipped Vehicle on page 1-66. You should keep a record with all parts receipts and list the - 2008 Buick LaCrosse | Owner's Manual - Page 275
can affect the airflow around it. This can cause wind noise and can affect fuel economy and windshield washer performance. Check with your dealer/retailer before adding equipment to the outside of your vehicle. Gasoline Octane If your vehicle has the 3.8L V6 engine (VIN Code 2), use regular unleaded - 2008 Buick LaCrosse | Owner's Manual - Page 276
control system performance might be affected. The malfunction indicator lamp could turn on and your vehicle might fail a smog-check test. See Malfunction Indicator Lamp on page 3-42. If this occurs, return to your authorized dealer/retailer for diagnosis. If it is determined that the condition - 2008 Buick LaCrosse | Owner's Manual - Page 277
air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system improper fuel would not be covered by your warranty. To check the fuel availability, ask an auto club, or contact a major - 2008 Buick LaCrosse | Owner's Manual - Page 278
help avoid injuries to you and others, read and follow all the instructions on the pump island. Turn off your engine when you are refueling. Do not smoke if you are near fuel let children pump fuel. The tethered fuel cap is located behind a hinged fuel door on the driver's side of the vehicle. To - 2008 Buick LaCrosse | Owner's Manual - Page 279
See Check Gas Cap Light on page 3-49 for more information. If your vehicle has a Driver Information Center (DIC), the CHECK GAS CAP message will be displayed if the fuel cap is not properly installed. See DIC Warnings and Messages on page 3-58 for more information. {CAUTION: If a fire starts while - 2008 Buick LaCrosse | Owner's Manual - Page 280
Filling a Portable Fuel Container Checking Things Under the Hood {CAUTION: Never fill a portable electric fan. {CAUTION: Things that burn can get on hot engine parts and start a fire. These include liquids like fuel, oil, coolant, brake fluid, windshield washer and other fluids, and plastic or rubber - 2008 Buick LaCrosse | Owner's Manual - Page 281
on it. It is located to the left of the steering column below the instrument panel. 2. Push the secondary hood release lever, located under the center of the hood above the grille, up and to the right to disengage it. 3. Lift the hood. Before closing the hood, make sure all the - 2008 Buick LaCrosse | Owner's Manual - Page 282
Engine Compartment Overview When you open the hood on the 3.6L V6 engine, this is what you will see: 5-12 - 2008 Buick LaCrosse | Owner's Manual - Page 283
. See Battery on page 5-49. C. Remote Positive (+) Terminal. See Jump Starting on page 5-50. D. Underhood Fuse Block. See Underhood Fuse Block on page 5-112. E. Passenger Compartment Air Filter. See Passenger Compartment Air Filter on page 3-29. F. Engine Coolant Recovery Tank. See Cooling System on - 2008 Buick LaCrosse | Owner's Manual - Page 284
When you open the hood on the 3.8L V6 engine, this is what you will see: 5-14 - 2008 Buick LaCrosse | Owner's Manual - Page 285
. See Battery on page 5-49. C. Remote Positive (+) Terminal. See Jump Starting on page 5-50. D. Passenger Compartment Air Filter. See Passenger Compartment Air Filter on page 3-29. E. Underhood Fuse Block. See Underhood Fuse Block on page 5-112. F. Engine Coolant Recovery Tank. See Cooling System on - 2008 Buick LaCrosse | Owner's Manual - Page 286
When you open the hood on the 5.3L V8 engine, here is what you will see: 5-16 - 2008 Buick LaCrosse | Owner's Manual - Page 287
the Fluid Level" under Automatic Transmission Fluid on page 5-25. J. Brake Master Cylinder Reservoir. See "Brake Fluid" under Brakes on page 5-46. K. Engine Air Cleaner/Filter. See Engine Air Cleaner/Filter on page 5-23. L. Engine Coolant Recovery Tank. See Cooling System on page 5-33. 5-17 - 2008 Buick LaCrosse | Owner's Manual - Page 288
Engine Oil Checking Engine Oil It is a good idea to check the 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 - 2008 Buick LaCrosse | Owner's Manual - Page 289
engine oil fill cap. 5.3L V8 Engine If the oil is below the cross-hatched area at the tip of the dipstick, add at least one quart/liter of the recommended oil. This section explains what kind of oil to use. For engine that shows the proper operating range, the engine could be damaged. Be sure to add - 2008 Buick LaCrosse | Owner's Manual - Page 290
can result in engine damage not covered by your warranty. If you are in an area of extreme cold, where the temperature falls below −20°F (−29°C), it is recommended that you use either an SAE 5W-30 synthetic oil or an SAE 0W-30 oil. Both provide easier cold starting and better protection - 2008 Buick LaCrosse | Owner's Manual - Page 291
Center (DIC), a CHANGE OIL SOON message will come on. See Change Engine Oil Light on page 3-45 or DIC Warnings and Messages on page 3-58. Change the oil as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best conditions, the oil life system - 2008 Buick LaCrosse | Owner's Manual - Page 292
to a change engine oil light or CHANGE OIL SOON message being turned on, reset the system. After changing the engine oil, reset the system: • Vehicles without Driver Information Center (DIC) 1. With the engine off, turn the ignition key to ON/RUN. 2. Fully press and release the accelerator pedal - 2008 Buick LaCrosse | Owner's Manual - Page 293
6-4 for more information. If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change. How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the - 2008 Buick LaCrosse | Owner's Manual - Page 294
damage it. Always have the air cleaner/filter in place when you are driving. 5.3L V8 Engine 1. Lift the filter cover tabs on top of the engine air cleaner/filter housing. 2. Push the filter cover housing toward the engine. 3. Pull out the filter. 4. Inspect or replace the engine air cleaner/filter. 5-24 - 2008 Buick LaCrosse | Owner's Manual - Page 295
hot engine parts or exhaust system parts, starting a fire. Too little Check Automatic Transmission Fluid Because this operation can be a little difficult, you may choose to have this done at the dealer/retailer service department. If you do it yourself, be sure to follow all the instructions - 2008 Buick LaCrosse | Owner's Manual - Page 296
Checking the Fluid Level Prepare the vehicle as follows: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in PARK (P). 3. With your foot on the brake pedal, move the shift lever through each gear, pausing for about three seconds - 2008 Buick LaCrosse | Owner's Manual - Page 297
, heater core, or radiator corrosion. In addition, the engine coolant may require changing sooner, at the first maintenance service after each 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 - 2008 Buick LaCrosse | Owner's Manual - Page 298
repair cost would not be covered by your warranty. Too much water in the mixture can freeze and crack the engine, radiator, heater core, and other parts. 5-28 Checking Coolant The coolant recovery tank is located in the engine compartment toward the rear of the engine on the passenger side of the - 2008 Buick LaCrosse | Owner's Manual - Page 299
contains ethylene glycol, and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. Occasionally check the coolant level in the radiator. For information on how to add coolant to the radiator, see Cooling System on page 5-33. Adding Coolant If more coolant is - 2008 Buick LaCrosse | Owner's Manual - Page 300
the instrument panel cluster that indicate an overheated engine condition. See Engine Coolant Temperature Gage on page 3-40 and Engine Coolant Temperature Warning Light on page 3-40 for more information. In addition, if your vehicle is equipped with a Driver Information Center (DIC), you will find an - 2008 Buick LaCrosse | Owner's Manual - Page 301
engine if it overheats, and get out of the vehicle until the engine is cool. See Overheated Engine covered by your warranty. See Overheated Engine Engine If you get an engine overheat warning, but see or hear no steam, the problem may not be too serious. Sometimes the engine let the engine idle in NEUTRAL - 2008 Buick LaCrosse | Owner's Manual - Page 302
the Driver Information Center (DIC), if the vehicle has one, along with the engine coolant temperature warning light on the instrument panel, to indicate the vehicle has entered overheated engine protection operating mode. The temperature gage will also indicate an overheat condition exists. Driving - 2008 Buick LaCrosse | Owner's Manual - Page 303
Cooling System When you decide it is safe to lift the hood, this is what you will see: 3.8L V6 Engine A. Coolant Recovery Tank B. Radiator Pressure Cap C. Electric Engine Cooling Fans 3.6L V6 Engine A. Coolant Recovery Tank B. Pressure Cap C. Electric Engine Cooling Fans 5-33 - 2008 Buick LaCrosse | Owner's Manual - Page 304
can start up even when the engine is engine is cold, the coolant level should be at or above the COLD FILL line on the coolant recovery tank. If it is not, there may be a leak at the pressure cap or in the radiator hoses, heater hoses, radiator, water pump, or somewhere else in the cooling system - 2008 Buick LaCrosse | Owner's Manual - Page 305
no leak, with the engine on, check to see if the electric engine cooling fans are running. If the engine is overheating, the fans should be running. If the fans are not running, the vehicle needs service. Notice: Engine damage from running your engine without coolant is not covered by your warranty - 2008 Buick LaCrosse | Owner's Manual - Page 306
boil before the proper coolant mixture will. The vehicle's coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine could get too hot but you would not get the overheat warning. The engine could catch fire and you or others could be burned. Use - 2008 Buick LaCrosse | Owner's Manual - Page 307
parts are hot enough. Do not spill coolant on a hot engine. When the coolant level in the coolant recovery tank is at the COLD FILL line, start the vehicle. If the overheat warning continues, there is one more thing you can try. You can add the proper coolant mixture directly to the cooling system - 2008 Buick LaCrosse | Owner's Manual - Page 308
to follow this procedure could cause the engine to overheat and be severely damaged. If the engine's cooling system needs to be drained and re-filled, please see the dealer/retailer. 1. You can remove the pressure cap when the cooling system, including the pressure cap and upper radiator hose is no - 2008 Buick LaCrosse | Owner's Manual - Page 309
a specific radiator fill procedure. Failure to follow this procedure could cause your engine to overheat and be severely damaged. 1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. 5. Then fill the coolant - 2008 Buick LaCrosse | Owner's Manual - Page 310
now push down as you turn it. Remove the pressure cap. 3. Open the coolant air bleed valve located on the thermostat housing, near the upper radiator hose. See Engine Compartment Overview on page 5-12 for more information on location. 4. Fill the radiator with the proper DEX-COOL® coolant mixture - 2008 Buick LaCrosse | Owner's Manual - Page 311
the base of the filler neck. 10. Then replace the radiator pressure cap. At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. Be sure the pressure cap is hand-tight and fully seated. 11. Check the coolant in the recovery tank. The level in - 2008 Buick LaCrosse | Owner's Manual - Page 312
to follow this procedure could cause the engine to overheat and be severely damaged. If the engine's cooling system needs to be drained and re-filled, please see the dealer/retailer. 1. You can remove the pressure cap when the cooling system, including the pressure cap and upper radiator hose is no - 2008 Buick LaCrosse | Owner's Manual - Page 313
service department inspect the vehicle for leaks. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have the system - 2008 Buick LaCrosse | Owner's Manual - Page 314
How to Check Power Steering Fluid To check the power steering fluid, do the following: 1. Turn the key off and let the engine compartment cool down. 2. Wipe the cap and the top of the reservoir clean. 3. Unscrew the cap and wipe the dipstick with a clean rag. 4. Replace the cap and completely tighten - 2008 Buick LaCrosse | Owner's Manual - Page 315
When using concentrated washer fluid, follow the manufacturer's instructions for adding water. • Do not mix water with ready-to-use washer fluid. Water can cause the solution to freeze and damage your washer fluid tank and other parts of the washer system. Also, water does not clean as well as washer - 2008 Buick LaCrosse | Owner's Manual - Page 316
fluid will burn if the engine is hot enough. You or others could be burned, and your vehicle could be damaged. Add brake fluid only when work is done on the brake hydraulic system. When the brake fluid falls to a low level, the brake warning light comes on. See Brake System Warning Light on page 3-37 - 2008 Buick LaCrosse | Owner's Manual - Page 317
. 5-47 • Using the wrong fluid can badly damage brake hydraulic system parts. For example, just a few drops of mineral-based oil, such as engine oil, in the brake hydraulic system can damage brake hydraulic system parts so badly that they will have to be replaced. Do not let someone put in the wrong - 2008 Buick LaCrosse | Owner's Manual - Page 318
service might be required. Replacing Brake System Parts The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if the vehicle is to have really good braking. Your vehicle was designed and tested with top-quality brake parts. When you replace - 2008 Buick LaCrosse | Owner's Manual - Page 319
, see your dealer/retailer for one that has the replacement number shown on the original battery's label. See Engine Compartment Overview on page 5-12 for battery location. Warning: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of - 2008 Buick LaCrosse | Owner's Manual - Page 320
vehicle that would not be covered by your warranty. Trying to start your vehicle by pushing or pulling it will not work, and it could damage your vehicle. 1. Check the other vehicle. It must have a 12-volt battery with a negative ground system. Notice: If the other vehicle's system is not a 12-volt - 2008 Buick LaCrosse | Owner's Manual - Page 321
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 radio and other accessories when jump starting your vehicle. 3. Turn off the ignition on both vehicles. Unplug - 2008 Buick LaCrosse | Owner's Manual - Page 322
remote positive (+) terminal, remove the fuse block cover. {CAUTION: Fans or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engine is running. {CAUTION: 5.3L Engine Using a match near a battery can cause battery gas to explode. People have been hurt - 2008 Buick LaCrosse | Owner's Manual - Page 323
battery and maybe other parts too. And do not connect the negative (−) cable to the negative (−) terminal on the dead battery because this can cause sparks. 5. Check engine part or to a remote negative (−) terminal if the vehicle has one. Notice: If you connect a negative cable to the Engine Control - 2008 Buick LaCrosse | Owner's Manual - Page 324
the chance of sparks getting back to the battery is much less. 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. Notice: If the jumper cables are - 2008 Buick LaCrosse | Owner's Manual - Page 325
black negative (−) cable from the vehicle that had the dead battery. 2. Disconnect the black negative (−) cable from the vehicle with the good battery. block cover to its original position. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (−) Terminal B. Good Battery or - 2008 Buick LaCrosse | Owner's Manual - Page 326
that the vehicle is taken to your dealer/retailer for service if the headlamps need to be re-aimed. It is possible however, to re-aim the headlamps as described. The vehicle should: • Be placed so the headlamps are 25 ft. (7.6 m) from a light colored wall. • Have all four tires on a perfectly level - 2008 Buick LaCrosse | Owner's Manual - Page 327
upward (A) to the recorded distance from Step 3 and mark it. Notice: Do not cover a headlamp to improve beam cut-off when aiming. Covering a headlamp may cause excessive heat build-up which may cause damage to the headlamp. 5. Draw or tape a horizontal line (B) on the wall the width of the vehicle - 2008 Buick LaCrosse | Owner's Manual - Page 328
burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package. 9. Make sure that the light from the headlamp is positioned at the bottom edge of the horizontal tape line. The lamp on the left (A) shows the correct - 2008 Buick LaCrosse | Owner's Manual - Page 329
and Back-up Lamps To replace a taillamp, turn signal, sidemarker, stoplamp or back-up lamp bulb: 1. Open the trunk. See Trunk on page 2-14 for more information. 2. Remove the convenience net if the vehicle has one. 3. Remove the four plastic wing nuts retaining the trunk trim. There are two wing - 2008 Buick LaCrosse | Owner's Manual - Page 330
wiring harness. A. Taillamp B. Back-up C. Taillamp D. Stoplamp/Taillamp/Turn Signal E. Sidemarker 7. Turn the bulb socket counterclockwise to remove it. 8. Replace with a new bulb. 9. Turn the bulb socket clockwise to reinstall. 10. Reverse these steps to reinstall the taillamp assembly. 5-60 - 2008 Buick LaCrosse | Owner's Manual - Page 331
License Plate Lamp To replace one of these bulbs: 1. Remove the screws for either of the Install the new bulb. 5. Reverse Steps 1 through 3 to reinstall the license plate lamp. Replacement Bulbs Exterior Lamps Back-Up Lamps Rear Sidemarker, License Plate Lamp, and Taillamp Stoplamps and Taillamps - 2008 Buick LaCrosse | Owner's Manual - Page 332
so you will continue to have the benefits an acoustic windshield can provide. Replacement blades come in different types and are removed in different ways. For the proper type and length, see Maintenance Replacement Parts on page 6-13. Here is how to remove the wiper blade: 1. Pull the windshield - 2008 Buick LaCrosse | Owner's Manual - Page 333
tire warranty and where to obtain service, see your vehicle Warranty booklet 's tires have been damaged, replace them. {CAUTION: Poorly maintained flexing. You could have an air-out and a serious accident. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked - 2008 Buick LaCrosse | Owner's Manual - Page 334
's width, height, aspect ratio, construction type, and service description. See the "Tire Size" illustration later in tire performance criteria have a TPC specification code molded onto the sidewall. GM's TPC specifi performance factors: treadwear, traction, and temperature resistance. For more information see - 2008 Buick LaCrosse | Owner's Manual - Page 335
carried and the maximum pressure needed to support that load. (A) Temporary Use Only: for emergency use when a regular road tire has lost air and gone flat. If your vehicle has a compact Transportation) code is the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire - 2008 Buick LaCrosse | Owner's Manual - Page 336
maximum pressure needed to support that load. (E) , height, aspect ratio, construction type, and service description. The letter T as the first character TPC specification code molded onto the sidewall system. The letter P as the first character in the tire size means a passenger vehicle tire engineered - 2008 Buick LaCrosse | Owner's Manual - Page 337
square inch (psi) or kilopascal (kPa). 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 conditioning. Aspect Ratio: The relationship of a tire - 2008 Buick LaCrosse | Owner's Manual - Page 338
The DOT code includes air pressure is molded onto the sidewall. Maximum Load Rating: The load rating for a tire at the maximum permissible inflation pressure for that tire. Maximum Loaded Vehicle Weight: The sum of curb weight, accessory weight, vehicle capacity weight, and production options weight - 2008 Buick LaCrosse | Owner's Manual - Page 339
the tread. Rim: A metal support for a tire and upon which the tire beads are seated. Sidewall: The portion of a tire between the tread and the bead. Speed Rating: An alphanumeric code assigned to a tire indicating the maximum speed at which a tire can operate. Traction: The friction between the tire - 2008 Buick LaCrosse | Owner's Manual - Page 340
amount of air pressure needed to support your vehicle's maximum load carrying capacity. For additional information regarding how much weight your vehicle vehicle with more weight than it was designed to carry. When to Check Check your tires once a month or more. Do not forget to check the compact - 2008 Buick LaCrosse | Owner's Manual - Page 341
air by pushing on the metal stem in the center of the tire valve. Re-check the tire pressure with the tire gage. Be sure to put the valve caps safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more - 2008 Buick LaCrosse | Owner's Manual - Page 342
to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received, including interference that may cause undesired operation of the device. Changes or modifications to this system by other than an authorized service facility could void - 2008 Buick LaCrosse | Owner's Manual - Page 343
vehicle's TPMS system can warn you about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection and Rotation on page 5-75 and Tires on page 5-63. If your vehicle has the uplevel Driver Information Center (DIC), a warning message to check the pressure in - 2008 Buick LaCrosse | Owner's Manual - Page 344
Center (DIC), A DIC warning message is also displayed. The low tire warning light and DIC warning message come on at each ignition cycle until the problem is corrected. Some of the conditions that can cause the malfunction light and DIC message to come on are: • Replacement tires or wheels - 2008 Buick LaCrosse | Owner's Manual - Page 345
wheel position, the matching process stops and you need to start over. The TPMS sensor matching process is outlined below: 1. Set the parking brake. 2. Turn the ignition switch to ON/RUN with the engine air pressure level as indicated on the tire and loading information label. 11. Put the valve caps - 2008 Buick LaCrosse | Owner's Manual - Page 346
were new. Any time you notice unusual wear, rotate the tires as soon as possible and check wheel alignment. Also check for damaged tires or wheels. See When It Is Time for New Tires on page 5-77 and Wheel Replacement on page 5-82. After the tires have been rotated, adjust the front and rear in - 2008 Buick LaCrosse | Owner's Manual - Page 347
road conditions influence when you need new tires. One way to tell when it is time for new tires is to check the conditions, and inflation pressure maintenance. With proper care and maintenance tires will typically wear out before they degrade due to age. If you are unsure about the need to replace - 2008 Buick LaCrosse | Owner's Manual - Page 348
considers over a dozen critical specifications that impact the overall performance of your vehicle, including brake system performance, ride and handling, traction control, and tire pressure monitoring performance. GM's TPC Spec number is molded onto the tire's sidewall near the tire size. If the - 2008 Buick LaCrosse | Owner's Manual - Page 349
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 your vehicle's tires you would get with TPC Spec rated tires. See Tire Pressure Monitor System on page 5-71. Your vehicle's original equipment tires are listed on - 2008 Buick LaCrosse | Owner's Manual - Page 350
wheels and tires, this may affect the way your vehicle performs, including its braking, ride and handling characteristics, stability, and resistance to rollover. Additionally, if your vehicle has electronic systems such as, anti-lock brakes, traction control, and electronic stability control - 2008 Buick LaCrosse | Owner's Manual - Page 351
as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance. Warning: The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering - 2008 Buick LaCrosse | Owner's Manual - Page 352
rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes be repaired). See your dealer/retailer if any of these conditions exist. Your dealer/retailer will - 2008 Buick LaCrosse | Owner's Manual - Page 353
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 - 2008 Buick LaCrosse | Owner's Manual - Page 354
. It could fail suddenly and cause a crash. If you have to replace a wheel, use a new GM original equipment wheel. {CAUTION: If your vehicle has P225/55R17 damage to the brakes, suspension or other vehicle parts. The area damaged by the tire chains could cause you to lose control of your vehicle - 2008 Buick LaCrosse | Owner's Manual - Page 355
vehicle and tire size combination and road conditions. Follow that manufacturer's 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 wheels. If you do find traction devices that will fit, install them on - 2008 Buick LaCrosse | Owner's Manual - Page 356
, the flat tire creates a drag that pulls the vehicle toward that side. Take your foot off the accelerator pedal and grip the steering wheel firmly. Steer to maintain lane position, and then gently brake to a stop well out of the traffic lane. A rear blowout, particularly on a curve, acts much like - 2008 Buick LaCrosse | Owner's Manual - Page 357
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 passengers to - 2008 Buick LaCrosse | Owner's Manual - Page 358
Open the trunk. See Trunk on page 2-14 for more information. 2. Remove the convenience net if the vehicle has one. 3. Remove the spare tire cover. 6. Turn the nut holding the jack counterclockwise and remove it. Then remove the jack and wrench. 4. Turn the wing nut counterclockwise and remove it - 2008 Buick LaCrosse | Owner's Manual - Page 359
nuts. If so, go to the Removing the Wheel Nuts section. If the vehicle has steel wheel covers with plastic nut caps, the wheel nuts are hidden behind the cap. To remove the wheel cover: 1. Do a safety check before proceeding. See Changing a Flat Tire on page 5-87 for more information. 2. Use the - 2008 Buick LaCrosse | Owner's Manual - Page 360
(22.8 cm) from the front edge of the rear wheel well. {CAUTION: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. {CAUTION: Raising your vehicle with - 2008 Buick LaCrosse | Owner's Manual - Page 361
5. Raise the vehicle by turning the jack handle clockwise. Raise the vehicle far enough off the ground for the compact spare tire to fit under the vehicle. 6. Remove all wheel nuts and take off the flat tire. 5-91 - 2008 Buick LaCrosse | Owner's Manual - Page 362
{CAUTION: Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after 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 can use - 2008 Buick LaCrosse | Owner's Manual - Page 363
on studs or nuts. Because the nuts might come loose. The vehicle's wheel could fall off, causing a crash. 9. Put the wheel nuts back on with the rounded end of the nuts toward the wheel. Tighten each nut by hand until the wheel is held against the hub. 10. Lower the vehicle by turning the jack - 2008 Buick LaCrosse | Owner's Manual - Page 364
come loose and even come off. This could lead to a crash. If you have to replace them, be sure to get new original equipment wheel nuts. Stop somewhere as soon as you can and have the nuts tightened with a torque wrench to the proper torque specification. See Capacities and - 2008 Buick LaCrosse | Owner's Manual - Page 365
in the trunk area and secure. 2. Place the tire valve stem facing down and the protector/guide placed through a wheel bolt hole. 3. Remove the protector and attach the retainer securely 4. Store the cover as far forward as possible. When storing a compact spare tire in the trunk, put the protector - 2008 Buick LaCrosse | Owner's Manual - Page 366
A. Cover B. Retainer C. Compact Spare Tire D. Wing Nut E. Jack F. Wheel Wrench G. Extension Protector H. Foam Holder I. Bolt Screw A. Retainer B. Full-Size Flat Tire C. Protective Guide D. Extension Bolt Screw E. Wing Nut F. Jack G. Wheel Wrench H. Foam Holder I. Bolt Screw Compact Spare Tire - 2008 Buick LaCrosse | Owner's Manual - Page 367
and attach the retainer securely 4. Store the cover as far forward as possible. When storing Spare Tire on page 5-98. Use this as a guide for storing the compact spare tire and tools. {CAUTION protector, located in the foam holder, to help avoid wheel surface damage. To store a full-size tire: 1. - 2008 Buick LaCrosse | Owner's Manual - Page 368
: 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. Do not use the compact spare on other vehicles. And do not - 2008 Buick LaCrosse | Owner's Manual - Page 369
because newspapers and garments that transfer color to your home furnishings may also transfer color to your vehicle's interior. When all safety instructions on the label. While cleaning your vehicle's interior, maintain adequate ventilation by opening your vehicle's doors and windows. Dust may - 2008 Buick LaCrosse | Owner's Manual - Page 370
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 - 2008 Buick LaCrosse | Owner's Manual - Page 371
cleaner or spot lifter is to be used, test a small hidden area for colorfastness first. If protect soft plastic surfaces may permanently change the appearance and feel of your it difficult to see through the windshield under certain conditions. Leather A soft cloth dampened with water can be - 2008 Buick LaCrosse | Owner's Manual - Page 372
Check the cleaning product label. If it states that it should not be used on plastic parts, do not use it on your vehicle or damage may occur and it would not be covered by the warranty. Do not wash the vehicle in direct sunlight. Use a car severely weaken them. In a crash, they might not be able to - 2008 Buick LaCrosse | Owner's Manual - Page 373
and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing finish looking new by keeping your vehicle garaged or covered whenever possible. Finish Care Occasional waxing or mild polishing more depth and gloss to the colored basecoat. Always use waxes and polishes that are - 2008 Buick LaCrosse | Owner's Manual - Page 374
, never use auto or chrome polish, steam or caustic soap to clean aluminum. A coating of wax, rubbed to high polish, is recommended for all bright metal parts. Aluminum or Chrome-Plated Wheels and Trim Your vehicle may have either aluminum or chrome-plated wheels. Keep the wheels clean using a soft - 2008 Buick LaCrosse | Owner's Manual - Page 375
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. Sheet Metal Damage If the vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair - 2008 Buick LaCrosse | Owner's Manual - Page 376
dealer/retailer or an underbody car washing system can do this for you. Vehicle Care/Appearance Materials Description Polishing Cloth Tar and Road Oil Remover Chrome Cleaner and Polish White Sidewall Tire Cleaner Vinyl Cleaner Glass Cleaner Chrome Wheel Cleaner Finish Enhancer Usage Interior and - 2008 Buick LaCrosse | Owner's Manual - Page 377
foaming shampoo. Cleans and lightly waxes. Biodegradable and phosphate Service Parts labels and the certificates of title and registration. Engine Identification The eighth character in the VIN is the engine code. This code helps you identify your vehicle's engine, specifications, and replacement parts - 2008 Buick LaCrosse | Owner's Manual - Page 378
from working as they should. Add-on equipment can drain your vehicle's battery, even if your vehicle is not operating. Your vehicle has an airbag system. Before attempting to add anything electrical to your vehicle, see Servicing Your Airbag-Equipped Vehicle on page 1-66. Vehicle Identification - 2008 Buick LaCrosse | Owner's Manual - Page 379
, or in some cases to remain off. If this happens, have your headlamp wiring checked right away. Power Windows and Other Power Options Circuit breakers in the fuse block protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens and closes - 2008 Buick LaCrosse | Owner's Manual - Page 380
Instrument Panel Fuse Block The instrument panel fuse block is located on the passenger side of the instrument panel. Pull off the cover labeled FUSES to expose the fuse block. 5-110 - 2008 Buick LaCrosse | Owner's Manual - Page 381
Cluster Steering Wheel Controls Illumination OnStar®, Data Link Interior Lamps Power Seat Sunroof Canister Vent Climate Control System Turn Signal, Hazard Park Lamps Fuses CHMSL/BKUP PWR/MIR CRUISE RDO/AMP HTD/SEAT HTD/MIR PWR/WNDW Relays RAP PRK/LAMP R/DEFOG Usage Center-High-Mounted Stoplamp - 2008 Buick LaCrosse | Owner's Manual - Page 382
Voltage Control Fog Lamps Transmission Control Module Supplemental Inflatable Restraint Auxiliary Power Horn Emission Air Conditioner Clutch Oxygen Sensor Powertrain Control Module Powertrain Control Module, Electronic Throttle Control Electronic Throttle Control Display Antilock Brake Solenoid - 2008 Buick LaCrosse | Owner's Manual - Page 383
31 32 33 Micro-Relays 34 35 36 37 Usage Fuel Pump Antilock Brake System Ignition Usage Air Pump Battery Main 1 Battery Main 2 Battery Main 3 Fan 1 Battery Main 4 Antilock Brake System Motor Fan 2 Starter Usage Headlamp High-Beam Headlamp Driver Module Fog Lamp Ignition 1 Micro-Relays 38 39 40 41 - 2008 Buick LaCrosse | Owner's Manual - Page 384
WPR AUX PWR WSW/RVC LT LO BEAM RT LO BEAM FOG LAMPS LT HI BEAM 5.3L V8 Engine Fuses HVAC FUEL/PUMP AIRBAG/ DISPLAY COMPASS ABS Usage Climate Control System Fuel Pump Airbag, Display Compass Antilock Brake System Usage Electronic Throttle Control, Engine Control Module Air Conditioning Compressor - 2008 Buick LaCrosse | Owner's Manual - Page 385
STRTR ABS MTR BATT 3 BATT 2 FAN 2 FAN 1 Usage Horn Passenger Side High-Beam Headlamp Battery 4 Battery 1 Starter Antilock Brake System Motor Battery 3 Battery 2 Cooling Fan 2 Cooling Fan 1 Relays FUEL/PUMP A/C CMPRSR PWR/TRN STRTR FAN 3 FAN 2 FAN 1 HDM Usage Fuel Pump Air Conditioning Compressor - 2008 Buick LaCrosse | Owner's Manual - Page 386
fications Capacities Application Air Conditioning Refrigerant R134a Automatic Transmission (Drain and Refill) Cooling System Including Reservoir 3.6L V6 and 3.8L V6 Engine 5.3L V8 Engine Engine Oil with Filter 3.6L V6 Engine 3.8L V6 Engine 5.3L V8 Engine Fuel Tank 3.8LV6 Engine (with NU6 emissions - 2008 Buick LaCrosse | Owner's Manual - Page 387
to fill to the approximate level, as recommended in this manual. See Scheduled Maintenance on page 6-4 Engine Specifications Engine 3.6L V6 Engine 3.8L V6 Engine 5.3 V8 Engine with Active Fuel Management™ VIN Code 7 2 C Transmission Automatic Automatic Automatic Spark Plug Gap 0.044 inches (1.1 mm - 2008 Buick LaCrosse | Owner's Manual - Page 388
✍ NOTES 5-118 - 2008 Buick LaCrosse | Owner's Manual - Page 389
Section 6 Maintenance Schedule Owner Checks and Services ...6-8 At Each Fuel Fill ...6-8 At Least Once a Month ...6-9 At Least Once a Year ...6-9 Recommended Fluids and Lubricants ...6-12 Maintenance Replacement Parts ...6-13 Engine Drive Belt Routing ...6-14 Maintenance Record ...6-16 Maintenance - 2008 Buick LaCrosse | Owner's Manual - Page 390
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 might not be covered by warranty. 6-2 - 2008 Buick LaCrosse | Owner's Manual - Page 391
Publications Ordering Information on page 7-16. 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 - 2008 Buick LaCrosse | Owner's Manual - Page 392
to reset the oil life system whenever the oil is changed. See Engine Oil Life System on page 5-21 for information on the Engine Oil Life System and resetting the system. When the light or message appears, certain services, checks, and inspections are required. Required services are described in the - 2008 Buick LaCrosse | Owner's Manual - Page 393
Oil on page 5-18. Reset oil life system. See Engine Oil Life System on page 5-21. An Emission Control Service. Visually check for any leaks or damage. See footnote (k). Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air Cleaner/Filter on page 5-23. See footnote (l). Rotate - 2008 Buick LaCrosse | Owner's Manual - Page 394
(h). Change automatic transmission fluid and filter (normal service). Replace spark plugs and inspect spark plug wires. An Emission Control Service. Engine cooling system service (or every five years, whichever occurs first). An Emission Control Service. See footnote (i). Inspect engine accessory drive - 2008 Buick LaCrosse | Owner's Manual - Page 395
deteriorated. Inspect all pipes, fittings and clamps; replace with genuine parts as needed. To help ensure proper operation, a pressure test of the cooling system and pressure cap and cleaning the outside of the radiator and air conditioning condenser is recommended at least once a year. (d) Inspect - 2008 Buick LaCrosse | Owner's Manual - Page 396
Do not lubricate accelerator or cruise control cables. (k) A fluid loss in any vehicle system could indicate a problem. Have the system inspected and repaired and the fluid level checked. Add fluid if needed. (l) If you drive regularly under dusty conditions, inspect the filter at each engine oil change - 2008 Buick LaCrosse | Owner's Manual - Page 397
Brake on page 2-32. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. 3. Try to start the engine in each gear. The vehicle should start only in PARK (P) or NEUTRAL (N). If the vehicle starts in any other position, contact your dealer/retailer for service - 2008 Buick LaCrosse | Owner's Manual - Page 398
to ON/RUN, but do not start the engine. Without applying the regular brake, try to move the shift lever out of PARK (P) with normal effort. If the shift lever moves out of PARK (P), contact your dealer/retailer for service. Ignition Transmission Lock Check While parked, and with the parking - 2008 Buick LaCrosse | Owner's Manual - Page 399
is 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 dealer/retailer if service is required. Underbody Flushing Service At least every spring - 2008 Buick LaCrosse | Owner's Manual - Page 400
DEX-COOL Coolant. See Engine Coolant on page 5-27. Hydraulic Brake Delco® Supreme 11 Brake Fluid or System equivalent DOT-3 brake fluid. Windshield Optikleen® Washer Solvent. Washer Usage Fluid/Lubricant GM Power Steering Fluid Power Steering (GM Part No. U.S. 89021184, System in Canada 89021186 - 2008 Buick LaCrosse | Owner's Manual - Page 401
your dealer/retailer. Maintenance Replacement Parts Part Engine Air Cleaner/Filter 3.6L and 3.8L Engines 5.3L Engine Engine Oil Filter 3.6L V6 and 5.3L V8 Engines 3.8L V6 Engine Passenger Compartment Air Filter Spark Plugs 3.6L V6 Engine 3.8L V6 Engine 5.3L V8 Engine Windshield Wiper Blade Assembly - 2008 Buick LaCrosse | Owner's Manual - Page 402
Engine Drive Belt Routing 3.8L V6 Engine 3.6L V6 Engine 6-14 - 2008 Buick LaCrosse | Owner's Manual - Page 403
5.3L V8 Engine 6-15 - 2008 Buick LaCrosse | Owner's Manual - Page 404
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 - 2008 Buick LaCrosse | Owner's Manual - Page 405
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-17 - 2008 Buick LaCrosse | Owner's Manual - Page 406
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-18 - 2008 Buick LaCrosse | Owner's Manual - Page 407
...7-17 Event Data Recorders ...7-18 OnStar® ...7-19 Navigation System ...7-19 Radio Frequency Identification (RFID) ...7-19 Customer Assistance and Information ...7-2 Customer Satisfaction Procedure ...7-2 Online Owner Center ...7-5 Customer Assistance for Text Telephone (TTY) Users ...7-6 Customer - 2008 Buick LaCrosse | Owner's Manual - Page 408
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, in the U.S., contact the Buick Customer Assistance Center - 2008 Buick LaCrosse | Owner's Manual - Page 409
in Steps One and Two, you should file with the BBB Auto Line Program to enforce your rights. The BBB Auto Line Program is an out of court program administered by the factors. General Motors reserves the right to change eligibility limitations and/or discontinue its participation in this program. 7-3 - 2008 Buick LaCrosse | Owner's Manual - Page 410
arbitration of owner disputes involving factory-related vehicle service claims. The program provides for the review settlement process, from the time you file your complaint to the final decision, should be completed in approximately Canada Limited Mail Code: CA1-163-005 1908 Colonel Sam Drive Oshawa - 2008 Buick LaCrosse | Owner's Manual - Page 411
. Specific vehicle information can be found in one place. The Online Owner Center allows you to: My GM Canada (Canada only) My GM Canada is of this owner manual. • Keep track of your vehicle's service history and maintenance schedule. • Find GM dealers/retailers for service nationwide. • Receive - 2008 Buick LaCrosse | Owner's Manual - Page 412
who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with Buick by dialing: 1-800-83-BUICK. TTY users in Canada can dial 1-800-263-3830. From Puerto Rico: 1-800-496 - 2008 Buick LaCrosse | Owner's Manual - Page 413
Program This program, available to qualified applicants, can reimburse you up to $1,000 of the cost of eligible aftermarket adaptive equipment required for your vehicle, such as hand controls or a wheelchair/scooter lift. The offer is available for a very limited period of time from the date of - 2008 Buick LaCrosse | Owner's Manual - Page 414
only, up to a maximum coverage of $100. • Jump Start: A battery jump start is covered at no charge if the vehicle does not start. • Trip Routing Service (Canada only): Upon request, Roadside Assistance will send you detailed, computer personalized maps, highlighting your choice of either the most - 2008 Buick LaCrosse | Owner's Manual - Page 415
covered. However, any cost for parts and labor for non-warranty repairs are the responsibility of the driver. Buick and General Motors of Canada Limited reserve the right to limit services location • Location of the vehicle • Model, year, color, and license plate number of the vehicle • Odometer - 2008 Buick LaCrosse | Owner's Manual - Page 416
changing of snow tires, chains, or other traction devices. Roadside Assistance is not part of or included in the coverage provided by the New Vehicle Limited Warranty. Buick the service department immediately, keep driving it until it can be scheduled for service, unless, of course, the problem is - 2008 Buick LaCrosse | Owner's Manual - Page 417
rental. Public Transportation or Fuel Reimbursement If your vehicle requires overnight warranty repairs, and public transportation is used instead of the dealer's shuttle service, the expense must be supported by original receipts and can only be up to the maximum amount allowed by GM for shuttle - 2008 Buick LaCrosse | Owner's Manual - Page 418
by companies other than GM and may not have been tested for your vehicle. As a result, these parts may fit poorly, exhibit premature durability/corrosion problems, and may not perform properly in subsequent collisions. Aftermarket parts are not covered by your GM New Vehicle Limited Warranty, and any - 2008 Buick LaCrosse | Owner's Manual - Page 419
or Genuine Manufacturer replacement parts. Read your lease carefully, as you may be charged at the end of your lease for poor quality repairs. • Give only the necessary and requested information to police and other parties involved in the crash. Do not discuss your personal condition, mental frame - 2008 Buick LaCrosse | Owner's Manual - Page 420
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 - 2008 Buick LaCrosse | Owner's Manual - Page 421
such cases, you can have control of the repair and parts choices as long as cost stays complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems - 2008 Buick LaCrosse | Owner's Manual - Page 422
RETAIL SELL PRICE: $25.00 (U.S.) plus processing fee Service Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle suspension, brakes, electrical, steering, body, etc. Current and Past Model Order Forms Technical - 2008 Buick LaCrosse | Owner's Manual - Page 423
. For example, your vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy airbags in a crash and, if so equipped, to provide antilock braking to help the driver control the vehicle. These modules may store - 2008 Buick LaCrosse | Owner's Manual - Page 424
(EDR). The main purpose of an EDR is to record, in certain crash or near crash-like situations, such as an airbag deployment or hitting a road obstacle, data that will assist in understanding how a vehicle's systems performed. The EDR is designed to record data related to vehicle dynamics and - 2008 Buick LaCrosse | Owner's Manual - Page 425
OnStar® If your vehicle has OnStar and you subscribe to the OnStar services, please refer to the OnStar Terms and Conditions for information on data collection and use. See also OnStar® System on page 2-43 in this manual for more information. Radio Frequency Identification (RFID) RFID technology is - 2008 Buick LaCrosse | Owner's Manual - Page 426
✍ NOTES 7-20 - 2008 Buick LaCrosse | Owner's Manual - Page 427
62 Servicing Your Airbag-Equipped Vehicle ...1-66 What Makes an Airbag Inflate? ...1-60 Antenna, Backglass ...3-104 Antenna, XM™ Satellite Radio Antenna System ...3-105 Antilock Brake System (ABS) ...4-4 Antilock Brake, System Warning Light ...3-38 Appearance Care Aluminum or Chrome-Plated Wheels - 2008 Buick LaCrosse | Owner's Manual - Page 428
37, 4-17, 4-28 Care of Safety Belts ...5-102 CD, MP3 ...3-97 Center Console Storage Area ...2-53 Center Seat ...1-7 Chains, Tire ...5-84 Charging System Light ...3-36 Check Engine Light ...3-42 Check Gas Cap Light ...3-49 Checking Things Under the Hood ...5-10 Chemical Paint Spotting ...5-106 Child - 2008 Buick LaCrosse | Owner's Manual - Page 429
...4-3 Convenience Net ...2-54 Coolant Engine Temperature Gage ...3-40 Engine Temperature Warning Light ...3-40 Heater, Engine ...2-27 Low Warning Light ...3-41 Cooling System ...5-33 Courtesy Lamps ...3-16 Cruise Control ...3-10 Cruise Control Light ...3-46 Cupholder(s) ...2-52 Customer Assistance - 2008 Buick LaCrosse | Owner's Manual - Page 430
it Out ...4-21 Winter ...4-17 Dual Automatic Climate Control System ...3-24 E EDR ...7-17 Electrical System Add-On Equipment ...5-108 Fuses and Circuit Breakers ...5-109 Headlamp Wiring ...5-109 Instrument Panel Fuse Block ...5-110 Power Windows and Other Power Options ...5-109 Underhood Fuse Block - 2008 Buick LaCrosse | Owner's Manual - Page 431
30 Reduced Power Light ...3-46 Starting ...2-26 Enhanced Traction System (ETS) ...4-7 Warning Light ...3-39 Entry Lighting ...3-16 Event Data Recorders ...7-18 Extender, Safety Belt ...1-29 Exterior Lamps ...3-13 Exterior Lighting Battery Saver ...3-15 F Filter Engine Air Cleaner ...5-23 Finish - 2008 Buick LaCrosse | Owner's Manual - Page 432
52 GM Mobility Reimbursement Program ...7-7 Headlamps Bulb Replacement ...5-58 Daytime Running Lamps/Automatic Headlamp System ...3-14 Exterior Lamps ...3-13 Flash-to-Pass ...3-8 Halogen Bulbs ...5-58 High/Low Beam Changer ...3-8 Suggested Light ...3-47 Heated Seats ...1-3 Heater ...3-20 Heater - 2008 Buick LaCrosse | Owner's Manual - Page 433
1-41 5-61 Light Airbag Readiness ...Antilock Brake System Warning ...Brake System Warning ...Change Engine Oil ...Charging System ...Check Gas Cap ...Cruise Control ...Door Ajar ...Engine Coolant Temperature Warning ...Enhanced Traction System (ETS) Warning Light ...Headlamps Suggested ...Highbeam - 2008 Buick LaCrosse | Owner's Manual - Page 434
Record ...6-16 Maintenance Replacement Parts ...6-13 Maintenance Requirements ...6-2 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 ...3-42 Manual, Using ...iii - 2008 Buick LaCrosse | Owner's Manual - Page 435
...5-32 Owner Checks and Services ...6-8 Owners, Canadian ...ii O Odometer ...3-32 Off-Road Recovery ...4-11 Oil Change Engine Oil Light ...3-45 Engine ...5-18 Pressure Light ...3-45 Oil, Engine Oil Life System ...5-21 Older Children, Restraints ...1-29 Online Owner Center ...7-5 OnStar, Privacy - 2008 Buick LaCrosse | Owner's Manual - Page 436
Power Door Locks ...2-11 Electrical System ...5-109 Lumbar Controls ...1-3 Reduced Engine Light ...3-46 Retained Accessory (RAP) ...2-25 Seat ...1-2 Steering Fluid ...5-43 Windows ...2-18 Pressure Cap ...5-30 Privacy ...7-17 Event Data Recorders ...7-18 Navigation System ...7-19 OnStar ...7-19 Radio - 2008 Buick LaCrosse | Owner's Manual - Page 437
Heated Seats ...1-3 Power Lumbar ...1-3 Power Seats ...1-2 Reclining Seatbacks ...1-4 Split Folding Rear Seat ...1-8 Securing a Child Restraint Center Front Seat Position ...1-50 Rear Seat Position ...1-47 Right Front Seat Position ...1-50 Security Light ...3-45 Service ...5-3 Accessories and - 2008 Buick LaCrosse | Owner's Manual - Page 438
StabiliTrak® System ...4-8 Start Vehicle, Remote ...2-8 Starting the Engine ...2-26 Steering ...4-9 Steering Wheel Controls, Audio ...3-102 Steering Wheel, Tilt Wheel ...3-6 Storage Areas Center Console Storage Area ...2-53 Convenience Net ...2-54 Cupholder(s) ...2-52 Glove Box ...2-52 Stuck in Sand - 2008 Buick LaCrosse | Owner's Manual - Page 439
Trunk ...2-14 Trunk Ajar Light ...3-47 Turn and Lane-Change Signals ...3-8 Turn Signal/Multifunction Lever ...3-7 Universal Home Remote System ...2-47 Operation ...2-48 Using this Manual ...iii V Vehicle Control ...4-3 Damage Warnings ...iv Loading ...4-21 Service Soon Light ...3-48 Symbols ...iv - 2008 Buick LaCrosse | Owner's Manual - Page 440
...iii Vehicle Damage ...iv Washer Fluid, Low Warning Light ...3-47 Wheels Alignment and Tire Balance ...5-82 Different Size ...5-80 Replacement ...5-82 Where to Put the Restraint ...1-39 Windows ...2-17 Power ...2-18 Windshield Replacement ...5-62 Washer ...3-9 Washer Fluid ...5-44 Wiper Blade