2004 Buick Century Owner's Manual
2004 Buick Century Manual
2004 Buick Century manual content summary:
- 2004 Buick Century | Owner's Manual - Page 1
2004 Buick Century Owner Manual Seats and Restraint Systems ...1-1 Front Seats ...1-2 Rear Seats ...1-5 Safety Belts ...1-6 Child Restraints ...1-28 Air Bag Systems ...1-49 Restraint System Check ...1-58 Features and Controls ...2-1 Keys ...2-2 Doors and Locks ...2-10 Windows ...2-15 Theft-Deterrent - 2004 Buick Century | Owner's Manual - Page 2
BUICK, the BUICK Emblem and the name CENTURY are registered trademarks of General Motors Corporation. This manual features and controls for your vehicle. In this manual, you manual. It is an alphabetical list of what is in the manual, and the page number where you will find it. Litho in U.S.A. Part - 2004 Buick Century | Owner's Manual - Page 3
you about things that could hurt you if you were to ignore the warning. You will also find a circle with a slash through it in this book. This safety symbol means "Don't," "Don't do this" or "Don't let this happen." {CAUTION: These mean there is something that could hurt you or other - 2004 Buick Century | Owner's Manual - Page 4
book to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different Systems in Section 1 Features and Controls in Section 2 Instrument Panel Overview in Section 3 Climate Controls in Section 3 Warning Lights, Gages and Indicators in Section 3 Audio System - 2004 Buick Century | Owner's Manual - Page 5
These are some examples of vehicle symbols you may find on your vehicle: v - 2004 Buick Century | Owner's Manual - Page 6
✍ NOTES vi - 2004 Buick Century | Owner's Manual - Page 7
Air Bag Inflates? ...1-56 Servicing Your Air Bag-Equipped Vehicle ...1-58 Restraint System Check ...1-58 Checking Your Restraint Systems ...1-58 Replacing Restraint System Parts After a Crash ...1-59 Front Seats ...1-2 Manual Seats ...1-2 Six-Way Power Safety Belt Comfort Guides for Children and - 2004 Buick Century | Owner's Manual - Page 8
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 you don't want to. Adjust the driver's seat only when the vehicle is not moving. Lift the bar located under - 2004 Buick Century | Owner's Manual - Page 9
lower the rear of the seat, push the rear of the control up or down. Lift the lever located on the outboard side of the seat to release the seatback, then move the seatback to the desired position. Release the lever to lock the seatback in place. Pull up on the lever without - 2004 Buick Century | Owner's Manual - Page 10
safety belts can't do their job when you're reclined like this. The shoulder belt can't do its job because it won't be against your body. Instead, it will be in front of you. In a crash you could go into it, receiving neck or other injuries. The lap belt can't do - 2004 Buick Century | Owner's Manual - Page 11
access to the interior of the vehicle through the trunk. To do this, pull forward on the seat tab, located on the side of the rear seat, to move the rear seatback down. Adjust your head restraint so that to its original position, push it back up, making sure the seat latch locks it in place. 1-5 - 2004 Buick Century | Owner's Manual - Page 12
Safety Belts Safety Belts: They Are for Everyone This part of the manual tells you how to use safety belts properly. It also tells you some and check that your passengers' belts are fastened properly too. Your vehicle has a light that comes on as a reminder to buckle up. See Safety Belt Reminder - 2004 Buick Century | Owner's Manual - Page 13
In most states and in all Canadian provinces, the law says to wear safety belts. Here's why: They work. You never know if you'll be in a crash. If you do have a crash, you don't know if it will be a bad one. A few crashes are mild, and some crashes can be so serious that even buckled up, a person - 2004 Buick Century | Owner's Manual - Page 14
Put someone on it. Get it up to speed. Then stop the vehicle. The rider doesn't stop. 1-8 - 2004 Buick Century | Owner's Manual - Page 15
The person keeps going until stopped by something. In a real vehicle, it could be the windshield... or the instrument panel... 1-9 - 2004 Buick Century | Owner's Manual - Page 16
of them in the future. But they are supplemental systems only; so they work with safety belts - not instead of them. Every air bag system ever offered for sale has required the use of safety belts. Even if you're in a vehicle that has air bags, you still have to buckle up to get the most protection - 2004 Buick Century | Owner's Manual - Page 17
? How to Wear Safety Belts Properly This part is only for people of adult size. . First, you'll want to know which restraint systems your vehicle has. We'll start with the driver good driver doesn't protect you from things beyond your control, such as bad drivers. Most accidents occur within 25 - 2004 Buick Century | Owner's Manual - Page 18
Driver Position This part describes the driver's restraint system. Lap-Shoulder Belt The driver has a lap-shoulder belt. Here's how to wear it properly. 1. Close and lock the door. 2. Adjust the seat so you can sit up straight. To see how, see "Seats" in the Index. 3. Pick up the latch plate and - 2004 Buick Century | Owner's Manual - Page 19
of the belt as you pull up on the shoulder belt. The lap part of the belt should be worn low and snug on the hips, just go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there's a sudden stop or crash, or if - 2004 Buick Century | Owner's Manual - Page 20
. To move it down, squeeze the release lever and the shoulder belt guide as shown and move the height adjuster to the desired position. You can belt guide. After you move the adjuster to where you want it, try to move it down without squeezing the release lever to make sure it has locked into - 2004 Buick Century | Owner's Manual - Page 21
if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit against your body. A: The shoulder belt is too loose. It won't give nearly as much protection this way. 1-15 - 2004 Buick Century | Owner's Manual - Page 22
Q: What's wrong with this? {CAUTION: You can be seriously injured if your belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not at the pelvic bones. This could cause serious internal injuries. Always buckle your belt - 2004 Buick Century | Owner's Manual - Page 23
Q: What's 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 - 2004 Buick Century | Owner's Manual - Page 24
forces. If a belt is twisted, make it straight so it can work properly, or ask your dealer to fix it. A: The belt is twisted across the body. 1-18 - 2004 Buick Century | Owner's Manual - Page 25
push the button on the buckle. The belt should go back out of the way. Before you close the door, be sure the belt is out of the way. If you slam the door on it, you can damage both the belt and your vehicle. A pregnant woman should wear a lap-shoulder belt - 2004 Buick Century | Owner's Manual - Page 26
belt - except for one thing. If you ever pull the shoulder portion of the belt out all the way, you will engage the child restraint locking feature. If this happens, just let the belt go back all the way and start again. Center Passenger Position When you sit in the center - 2004 Buick Century | Owner's Manual - Page 27
the belt shorter, pull its free end as shown until the belt is snug. Buckle, position and release it the same way as the lap part of a lap-shoulder belt. If the belt isn't long enough, see Safety Belt Extender on page 1-27. Make sure the release button on the buckle - 2004 Buick Century | Owner's Manual - Page 28
Seat Outside Passenger Positions 1. Pick up the latch plate and pull the belt across you. Do not let it get twisted. The shoulder belt may lock if you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock it. Then pull the belt - 2004 Buick Century | Owner's Manual - Page 29
to make sure it is secure. When the shoulder belt is pulled out all the way, it will lock. If it does, let it go back all the way and start again. If the belt is not quickly if you ever had to. 3. To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder - 2004 Buick Century | Owner's Manual - Page 30
cause serious or even fatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there is a sudden stop or a crash, or if you pull the belt very quickly out of the - 2004 Buick Century | Owner's Manual - Page 31
booster seats and for smaller adults, the comfort guides may be installed on the shoulder belts. Here's how to install a comfort guide and use the safety belt: 1. Pull the elastic cord out from between the edge of the seatback and the interior body to remove the guide from its storage clip. 1-25 - 2004 Buick Century | Owner's Manual - Page 32
and past the belt. The elastic cord must be under the belt. Then, place the guide over the belt, and insert the two edges of the belt into the slots of the guide. 3. Be sure that the belt is not twisted and it lies flat. The elastic cord must be under the - 2004 Buick Century | Owner's Manual - Page 33
. To remove and store the comfort guides, squeeze the belt edges together so that you can take them out of the guides. Pull the guide upward to expose its storage clip, and then slide the guide onto the clip. Turn the guide and clip inward and in between the seatback and the interior body, leaving - 2004 Buick Century | Owner's Manual - Page 34
Child Restraints Older Children Q: A: What is the proper way to wear safety belts? If possible, an older child should wear a lap-shoulder belt and get the additional restraint a shoulder belt can provide. The shoulder belt should not cross the face or neck. The lap belt should fit snugly below the - 2004 Buick Century | Owner's Manual - Page 35
a crash the child's upper body would have the restraint that belts provide. If the child is sitting in a rear seat outside position, see Rear Safety Belt Comfort Guides for Children and Small Adults on page 1-25. If the child is so small that the shoulder belt is still very close to the child - 2004 Buick Century | Owner's Manual - Page 36
. Instead, they need to use a child restraint. {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. If the child wears the belt in CAUTION: (Continued) 1-30 - 2004 Buick Century | Owner's Manual - Page 37
{CAUTION: People should never hold a baby in their arms while riding in a vehicle. A baby doesn't weigh much -- until a crash. During a crash a baby 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) baby will suddenly become a 240 - 2004 Buick Century | Owner's Manual - Page 38
children, but not for young children and infants. Neither the vehicle's safety belt system nor its air bag system is designed for them. Young children and infants need the protection that a child restraint system can provide. Q: What are the different types of add-on child restraints? A: {CAUTION - 2004 Buick Century | Owner's Manual - Page 39
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 - 2004 Buick Century | Owner's Manual - Page 40
a special bed made for use in a motor vehicle, is an infant restraint system designed to restrain or position a child on a continuous flat surface. Make with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned - 2004 Buick Century | Owner's Manual - Page 41
seat (C-E) provides restraint for the child's body with the harness and also sometimes with surfaces such as T-shaped or shelf-like shields. A booster seat (F-G) is a child restraint designed to improve the fit of the vehicle's safety belt system. Some booster seats have a shoulder belt positioner - 2004 Buick Century | Owner's Manual - Page 42
crotch. The five-point harness system has two shoulder straps, two hip straps and a crotch strap. A shield may take the place of hip straps. A T-shaped shield has shoulder straps that are attached to a flat pad which rests low against the child's body. A shelf- or armrest-type shield has straps that - 2004 Buick Century | Owner's Manual - Page 43
seat. Here is why: {CAUTION: A child in a child restraint in the center front seat can be badly injured or killed by the right front passenger's air bag if it inflates. Never secure a child restraint in the center front seat. It is always better to secure a child restraint in the rear seat - 2004 Buick Century | Owner's Manual - Page 44
top strap always to be anchored. Be sure to read and follow the instructions for your child restraint. If yours requires that the top strap be strap, one can be obtained, in kit form, for many child restraints. Ask the child restraint manufacturer whether or not a kit is available. In Canada, the - 2004 Buick Century | Owner's Manual - Page 45
's instructions say. They are located under trim covers on the rear seatback filler panel. Do not use a child restraint with a top strap in the right front passenger's position because there is no place to anchor the top strap. If your child restraint is equipped with the LATCH system - 2004 Buick Century | Owner's Manual - Page 46
Lower Anchorages and Top Tethers for Children (LATCH System) The vehicle has the LATCH system. You will find anchors (A) in all three rear seating positions. This system, designed to make installation of child restraints easier, does not use the vehicle's safety belts. Instead it uses vehicles - 2004 Buick Century | Owner's Manual - Page 47
The labels are located near the base of all three rear seating positions. {CAUTION: If a LATCH system in your vehicle, you need a child restraint designed for that system. To assist you in locating the lower anchors for this child restraint system, each seating position with the LATCH system has - 2004 Buick Century | Owner's Manual - Page 48
child restraint in different directions to be sure it is secure. To remove the child restraint, simply unhook the top tether from the top tether anchorage LATCH system, you will be using the lap-shoulder belt to secure the child restraint in this position. Be sure to follow the instructions that - 2004 Buick Century | Owner's Manual - Page 49
3. Buckle the belt. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. 4. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 1-43 - 2004 Buick Century | Owner's Manual - Page 50
To remove the child restraint, just unbuckle the vehicle's safety belt and let it If your child restraint does not have the LATCH system, you'll be using the lap belt to secure the child restraint in this position. Be sure to follow the instructions that came with the child restraint. Secure the - 2004 Buick Century | Owner's Manual - Page 51
restraint in the center front seat can be badly injured or killed by the right front passenger's air bag if it inflates. Never secure a child restraint in the center front seat. It is always 's safety belt through or around the restraint. The child restraint instructions will show you how. 1-45 - 2004 Buick Century | Owner's Manual - Page 52
push the child restraint as you tighten the belt. 6. Push and pull the child restraint in different directions to be sure it is secure. To remove the child restraint, just unbuckle the vehicle's safety belt. It will be ready to work for an adult or larger child passenger. 1-46 - 2004 Buick Century | Owner's Manual - Page 53
air bag. Always secure a rear-facing child restraint in a rear seat. If your child restraint is equipped with the LATCH system, see Lower Anchorages and Top Tethers for Children (LATCH System and as the instructions say. 1. Because your vehicle has a right front passenger air bag, always move the - 2004 Buick Century | Owner's Manual - Page 54
of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. Tilt the latch plate to adjust the belt if needed the shoulder belt all the way out of the retractor to set the lock. 4. Buckle the belt. Make sure the release button is positioned so - 2004 Buick Century | Owner's Manual - Page 55
Air Bag Systems This part explains the frontal and side impact air bag systems. Your vehicle has air bags - a frontal air bag for the driver and another frontal air bag for the right front passenger. Your vehicle may also have a side impact air bag for the driver. If your vehicle has a side impact - 2004 Buick Century | Owner's Manual - Page 56
air bag systems: CAUTION: (Continued) {CAUTION: You can be severely injured or killed in a crash if you aren't wearing your safety belt, even if you have air bags being ejected from it. Air bags are designed to work with safety belts but don't replace them. Frontal air bags for the driver and - 2004 Buick Century | Owner's Manual - Page 57
wear your safety belt, even with frontal air bags. The driver should sit as far back as possible while still maintaining control of the vehicle, and should not lean on the door. Young children and infants need the protection that a child restraint system can provide. Always secure children properly - 2004 Buick Century | Owner's Manual - Page 58
Where Are the Air Bags? The right front passenger's frontal air bag is in the instrument panel on the passenger's side. The driver's frontal air bag is in the middle of the steering wheel. 1-52 - 2004 Buick Century | Owner's Manual - Page 59
air bag, and don't attach or put anything on the steering wheel hub or on or near any other air bag covering. Don't let seat covers block the inflation path of a side impact air bag. If your vehicle has one, the driver's side impact air bag is in the side of the driver's seatback closest to the door - 2004 Buick Century | Owner's Manual - Page 60
the occupant. Your vehicle may or may not have a driver's side impact air bag. See Air Bag Systems on page 1-49. A driver's side impact air bag is designed to inflate in moderate to severe side crashes involving the driver's door. A side impact air bag will inflate if the crash severity is above the - 2004 Buick Century | Owner's Manual - Page 61
, air bag and related hardware are all part of the air bag modules. Frontal air bag modules are located inside the steering wheel and instrument panel. For vehicles with a driver's side impact air bag, the air bag modules are located in the seatback closest to the driver's door. How Does an Air Bag - 2004 Buick Century | Owner's Manual - Page 62
air bag inflated. Some components of the air bag module - the steering wheel hub for the driver's air bag, the instrument panel for the right front passenger's bag, the side of the seatback closest to the door for the driver's side impact air bag - will be hot for a short time. The parts of the bag - 2004 Buick Century | Owner's Manual - Page 63
only once. After an air bag inflates, you will need some new parts for your air bag system. If you do not get them, the air bag system will not be there to help protect you in another crash. A new system will include air bag modules and possibly other parts. The service manual for your vehicle covers - 2004 Buick Century | Owner's Manual - Page 64
for any opened or broken air bag covers, and have them repaired or replaced. (The air bag system does not need regular maintenance.) {CAUTION: For up to 10 seconds after the ignition key is turned off and the battery is disconnected, an air bag can still inflate during improper service. You can be - 2004 Buick Century | Owner's Manual - Page 65
, safety belt or seat parts repaired or replaced. New parts and repairs may be necessary even if the belt or LATCH system wasn't being used at the time of the collision. If an air bag inflates, you'll need to replace air bag system parts. See the part on the air bag system earlier in this section - 2004 Buick Century | Owner's Manual - Page 66
✍ NOTES 1-60 - 2004 Buick Century | Owner's Manual - Page 67
Entry System Operation ...2-5 Doors and Locks ...2-10 Door Locks ...2-10 Power Door Locks ...2-11 Programmable Automatic Door Locks ...2-11 Lockout Protection ...2-12 Leaving Your Vehicle ...2-12 Trunk ...2-13 Windows ...2-15 Power Windows ...2-16 Sun Visors ...2-17 Theft-Deterrent Systems ...2-17 - 2004 Buick Century | Owner's Manual - Page 68
Keys {CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons. They could operate the power windows or other controls or even make the vehicle move. The children or others could be badly injured or even killed. Do not leave the keys in a vehicle with - 2004 Buick Century | Owner's Manual - Page 69
. Be sure you have spare keys. The door key is for the driver door and all other locks. If the vehicle has the OnStar® system with an active subscription, and the keys were locked inside, a command could be sent by the OnStar® system to unlock the vehicle. See OnStar® System on page 2-33 for more - 2004 Buick Century | Owner's Manual - Page 70
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" under Remote Keyless Entry System Operation on page 2-5. • If you are still having trouble, see your dealer or a qualified technician for - 2004 Buick Century | Owner's Manual - Page 71
again to unlock the passenger doors. F (Trunk Release): To release the trunk lid, press this button. The trunk will only unlock if the transaxle is in PARK (P). L (Remote Alarm): Press this button to activate an alarm. The ignition must be in OFF or ACCESSORY for the remote alarm to work. When the - 2004 Buick Century | Owner's Manual - Page 72
the vehicle will enter Mode 1. 5. To set a mode, release the power door LOCK switch after the chime sequence of the desired mode is heard. Disconnecting the vehicle's battery for up to a year will not affect the programmed mode. Programming the LOCK Command One of four modes can be selected to con - 2004 Buick Century | Owner's Manual - Page 73
the vehicle will enter Mode 1. 5. To set a mode, release the power door unlock switch after the chime sequence of the desired mode is heard. Disconnecting the vehicle's battery for up to a year will not affect the programmed mode. Delayed Locking This feature can be turned on or off. It delays the - 2004 Buick Century | Owner's Manual - Page 74
is turned off. Mode Two (Two Chimes): Delayed locking is turned on. 1. Close the doors. 2. Move the ignition key to the RUN position. 3. Apply the egular brakes. 4. Press and hold the power door unlock switch. While holding the power door unlock switch, move the shift lever out of and back into - 2004 Buick Century | Owner's Manual - Page 75
body transferred to these surfaces may damage the transmitter. To replace the battery do the following: 1. Insert a flat object like a thin coin into the slot on the back of the transmitter and pry apart the front and back. 2. Remove the old battery Resynchronization After the battery has been - 2004 Buick Century | Owner's Manual - Page 76
Doors and Locks Door Locks There are several ways to lock and unlock the vehicle. From the outside, use the door key or remote keyless entry transmitter. From the inside use the manual or power door locks. To manually lock or unlock the driver's door from the outside, insert the key and turn it - 2004 Buick Century | Owner's Manual - Page 77
top portion of a door lock switch to unlock or the bottom portion to lock all doors. Programmable Automatic Door Locks Programmable power door locks are intended to provide enhanced security and convenience by automatically locking and unlocking doors under certain conditions. The doors can be set - 2004 Buick Century | Owner's Manual - Page 78
key to RUN. 2. Close all of the doors. 3. Apply the brakes. 4. Press and hold the power door lock switch in the lock position. 5. Move the shift lever out of and back into PARK (P) while holding the door lock switch in the LOCK position. 6. Release the door lock switch to set the desired mode. After - 2004 Buick Century | Owner's Manual - Page 79
into your vehicle. See Climate Control System in the Index. • If you have air outlets on or under the instrument panel, open them all the way. See Engine Exhaust on page 2-29. Remote Trunk Release Press the remote trunk release button located behind the glove box door to release the trunk lid from - 2004 Buick Century | Owner's Manual - Page 80
lower the trunk lid and close the trunk. If the trunk is not properly closed, the DOOR/TRUNK ajar warning light will appear in the message center of the instrument panel cluster. See Door/Trunk Ajar Warning Light on page 3-42 for more information. The vehicle has a glow-in-the-dark emergency trunk - 2004 Buick Century | Owner's Manual - Page 81
Windows {CAUTION: Leaving children in a vehicle with the windows closed is dangerous. A child can be overcome by the extreme heat and can suffer permanent injuries or even death from heat stroke. Never leave a child alone in a vehicle, especially with the windows closed in warm or hot weather. 2- - 2004 Buick Century | Owner's Manual - Page 82
passengers from using their window switches. The driver can still control all the windows with the lock on. Press the other side of the window lock-out switch to allow passengers individual control of their windows. The switches on the driver's door armrest are used to control each of the windows - 2004 Buick Century | Owner's Manual - Page 83
PASS-Key® II is a passive theft-deterrent system. It works when the ignition key is inserted or removed from the ignition. Visor Vanity Mirror Open the cover on the sun visor to expose the vanity mirror. Lighted Visor Vanity Mirrors If the vehicle has the lighted vanity mirrors, the lamps come on - 2004 Buick Century | Owner's Manual - Page 84
a new key made. If the SECURITY warning light comes on the instrument panel while the vehicle is being driven, the engine will still be able to be started after it is turned off. The PASS-Key® II system, however, is not working properly and must be serviced by your dealer. The vehicle is not - 2004 Buick Century | Owner's Manual - Page 85
's door is opened if the ignition is in OFF, LOCK or ACCESSORY and the key is in the ignition. A (ACCESSORY): This position lets the radio and windshield wipers operate when the engine is off. To use ACCESSORY, push in the key and turn it counterclockwise. The steering wheel will stay locked. 2-19 - 2004 Buick Century | Owner's Manual - Page 86
Accessory Power (RAP), the power windows and audio system can continue to operate for up to 10 minutes after the ignition key is turned to OFF and before any of the doors are opened. Notice: Holding your key in START for longer than 15 seconds at a time will cause your battery parts or accessories, - 2004 Buick Century | Owner's Manual - Page 87
located above the engine air cleaner/filter assembly. 3. Plug it into a normal, grounded 110-volt AC outlet. {CAUTION: Plugging the cord into an ungrounded outlet store the cord as it was before to keep it away from moving engine parts, before starting the engine. If this is not done, the cord could - 2004 Buick Century | Owner's Manual - Page 88
vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. Do not leave your vehicle when will not move, even when you are on fairly level ground, always set your parking brake and move the shift lever to PARK (P). See Shifting Into Park (P) on page - 2004 Buick Century | Owner's Manual - Page 89
automatic transaxle shift lock control system. The regular brakes must be fully brake pedal pushed down. Then move the shift lever out of PARK (P). See Shifting Out of Park (P) on page 2-28 Notice: Shifting to REVERSE (R) while your vehicle is moving forward could damage the transaxle. The repairs - 2004 Buick Century | Owner's Manual - Page 90
as you increase speed may damage the transaxle. Have your vehicle serviced right away. You can drive in SECOND (2) when you are control the speed going down steep mountain roads, but then you would also want to use your brakes off and on. FIRST (1): This position gives the vehicle even more power - 2004 Buick Century | Owner's Manual - Page 91
not in PARK (P) or NEUTRAL (N). Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Verify that the parking brake is fully released and the brake warning light is off before driving. If you are towing a trailer and parking - 2004 Buick Century | Owner's Manual - Page 92
Into Park (P) {CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To - 2004 Buick Century | Owner's Manual - Page 93
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 lever was not fully locked into PARK (P). • Move the shift lever up as far as it will go. 3. Turn the ignition key to OFF. 4. Remove the key and take - 2004 Buick Century | Owner's Manual - Page 94
be moved out of PARK (P). Shifting Out of Park (P) The vehicle has an automatic transaxle shiftlock control system which locks the shift lever in PARK (P) when the ignition is in the OFF position. The regular brakes have to be fully applied before the vehicle can be shifted from PARK (P) when the - 2004 Buick Century | Owner's Manual - Page 95
was damaged in a collision. • Your vehicle was damaged when driving over high points on the road or over road debris. • Repairs were not done correctly. • Your vehicle or exhaust system had been modified improperly. If you ever suspect exhaust is coming into your vehicle: • Drive it only with all the - 2004 Buick Century | Owner's Manual - Page 96
even when you are on fairly level ground, always set your parking brake and move the shift lever to PARK (P). Follow the proper steps Trailer on page 4-39. {CAUTION: Idling the engine with the climate control system off could allow dangerous exhaust into your vehicle. See the earlier Caution under - 2004 Buick Century | Owner's Manual - Page 97
the button located next to each lamp to turn it on or off. There are also three OnStar® buttons located at the bottom of the mirror. See your dealer for more information on the system and how to subscribe to OnStar®. See OnStar® System on page 2-33 for more information about the services OnStar - 2004 Buick Century | Owner's Manual - Page 98
Outside Power Mirrors The power mirror controls are located on the driver's door armrest. Outside Convex Mirror The passenger's side mirror, move the selector switch located above the control pad to the left or the right. Then use the four-way arrows located on the control pad to move the mirrors - 2004 Buick Century | Owner's Manual - Page 99
Advisor use. Terms and conditions of the Subscription Service Agreement can be found at www.onstar.com. Safe and Sound Plan • Automatic Notification of Air Bag Deployment • Emergency Services • Roadside Assistance • Stolen Vehicle Assistance • AccidentAssist • Remote Door Unlock • Remote Diagnostics - 2004 Buick Century | Owner's Manual - Page 100
services • Personal Concierge Storage Areas Glove Box Use the door key to lock and unlock the glove box. To open the glove box, lift the latch on its door. OnStar® Personal Calling With OnStar Personal Calling, you have a safer way to stay down the armrest located in the center front seat. Press - 2004 Buick Century | Owner's Manual - Page 101
the front of the console and pull up. Convenience Net The vehicle may have a convenience net located on the back wall of the trunk. Put small loads, like grocery bags, behind the net. It can help keep them from falling over. The net is not for larger, heavier loads. Store those in - 2004 Buick Century | Owner's Manual - Page 102
. It includes a sliding glass panel and a sunshade. The switch to open the sunroof is located overhead on the headliner. The switch works only when the ignition is on or when Retained Accessory Power (RAP) is active. See "Retained Accessory Power (RAP)" in Ignition Positions on page 2-19. VENT: To - 2004 Buick Century | Owner's Manual - Page 103
Lamps ...3-15 Accessory Power Outlets ...3-17 Ashtrays and Cigarette Lighter ...3-17 Climate Controls ...3-18 Dual Climate Control System ...3-18 Dual Automatic Climate Control System ...3-21 Outlet Adjustment ...3-25 Passenger Compartment Air Filter ...3-26 Warning Lights, Gages and Indicators - 2004 Buick Century | Owner's Manual - Page 104
Instrument Panel Overview 3-2 - 2004 Buick Century | Owner's Manual - Page 105
Defogger Outlet. Hood Release. See Hood Release on page 5-10. Tilt Wheel Lever. See Tilt Wheel on page 3-5. Horn. See Horn on page 3-5. Audio System. See Audio System(s) on page 3-44. Ashtray. See Ashtrays and Cigarette Lighter on page 3-17. N. Climate Control. See Dual Climate Control System on - 2004 Buick Century | Owner's Manual - Page 106
Warning Flashers The hazard warning flasher button is located on the top of the steering column. Press warn others to use caution when approaching your vehicle. They also let police know you have a problem. Other Warning Devices If you store reflective, safety triangles in the vehicle, put one at - 2004 Buick Century | Owner's Manual - Page 107
pad to sound the horn. Turn Signal/Multifunction Lever Tilt Wheel A tilt wheel enables the position of the steering wheel to be adjusted. The lever that lets the steering wheel tilt is located and release the lever to lock it into place. The lever located on the left side of the Control 3-5 - 2004 Buick Century | Owner's Manual - Page 108
and Stoplamps on page 5-54 for turn signal bulb replacement procedures. Also see Fuses and Circuit Breakers on page 5-97 for location of fuses. A chime will sound if the turn , the high-beam headlamps will turn on. They will stay on as long as you hold the lever toward you. The high-beam indicator - 2004 Buick Century | Owner's Manual - Page 109
windshield wipers turn the band located on the multifunction lever upward or downward. WIPER: Turn this band to control the windshield wipers. OFF: worn or damaged, get new blades or blade inserts. See Windshield Wiper Blade Replacement on page 5-56. Heavy snow or ice can overload the wipers. A - 2004 Buick Century | Owner's Manual - Page 110
maintained without keeping your foot on the accelerator. This can really help on long trips. Cruise control does not work at speeds below about 25 mph (40 km/h). When you apply your brakes, the cruise control shuts off. {CAUTION: In freezing weather, do not use your washer until the windshield is - 2004 Buick Century | Owner's Manual - Page 111
conditions allow, the cruise control can be used again. Setting Cruise Control {CAUTION: If you leave your cruise control on when you are not using cruise, you might hit a button and go into cruise when you do not want to. You could be startled and even lose control. Keep the cruise control switch - 2004 Buick Century | Owner's Manual - Page 112
you apply the brake. This, of course, shuts off the cruise control. But you do not need to reset it. Once you're going about 25 mph (40 km/h) or more, move the cruise control switch from ON to R/A (Resume/Accelerate) briefly. The vehicle will accelerate to the previous chosen speed and stay there - 2004 Buick Century | Owner's Manual - Page 113
, your vehicle will slow down to the cruise control speed you set earlier. Ending Cruise Control There are two ways to turn off the cruise control: • Step lightly on the brake pedal. • Move the cruise switch to OFF. Ending Speed Memory When the cruise control or the ignition is turned off, or the - 2004 Buick Century | Owner's Manual - Page 114
Lamps Instrument Panel Lights Headlamps: Pull the headlamp control to the second position, to turn on the headlamps together with the previously listed lamps and lights. A warning chime will sound if the driver's door is opened when the ignition is turned to OFF, LOCK or ACCESSORY and the headlamps - 2004 Buick Century | Owner's Manual - Page 115
come on. To idle the vehicle with the DRL and automatic headlamp control off, set the parking brake while the ignition is in OFF or LOCK. Then start the vehicle. The DRL, headlamps and parking lamps will stay off until the parking brake is released. To turn off the automatic headlamp feature when it - 2004 Buick Century | Owner's Manual - Page 116
ignition key to RUN. 2. Close all the doors. 3. Press and hold the LOCK position on the power door lock switch. While holding the LOCK position on the door lock switch, cycle the exterior lamps control on and off two times. 4. Release the power door LOCK switch. These steps must be carried out in - 2004 Buick Century | Owner's Manual - Page 117
will continue to work until one of the following occurs: Entry Lighting The courtesy lamps will come on and stay on for a set time whenever you press UNLOCK on the remote keyless entry transmitter. The lamps will stay on while a door is opened and then turn off automatically about 25 seconds after - 2004 Buick Century | Owner's Manual - Page 118
ignition. The ignition must be off for delayed exit lighting to work. When the ignition key is removed, interior illumination will activate and remain on until one of the following occurs: Dome Lamp The dome lamp will come on when you open a door. Battery Rundown Protection This helps the vehicle - 2004 Buick Century | Owner's Manual - Page 119
, be sure to follow the proper installation instructions included with the equipment. Ashtrays and Cigarette Lighter The center front ashtray is located below the instrument panel comfort controls. To remove the ashtray, open the storage door. Then open the ashtray lid, lift up and pull it out - 2004 Buick Century | Owner's Manual - Page 120
be controlled with it. Manual Operation To change the current mode, select one of the following settings on the right knob. MAX (Maximum Air-Conditioning): This mode recirculates much of the air inside the vehicle and sends it through the instrument panel outlets. The air-conditioning compressor - 2004 Buick Century | Owner's Manual - Page 121
will come on when the air conditioning is on. During daylight hours the interior lighting control might need adjustment to the highest setting in order for the indicator light to be seen. The system will cool and dehumidify the air inside the vehicle when the A/C indicator light is on. On very hot - 2004 Buick Century | Owner's Manual - Page 122
be minimized if the climate control system is used properly. There the defrost mode to remove frost or fog from located on the right knob, directs most of the air through the defroster and the side window outlets. Some of the air is directed to the floor and side window outlets. The air-conditioning - 2004 Buick Century | Owner's Manual - Page 123
speed, and the system will remain in manual mode at that temperature. The system will not return to automatic until the temperature setting is lowered. If the system is set at the coldest temperature setting, 60°F (15°C), cold interior air will be recirculated through the air panel outlets, and the - 2004 Buick Century | Owner's Manual - Page 124
and places the system in manual 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, if equipped, may need to be replaced. For more information see Passenger Compartment Air Filter on page - 2004 Buick Century | Owner's Manual - Page 125
quick cool down on hot days, press the AUTO button. The system will automatically enter the recirculation mode where the temperature will be at the full cold position for maximum cooling. The air-conditioning system removes moisture from the air, so a small amount of water dripping underneath the - 2004 Buick Century | Owner's Manual - Page 126
on the cool window glass. This can be minimized if the climate control system is used properly. There are two modes to clear fog or frost outside air and directs most of the air through the defrost outlet. Some of the air also goes to the floor vents and the side window outlets. The indicator light - 2004 Buick Century | Owner's Manual - Page 127
air-conditioning compressor will run automatically in this setting unless the outside temperature is below 40°F (4°C). Do not drive the vehicle until all windows are clear. Outlet Adjustment Move the control in the center of each air outlet defogger. Repairs would not be covered by your warranty. - 2004 Buick Century | Owner's Manual - Page 128
Air Filter on page 3-26. Passenger 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. The filter traps most of the pollen from the air entering the air conditioning module - 2004 Buick Century | Owner's Manual - Page 129
your vehicle. When one of the warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check the section that tells you what to do about it. Please follow this manual's advice. Waiting to do repairs can be costly - and even dangerous. So - 2004 Buick Century | Owner's Manual - Page 130
, about how much fuel is in the fuel tank and many other things needed to drive safely and economically. United States version with Enhanced Traction System and ABS shown; Canada Base Level similar 3-28 - 2004 Buick Century | Owner's Manual - Page 131
odometer, then that will be done. But if it cannot, then it will be set at zero and a label must be put on the driver's door to show the old mileage reading when the new odometer was installed. Trip Odometer The trip odometer tells how far the vehicle has been driven - 2004 Buick Century | Owner's Manual - Page 132
buckled, neither the chime nor the light will come on. If the air bag readiness light stays on after the vehicle is started, or comes on as the vehicle is being driven, there may be an electrical problem and the air bag system may not work properly. Have the vehicle serviced right away. 3-30 - 2004 Buick Century | Owner's Manual - Page 133
vehicle serviced right away if the air bag readiness light stays on after you start your vehicle. The air bag readiness light should flash for a few seconds when you turn the ignition key to RUN. If the light does not come on then, have it fixed so it will be ready to warn you if there is a problem - 2004 Buick Century | Owner's Manual - Page 134
. For good braking, though, you need both parts working well. If the warning light comes on, there is a brake problem. Have the brake system inspected right away. When the ignition is on, the brake system warning light will also come on when the parking brake is set. The light will stay on if the - 2004 Buick Century | Owner's Manual - Page 135
. If the light still stays on, or comes on again while driving, the anti-lock brake system needs service. If the light is on and the regular brake system warning light is not on, the vehicle still has brakes, but it does not have anti-lock brakes. The anti-lock brake system warning light will come - 2004 Buick Century | Owner's Manual - Page 136
than FIRST (1) or SECOND (2). This means there is a problem with the system. You may feel or hear the system working, but this is normal. Slippery road conditions may exist if the low traction light comes on, so adjust your driving accordingly. The light will stay on for a few seconds after the ETS - 2004 Buick Century | Owner's Manual - Page 137
. See Engine Overheating on page 5-25. This reading indicates the same thing as the warning light. It means that the engine coolant has overheated. If the vehicle has been operating under normal driving conditions, pull off the road, stop the vehicle and turn off the engine as soon as possible - 2004 Buick Century | Owner's Manual - Page 138
Service Engine Soon Light Your vehicle is equipped with a computer which monitors operation of the fuel, ignition and emission control systems. The system The light will stay on, while the ignition is on, until the system is reset. See Tire Pressure Monitor System on page 5-65. This system is - 2004 Buick Century | Owner's Manual - Page 139
Steady" following. If the light is still flashing, follow the previous steps, and see your dealer for service as soon as possible. • Light Flashing - A misfire condition has been detected. A misfire increases vehicle emissions and may damage the emission control system on your vehicle. Diagnosis and - 2004 Buick Century | Owner's Manual - Page 140
. Did you just drive through a deep puddle of water? If so, your electrical system may be wet. The condition will usually be corrected when the electrical system dries out. A few driving trips should turn the light off. Have you recently changed brands of fuel? If so, be sure to fuel your vehicle - 2004 Buick Century | Owner's Manual - Page 141
would be considered not ready for inspection. This can happen if you have recently replaced your battery or if your battery has run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This may take several days of routine driving. If you have - 2004 Buick Century | Owner's Manual - Page 142
soon as possible and have 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 indicates that oil is not going through - 2004 Buick Century | Owner's Manual - Page 143
check when the engine is started. If the light does not come on, have it serviced. Security Light The SECURITY light will come on when the key is turned to START, and will stay on until the vehicle starts. If the CHANGE OIL SOON light comes on and stays on after the engine is started, have the - 2004 Buick Century | Owner's Manual - Page 144
is used, this indicates that the fluid is low in the windshield washer reservoir. Service Vehicle Soon Light The SERVICE VEHICLE SOON light will come on if there are certain non-emission related vehicle problems. The light will also come on briefly when the ignition is turned on to show that it - 2004 Buick Century | Owner's Manual - Page 145
half of the tank's capacity to fill it. • The gage pointer may move while cornering, braking or accelerating. United States Canada • The gage may not indicate empty when the ignition is turned off the indicator nears empty, there is still a little fuel left, but you should get more fuel soon. 3-43 - 2004 Buick Century | Owner's Manual - Page 146
, find out what your audio system can do and how to operate all of its controls to be sure you're getting the most out of the advanced engineering that went into it. Your vehicle has a feature called Retained Accessory Power (RAP). With RAP, you can play your audio system even after the ignition is - 2004 Buick Century | Owner's Manual - Page 147
ignition on or off. To synchronize the time with an FM station broadcasting Radio Data System (RDS) information, press and hold H and M at the same time until Radio PWR (Power): Push this knob to turn the system on and off. VOL (Volume): Turn this knob to increase or to decrease the volume. 3-45 - 2004 Buick Century | Owner's Manual - Page 148
time can be displayed with the ignition on or off. TUNE: Turn this knob to select radio stations. © SEEK ¨: Press the right or the left arrow to go to the next or to the previous station and stay there. To scan stations, press and hold either SEEK arrow for two seconds until - 2004 Buick Century | Owner's Manual - Page 149
Tone (Bass/Treble) AUDIO: Push and release AUDIO until BASS, MID, or TREBLE appears on the display. Then turn the AUDIO knob to increase or to controls and both speaker controls to the middle position, end out of audio mode by waiting five seconds without making any changes. Then push and hold AUDIO - 2004 Buick Century | Owner's Manual - Page 150
and both speaker controls to the middle position, end out of audio mode by waiting five seconds without making any changes. Then push and hold AUDIO for more than two seconds until you hear a beep. ALL CENTERED will appear on the display. Radio Data System (RDS) Your audio system is equipped with - 2004 Buick Century | Owner's Manual - Page 151
select mode. The PTY symbol will appear on the display. 2. Turn the AUDIO knob to select a PTY. 3. Once the desired PTY is displayed, press either SEEK (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. To turn alternate frequency - 2004 Buick Century | Owner's Manual - Page 152
will not be affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. INFO (Information): If the current press the TRAF button to remove the brackets or use the TUNE knob or the SEEK arrows to go to a station that supports traffic announcements. If no - 2004 Buick Century | Owner's Manual - Page 153
turn off the ignition or radio with a CD in the player, it will stay in the player. When you turn on the ignition or system, the CD will start playing where it stopped, if it was the last selected audio source. As each new track starts to play, the track number will appear - 2004 Buick Century | Owner's Manual - Page 154
wet, or upside down. • The air is very humid. If so, wait about an hour and try again. • There may have been a problem while burning the CD. • The label error message, write it down and provide it to your dealer when reporting the problem. Z (Eject): Press this button to eject a CD. Eject may be - 2004 Buick Century | Owner's Manual - Page 155
displayed with the ignition on or off. Playing the Radio PWR (Power): Push this knob to turn the system on and off. VOL (Volume): Turn this knob to increase or to decrease the volume. Finding a Station BAND: Press this button to switch between FM1, FM2, or AM. The display will show your selection - 2004 Buick Century | Owner's Manual - Page 156
previous station and stay there. To AUDIO: Push and release AUDIO until BASS, MID, or TREBLE appears on the display. Then turn the AUDIO knob controls and both speaker controls to the middle position, end out of audio mode by waiting five seconds without making any changes. Then push and hold AUDIO - 2004 Buick Century | Owner's Manual - Page 157
and both speaker controls to the middle position, end out of audio mode by waiting five seconds without making any changes. Then push and hold AUDIO for more than two seconds until you hear a beep. ALL CENTERED will appear on the display. Radio Data System (RDS) Your audio system is equipped with - 2004 Buick Century | Owner's Manual - Page 158
select mode. The P-TYPE symbol will appear on the display. 2. Turn the AUDIO knob to select a PTY. 3. Once the desired PTY is displayed, press either (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. To turn alternate frequency - 2004 Buick Century | Owner's Manual - Page 159
will not be affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. INFO (Information): If the current press the TRAF button to remove the brackets or use the TUNE knob or the SEEK arrows to go to a station that supports traffic announcements. If no - 2004 Buick Century | Owner's Manual - Page 160
hear nothing or hear a garbled sound, the tape may not be in squarely. Press the eject button to remove the tape and start over. While the tape is playing, use the VOLUME and AUDIO controls just as you do for the radio. The display will show an arrow to show which side of - 2004 Buick Century | Owner's Manual - Page 161
player needs to be cleaned. It will still play tapes, but you should clean provide it to your dealer when reporting the problem. Z (Eject): Press this button to this button first. CD Adapter Kits It is possible to use a the player cannot turn the tape hubs. Remove the tape. Hold the tape with the - 2004 Buick Century | Owner's Manual - Page 162
stay in the player. When you turn on the ignition or system, the CD will start playing where it stopped, if it was the last selected audio source difficulty in finding tracks, and/or difficulty in loading and ejecting. If these problems occur try a known good CD. Do not add paper labels to CDs, they - 2004 Buick Century | Owner's Manual - Page 163
road becomes smooth, the CD should play. • The CD is dirty, scratched, wet, or upside down. • The air is very humid. If so, wait about an hour and try again. • There may have been a problem while burning the CD. Z (Eject): Press this button to eject a tape. Eject may be activated with either - 2004 Buick Century | Owner's Manual - Page 164
radio will not operate if stolen. The radio will display LOCKED and a red LED indicator light will come on above the key symbol to indicate a locked condition. If this occurs, the radio will need to be returned to the dealer. Audio Steering Wheel Controls If your vehicle has this feature, you can - 2004 Buick Century | Owner's Manual - Page 165
listening to the radio. MUTE: Press this button to silence the audio system. Press it again to turn on the sound. FM FM stereo your cassette tape player needs to be cleaned. It will still play tapes, but you should clean it as soon as power lines. Try reducing the treble to reduce this noise. 3-63 - 2004 Buick Century | Owner's Manual - Page 166
pads good condition before you have your tape player serviced. antenna can withstand most car washes without being damaged. If the mast should ever become slightly bent, you can straighten it out by hand. If the mast is badly bent, you should replace it. Check occasionally to be sure the mast is still - 2004 Buick Century | Owner's Manual - Page 167
, the Road, and Your Vehicle ...4-2 Defensive Driving ...4-2 Drunken Driving ...4-2 Control of a Vehicle ...4-5 Braking ...4-6 Enhanced Traction System (ETS) ...4-9 Steering ...4-10 Off-Road Recovery ...4-12 Passing ...4-13 Loss of Control ...4-14 Driving at Night ...4-16 Driving in Rain and on Wet - 2004 Buick Century | Owner's Manual - Page 168
the best defensive driving maneuver, in both city and rural driving. You never know when the vehicle in front of you is going to brake or turn suddenly. Defensive driving requires that a driver concentrate on the driving task. Anything that distracts from the driving task - such as concentrating on - 2004 Buick Century | Owner's Manual - Page 169
on each person and situation, here is some general information on the problem. The Blood Alcohol Concentration (BAC) of someone who is drinking depends gin or vodka. • The amount of alcohol consumed • The drinker's body weight • The amount of food that is consumed before and during drinking • - 2004 Buick Century | Owner's Manual - Page 170
0.10 percent, the chance of this driver having a collision is 12 times greater; at a level of 0.15 percent, the chance is 25 times greater! The body takes about an hour to rid itself of the alcohol in one drink. No amount of coffee or number of cold showers will speed that - 2004 Buick Century | Owner's Manual - Page 171
permanently disabled is higher than if the person had not been drinking. Control of a Vehicle You have three systems that make your vehicle go where you want it to go. They are the brakes, the steering and the accelerator. All three systems have to do their work at the places where the tires meet - 2004 Buick Century | Owner's Manual - Page 172
engine stops, you will still have some power brake assist. But you will use it when you brake. Once the power assist is used up, it may take longer to stop and the brake pedal will be harder to push. Anti-lock Brake System (ABS) Your vehicle may have anti-lock brakes. ABS is an advanced electronic - 2004 Buick Century | Owner's Manual - Page 173
is about to stop rolling, the computer will separately work the brakes at each wheel. The anti-lock system can change the brake pressure faster than any driver could. The computer is programmed to make the most of available tire and road conditions. This can help you steer around the obstacle while - 2004 Buick Century | Owner's Manual - Page 174
retain steering control. If you do have anti-lock, it is different. See "Anti-Lock Brake System" in this section. In many emergencies, steering can help you more than even the very best braking. Using Anti-Lock Do not pump the brakes. Just hold the brake pedal down firmly and let anti-lock work for - 2004 Buick Century | Owner's Manual - Page 175
System Warning Light on page 3-34. Adjust your driving accordingly. You may feel or hear the system working, but this is normal. If the vehicle is in cruise control when the enhanced traction system begins to limit wheel spin, the cruise control will automatically disengage. When road conditions - 2004 Buick Century | Owner's Manual - Page 176
the tires meet the road. Unless you have four-wheel anti-lock brakes, adding the hard braking can demand too much of those places. You can lose control. Steering Power Steering If you lose power steering assist because the engine stops or the system is not functioning, you can steer but it will - 2004 Buick Century | Owner's Manual - Page 177
the time for evasive action - steering around the problem. Your vehicle can perform very well in emergencies like these. First apply your brakes - but, unless you have anti-lock, not enough to lock your wheels. See Braking on page 4-6. It is better to remove as much speed as you can from a possible - 2004 Buick Century | Owner's Manual - Page 178
decision. If you are holding the steering wheel at the recommended 9 and 3 o'clock positions, you can turn it a full 180 degrees very quickly without removing either hand. But you have to act fast, steer quickly, and just as quickly straighten the wheel once you have avoided the object. The fact - 2004 Buick Century | Owner's Manual - Page 179
for passing: • Watch for traffic signs, pavement markings and lines. If you can see a sign up ahead that might indicate a turn or an intersection, When it looks like a chance to pass is coming up, start to accelerate but stay in the right lane and do not get too close. Time your move so you will - 2004 Buick Century | Owner's Manual - Page 180
The vehicle you just passed may seem to be farther away from you than it really is.) Loss of Control Let us review what driving experts say about what happens when the three control systems (brakes, steering and acceleration) do not have enough friction where the tires meet the road to do what the - 2004 Buick Century | Owner's Manual - Page 181
the anti-lock braking system, remember: It helps avoid only the braking skid. If you do not have anti-lock, then in a braking skid (where the wheels are no longer rolling), release enough pressure on the brakes to get the wheels rolling again. This restores steering control. Push the brake pedal - 2004 Buick Century | Owner's Manual - Page 182
vehicles. • Slow down, especially on higher speed roads. Your headlamps can light up only so much road ahead. • In remote areas, watch for animals you are wise to wear sunglasses. Your eyes will have less trouble adjusting to night. But if you are driving, do not wear problems, or by fatigue. 4-16 - 2004 Buick Century | Owner's Manual - Page 183
. Keep your eyes moving; that way, it is easier to pick out dimly lighted objects. Just as your headlamps should be checked regularly for proper aim, so should to see in dim light - and are not even aware of it. Driving in Rain and on Wet Roads Rain and wet roads can mean driving trouble. On a wet - 2004 Buick Century | Owner's Manual - Page 184
tank filled with washer fluid. Replace your windshield wiper inserts when they some car washes can cause problems, too. The water may affect your brakes. Try to avoid puddles brakes can cause accidents. They will not work as well in a quick stop and may cause pulling to one side. You could lose control - 2004 Buick Century | Owner's Manual - Page 185
. Driving Through Deep Standing Water Notice: If you drive too quickly through deep puddles or standing water, water can come in through your engine's air intake and badly damage your engine. Never drive through water that is slightly lower than the underbody of your vehicle. If you can not avoid - 2004 Buick Century | Owner's Manual - Page 186
biggest problems with are going. Get a city map and plan your trip into an unknown part of the city just as you would for a cross-country trip. • . • Treat a green light as a warning signal. A traffic light is there because the corner is busy enough to need it. When a light turns green, and just - 2004 Buick Century | Owner's Manual - Page 187
flow. Try to merge into the gap at close to the prevailing speed. Switch on your turn signal, check your mirrors and glance over your shoulder as often speed to the posted limit or to the prevailing rate if it is slower. Stay in the right lane unless you want to pass. Before changing lanes, check your - 2004 Buick Century | Owner's Manual - Page 188
make too many miles that first part of the journey. Wear comfortable clothing service experts in GM dealerships all across North America. They will be ready and willing to help if you need it. • Lamps: Are they all working? Are the lenses clean? • Tires: They are vitally important to a safe, trouble - 2004 Buick Century | Owner's Manual - Page 189
Highway Hypnosis Is there actually such a condition as "highway hypnosis"? Or is it just plain falling asleep and your instruments frequently. • If you get sleepy, pull off the road into a rest, service or parking area and take a nap, get some exercise, or both. For safety, treat drowsiness on the highway - 2004 Buick Century | Owner's Manual - Page 190
tips that can make your trips safer and more enjoyable. • Keep your vehicle in good shape. Check all fluid levels and also the brakes, tires, cooling system and transaxle. These parts can work hard on mountain roads. • Know how to go down hills. The most important thing to know is this: let your - 2004 Buick Century | Owner's Manual - Page 191
not work well. You would then have poor braking or even none going down a hill. You could , and you can climb the hill better. • Stay in your own lane when driving on two-lane may see highway signs on mountains that warn of special problems. Examples are long grades, passing or no-passing zones - 2004 Buick Century | Owner's Manual - Page 192
shovel, a flashlight, a red cloth and a couple of reflective warning triangles. And, if you will be driving under severe conditions, include a small bag of sand, a piece of old carpet or a couple of burlap bags to help provide traction. Be sure you properly secure these items in your vehicle. 4-26 - 2004 Buick Century | Owner's Manual - Page 193
on. But wet ice can be even more trouble because it may offer the least traction of all conditions. See Enhanced Traction System (ETS) on page 4-9. Unless you have the anti-lock braking system, you will want to brake very gently, too. (If you do have anti-lock, see Braking on page 4-6. This system - 2004 Buick Century | Owner's Manual - Page 194
Remember, unless you have anti-lock, if you brake so hard that your wheels stop rolling, you will just slide. Brake so your wheels always keep rolling and you can still steer. If You Are Caught in a Blizzard • Whatever your braking system, allow greater following distance on any slippery road. • - 2004 Buick Century | Owner's Manual - Page 195
no blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, floor mats - anything vehicle. Clear away snow from around the base of your vehicle, especially any that is get and it keeps the battery charged. You will need a well-charged battery to restart the vehicle, and - 2004 Buick Century | Owner's Manual - Page 196
explode, and you or others could be injured. And, the transaxle or other parts of the vehicle can overheat. That could cause an engine compartment fire or km/h) as shown on the speedometer. Notice: Spinning your wheels can destroy parts of your vehicle as well as the tires. If you spin the wheels - 2004 Buick Century | Owner's Manual - Page 197
System will be turned off in FIRST (1) or SECOND (2) gear. Spin the wheels as little as possible. Release the accelerator pedal while you shift, and press lightly Towing Towing Your Vehicle Consult your dealer or a professional towing service if you need to have your disabled vehicle towed. See - 2004 Buick Century | Owner's Manual - Page 198
Recreational Vehicle Towing Recreational vehicle towing means towing your vehicle behind another vehicle - such as behind a motorhome. The two most common types of recreational vehicle towing are known as dinghy towing, towing the vehicle with all four wheels on the ground, and dolly towing, towing - 2004 Buick Century | Owner's Manual - Page 199
wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by your warranty. Do not tow your vehicle gear shift lever in PARK (P). 3. Set the parking brake and then remove the ignition key. 4. Clamp the steering wheel in a straight-ahead position. 5. Release - 2004 Buick Century | Owner's Manual - Page 200
heavier than the GVWR, or either the maximum front or rear 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. Example 1 A. Vehicle Capacity Weight - 2004 Buick Century | Owner's Manual - Page 201
capacity weight. If your vehicle has the Tire and Loading Information label, Example 1, the label is attached to the center pillar, near the driver's door latch. If your vehicle has the Tire-Loading Information label, Example 2, the label is on the inside trunk lid. The Tire and Loading Information - 2004 Buick Century | Owner's Manual - Page 202
Steps for Determining Correct Load Limit 1. Locate the statement "The combined weight of occupants towing a trailer, the load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of your vehicle. If - 2004 Buick Century | Owner's Manual - Page 203
Example 2 Example 3 Loading Your Vehicle Item A B C Description Vehicle Capacity Weight for Example 2 = Subtract Occupant Weight @ 150 lbs (68 kg) x 5 = Available Cargo Weight = Total 1,000 lbs (453 kg) 750 lbs (340 kg) 250 lbs (113 kg) Item A B C Loading Your Vehicle Description Vehicle Capacity - 2004 Buick Century | Owner's Manual - Page 204
fication label, found on the rear edge of the driver's door tells the gross weight capacity of the vehicle, called the Gross rear 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 - 2004 Buick Century | Owner's Manual - Page 205
and drive properly, you can lose 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 - 2004 Buick Century | Owner's Manual - Page 206
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 kg). But even that can be too heavy. • Consider using a sway control. Ask a hitch dealer about sway - 2004 Buick Century | Owner's Manual - Page 207
on any special equipment that is on the vehicle. Ask your dealer for our trailering information or advice, or you can write us at: Buick Customer Assistance Center P.O. Box 33136 Detroit, MI 48232-5136 In Canada, write to: General Motors of Canada Limited Customer Communication Centre, 163-005 1908 - 2004 Buick Century | Owner's Manual - Page 208
from the hitch. Instructions about safety chains may Brakes Because the vehicle has anti-lock brakes, do not try to tap into the vehicle's brake system. If that is done, both brake systems body of the vehicle to install a trailer hitch, then be sure to seal the holes later when the hitch is removed - 2004 Buick Century | Owner's Manual - Page 209
brake controller by hand to be sure the brakes are working. This lets you check the electrical connection at the same time. During your trip, check occasionally to be sure that the load is secure, and that the lamps and any trailer brakes are still advance. Following Distance Stay at least twice as - 2004 Buick Century | Owner's Manual - Page 210
different turn signal flasher and/or extra wiring. Check with your dealer. The arrows on to check occasionally to be sure the trailer bulbs are still working. Parking on Hills {CAUTION: You really should , here is how to do it: 1. Apply the regular brakes, but do not shift into PARK (P) yet. 2. Have - 2004 Buick Century | Owner's Manual - Page 211
1. Apply the regular brakes and hold the pedal down while you: Maintenance When Trailer Towing The vehicle will need service more often when it pulls overfilled; engine oil, drive belt, cooling system, and brake system. Each of these is covered in this manual, and the Index will help you find them - 2004 Buick Century | Owner's Manual - Page 212
✍ NOTES 4-46 - 2004 Buick Century | Owner's Manual - Page 213
Compartment Overview ...5-12 Engine Oil ...5-13 Engine Air Cleaner/Filter ...5-18 Automatic Transaxle Fluid ...5-19 Engine Coolant ...5-22 Radiator Pressure Cap ...5-25 Engine Overheating ...5-25 Cooling System ...5-28 Power Steering Fluid ...5-35 Windshield Washer Fluid ...5-36 Brakes ...5-38 5-1 - 2004 Buick Century | Owner's Manual - Page 214
96 Vehicle Identification Number (VIN) ...5-96 Service Parts Identification Label ...5-96 Electrical System ...5-97 Add-On Electrical Equipment ...5-97 Headlamp Wiring ...5-97 Windshield Wiper Fuses ...5-97 Power Windows and Other Power Options ...5-97 Fuses and Circuit Breakers ...5-97 Capacities - 2004 Buick Century | Owner's Manual - Page 215
. To order the proper service manual, see Service Publications Ordering Information on page 7-11. Your vehicle has an air bag system. Before attempting to do your own service work, see Servicing Your Air Bag-Equipped Vehicle on page 1-58. You should keep a record with all parts receipts and list the - 2004 Buick Century | Owner's Manual - Page 216
easily confused. If you use the wrong fasteners, parts can later break or fall off. You could be normal. This does not indicate a problem exists or that a higher-octane fuel service. Adding Equipment to the Outside of Your Vehicle Things you might add to the outside of your vehicle can affect the air - 2004 Buick Century | Owner's Manual - Page 217
operate satisfactorily on fuels meeting federal specifications, but emission control system performance may be affected. The malfunction indicator lamp may turn . If it is determined that the condition is caused by the type of fuel used, repairs may not be covered by your warranty. Canada Only 5-5 - 2004 Buick Century | Owner's Manual - Page 218
your vehicle experiences problems due to dirty contribute to clean air. General Motors parts in your fuel system and also damage the plastic and rubber parts control system may be affected. The malfunction indicator lamp may turn on. If this occurs, return to your authorized GM dealer for service - 2004 Buick Century | Owner's Manual - Page 219
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. to refuel. The tethered fuel cap is located behind a hinged door on the driver's side of the vehicle. To remove the fuel cap, turn it slowly counterclockwise - 2004 Buick Century | Owner's Manual - Page 220
. Be careful not to spill fuel. Do not top off or overfill the fuel tank. Wait a few seconds after filling the fuel tank before removing the fuel pump nozzle. Clean fuel from painted surfaces as soon as possible. See Cleaning the Outside of Your Vehicle on page 5-91. While refueling - 2004 Buick Century | Owner's Manual - Page 221
while pumping gasoline. {CAUTION: If a fire starts while you are refueling, do not remove the nozzle. Shut off the flow of fuel by shutting off the pump or by malfunction indicator lamp to light and may damage your fuel tank and emissions system. See Malfunction Indicator Lamp on page 3-36. 5-9 - 2004 Buick Century | Owner's Manual - Page 222
hood, do the following: 1. Pull the interior hood release handle located below the instrument panel, to the left of the steering column. : 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 - 2004 Buick Century | Owner's Manual - Page 223
2. Push the secondary hood release, located under the hood, to the right to disengage it. 3. Lift the hood. Before closing the hood, make sure all of the filler caps are properly secured. Pull the hood down and close it firmly. 5-11 - 2004 Buick Century | Owner's Manual - Page 224
Engine Compartment Overview When you open the hood, you will see: 5-12 - 2004 Buick Century | Owner's Manual - Page 225
Oil on page 5-13. K. Automatic Transaxle Fluid Dipstick. See Automatic Transaxle Fluid on page 5-19. L. Brake Fluid Reservoir. See Brakes on page 5-38. M. Engine Air Cleaner/Filter. See Engine Air Cleaner/Filter on page 5-18. Engine Oil Checking Engine Oil It is a good idea to check your engine oil - 2004 Buick Century | Owner's Manual - Page 226
above the cross-hatched area that shows the proper operating range, your engine could be damaged. See Engine Compartment Overview on page 5-12 for the location of the engine oil fill cap. Be sure to add enough oil to put the level somewhere in the proper operating range in the cross - 2004 Buick Century | Owner's Manual - Page 227
• SAE 5W-30 As shown in the viscosity chart, SAE 5W-30 is best for your vehicle. However, if it is going to be 0°F (-18°C) or above and SAE 5W-30 is not available, you may use SAE 10W-30. These numbers on an oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE - 2004 Buick Century | Owner's Manual - Page 228
oil and filter must be changed at least once a year and at this time the system must be reset. Your dealer has GM-trained service people who will perform this work using genuine GM parts and reset the system. It is also important to check your oil regularly and keep it at the proper - 2004 Buick Century | Owner's Manual - Page 229
it in the trash, pouring it on the ground, into sewers, or into streams or bodies of water. Instead, recycle it by taking it to a place that collects used oil. If you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. 5-17 - 2004 Buick Century | Owner's Manual - Page 230
When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at every oil change and replace at the first oil change after 25,000 miles (40 000 km). How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter remove it from the vehicle and lightly shake the filter to - 2004 Buick Century | Owner's Manual - Page 231
can easily get into your engine, which will damage it. Always have the air cleaner/filter in place when you are driving. When to Check and Change A Uses such as found in taxi, police or delivery service. If the vehicle is not used under any of these conditions, change the fluid and filter at 100,000 - 2004 Buick Century | Owner's Manual - Page 232
sure to follow all the instructions here, or you could get a false reading on the dipstick. Notice: Too much or too little fluid can damage the transaxle. Too much can mean that some of the fluid could come out and fall on hot engine or exhaust system parts, starting a fire. Too little fluid - 2004 Buick Century | Owner's Manual - Page 233
the rear of the engine. See Engine Compartment Overview on page 5-12 for more information on location. 4. If the fluid level is in the acceptable range, push the dipstick back in all the way. How to Add Fluid Refer to the Maintenance - 2004 Buick Century | Owner's Manual - Page 234
system and how to add coolant when it is low. If there is a problem parts. If this coolant mixture is used, nothing else needs to be added. {CAUTION: Adding only plain water to your cooling system engine temperature. Let the warning lights and gages work as they repairs would not be covered by your - 2004 Buick Century | Owner's Manual - Page 235
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 . If coolant has to be added more than four times a year, have your dealer check the cooling system recovery tank is located on the passenger's - 2004 Buick Century | Owner's Manual - Page 236
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 5-28. {CAUTION: Turning the radiator pressure cap - 2004 Buick Century | Owner's Manual - Page 237
severely degraded. Repair the cause of coolant loss, change the oil and reset the oil life system. See Engine Oil on page 5-13. Engine Overheating The coolant temperature gage and the engine coolant temperature warning light on the instrument panel can indicate an overheated engine condition. See - 2004 Buick Century | Owner's Manual - Page 238
from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. CAUTION: with no coolant, your vehicle can be badly damaged. The costly repairs would not be covered by your warranty. See "Overheated Engine Protection - 2004 Buick Century | Owner's Manual - Page 239
are parked. If the warning still exists, turn off the engine and get everyone out of the vehicle until it cools down. Also, see "Overheated Engine Protection Operating Mode" listed previously in this section. You may decide not to lift the hood but to get service help right away. Climbs a long - 2004 Buick Century | Owner's Manual - Page 240
Cooling System When it is safe to lift the hood, this is what will be seen: {CAUTION: An electric engine cooling fan under the hood can start - 2004 Buick Century | Owner's Manual - Page 241
pump, or somewhere else in the cooling system. If there seems to be no leak are not the vehicle needs service. Notice: Engine damage from 24 months, whichever occurs first. Any repairs would not be covered by your warranty Heater and radiator hoses, and other engine parts, can be very hot. Do not touch - 2004 Buick Century | Owner's Manual - Page 242
Add Coolant to the Coolant Recovery Tank If a problem has not been found yet, but the coolant level engine, radiator, heater core and other parts. Use the recommended coolant and the proper coolant mixture. {CAUTION: Adding only plain water to your cooling system can be dangerous. Plain water, or - 2004 Buick Century | Owner's Manual - Page 243
that can be done. Add the proper coolant mixture directly to the radiator, but be sure the cooling system is cool before this is done. {CAUTION: Steam and scalding liquids from a hot cooling system can blow out and burn you badly. They are under pressure, and if you turn the radiator pressure - 2004 Buick Century | Owner's Manual - Page 244
pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. If a hiss is heard, wait for it to stop. A hiss means there is still some pressure left. 2. Keep turning the pressure cap, but now push down as you turn it. Remove the pressure cap - 2004 Buick Century | Owner's Manual - Page 245
3. After the engine cools, open the coolant air bleed valves. There are two bleed valves. One is located on the thermostat housing. 4. Fill the radiator with the proper DEX-COOL® coolant mixture, up to the base of the filler neck. See Engine Coolant on page 5-22 for more information about the proper - 2004 Buick Century | Owner's Manual - Page 246
be lower. If the level is lower, add more of the proper DEX-COOL® coolant mixture through the filler neck until the level reaches the base of the filler neck. 5-34 - 2004 Buick Century | Owner's Manual - Page 247
the pressure cap lines up like this. 11. Check the coolant in the recovery tank. The level in the coolant recovery tank should be at the HOT mark when the engine is hot or at the COLD mark when the engine is cold. The power steering fluid reservoir is located at the back - 2004 Buick Century | Owner's Manual - Page 248
Steering Fluid It is not necessary to regularly check power steering fluid unless there appears to be a leak in the system or an unusual noise is heard. A fluid loss in this system could indicate a problem. Have the system inspected and repaired. What to Use To determine what kind of fluid to use - 2004 Buick Century | Owner's Manual - Page 249
location. Notice: • 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 - 2004 Buick Century | Owner's Manual - Page 250
you will have too much fluid when you get new brake linings. You should add (or remove) brake fluid, as necessary, only when work is done on the brake hydraulic system. {CAUTION: Your brake master cylinder reservoir is filled with DOT-3 brake fluid. See Engine Compartment Overview on page 5-12 for the - 2004 Buick Century | Owner's Manual - Page 251
removing it. This will help keep dirt from entering the reservoir. • Using the wrong fluid can badly damage brake system parts. For example, just a few drops of mineral-based oil, such as engine oil, in your brake system can damage brake system parts so badly that they will have to be replaced - 2004 Buick Century | Owner's Manual - Page 252
moving (except when you are pushing on the brake pedal firmly). Notice: Continuing to drive with worn-out brake pads could result in costly brake repair. Some driving conditions or climates may cause a brake squeal when the brakes are first applied or lightly applied. This does not mean something is - 2004 Buick Century | Owner's Manual - Page 253
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 GM brake parts. When you replace parts of your braking system - for example, when your brake linings wear down and you need new ones put in - be sure you get new - 2004 Buick Century | Owner's Manual - Page 254
the electrical systems. To avoid the possibility of the vehicles rolling, set the parking brake firmly on both vehicles involved in the jump start procedure. Put an automatic transaxle in PARK (P)or a manual transmission in NEUTRAL (N) before setting the parking brake. {CAUTION: Batteries can hurt - 2004 Buick Century | Owner's Manual - Page 255
Unplug unnecessary accessories plugged into the cigarette lighter or in the auxiliary power outlet. Turn off the radio and all lamps that are not needed. This will avoid sparks and help save both batteries. And it could save the vehicle's radio! 4. Open the hoods and locate the batteries. Find the - 2004 Buick Century | Owner's Manual - Page 256
blinded. Use a flashlight if you need more light. Be sure the battery has enough water. You do not need to add water to the ACDelco® battery installed in your new vehicle. But if a battery CAUTION: (Continued) {CAUTION: Fans or other moving engine parts can injure you badly. Keep your hands away - 2004 Buick Century | Owner's Manual - Page 257
Do not connect positive (+) to negative (−) or you will get a short that would damage the 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. 6. Connect the red positive (+) cable to the positive - 2004 Buick Century | Owner's Manual - Page 258
one. 8. Now connect the negative (−) cable to the negative (−) terminal of the good battery. Use a remote negative (−) terminal if the vehicle has one. Do not let the not go to the dead battery. It goes to a heavy, unpainted metal part, or to the remote negative (−) terminal on the vehicle with the - 2004 Buick Century | Owner's Manual - Page 259
other end of the negative (−) cable at least 18 inches (45 cm) away from the dead battery, but not near engine parts that move. The electrical connection is just as good there, and the chance of sparks getting back to the battery is much less. 10. Now start the vehicle with the good - 2004 Buick Century | Owner's Manual - Page 260
may occur and damage the vehicle. The repairs would not be covered by your warranty. Remove the jumper cables in the correct order, making its original position. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (−) Terminal B. Good Battery or Remote Positive (+) and - 2004 Buick Century | Owner's Manual - Page 261
we recommend that you take it to your dealer for service; however, it is possible for you to re-aim the all the instructions before beginning. Failure to follow these instructions could cause damage to headlamp parts. To all doors. • Tires should be properly inflated. • Rock the vehicle to stabilize - 2004 Buick Century | Owner's Manual - Page 262
Vertical Aim Adjustment Screw B. Horizontal Aim Adjustment Screw Open the hood and locate the vertical and horizontal aim indicators. The aiming screw for the vertical the horizontal aiming screw until the indicator is lined up with zero. 2. Turn the vertical aiming screw until the level bubble is - 2004 Buick Century | Owner's Manual - Page 263
not listed in this section, contact your dealer. For the type of bulb, see Replacement Bulbs on page 5-55. Headlamps 1. Open the hood. Halogen Bulbs {CAUTION: Halogen Be sure to read and follow the instructions on the bulb package. 2. Pull up on the headlamp retainers (A) to release the assembly - 2004 Buick Century | Owner's Manual - Page 264
Reverse Steps 1 through 3 to reinstall the lamp assembly. 5. Remove the rubber access cover from behind the bulb being replaced. 6. Turn the bulb socket one-quarter turn and remove it from the headlamp assembly. 7. Lift the plastic locking tab on the electrical connector and pull the connector from - 2004 Buick Century | Owner's Manual - Page 265
Center High-Mounted Stoplamp (CHMSL) 1. Open the trunk. 3. Remove the old bulb by turning it counterclockwise one-quarter turn. 4. Push the new bulb into the bulb socket. 2. Reach through the access opening in the trunk lid. 5. Turn the socket clockwise one-quarter turn to reinstall. 5-53 - 2004 Buick Century | Owner's Manual - Page 266
the convenience net If the vehicle has one. 3. Remove the three plastic wing nuts (A). One wing nut is located on top of the carpet. The other two are located underneath the carpet. 4. Pull the taillamp housing (B) away from the body of the vehicle. 5. Squeeze the tab on the socket and turn the - 2004 Buick Century | Owner's Manual - Page 267
covering. 8. Reverse Steps 2 and 3 to reinstall the lamp covering. Replacement Bulbs Exterior Lamps Back-Up Lamps Center High-Mounted Stoplamp (CHMSL) Front Headlamps 1. Open the trunk. 2. Remove the seven hex nuts (A) from the lamp covering. 3. Remove the lamp covering. Taillamps and Stoplamps/ - 2004 Buick Century | Owner's Manual - Page 268
point and slide the blade assembly down toward the glass to remove it from the wiper arm. 5. Slide the new wiper blade securely on the wiper arm until you hear the release clip click into place. See Normal Maintenance Replacement Parts on page 6-13 for the type of windshield wiper blades to - 2004 Buick Century | Owner's Manual - Page 269
about your tire warranty and where to obtain service, see your GM Warranty booklet for details booklet included with your vehicle's Owner's Manual. {CAUTION: Poorly maintained and improperly used result of too much friction. You could have an air-out and a serious accident. See "Loading Your Vehicle - 2004 Buick Century | Owner's Manual - Page 270
Tire Sidewall Labeling Useful information about a tire is molded into its sidewall. The examples below show a typical passenger car tire and a compact spare tire sidewall. Passenger Car Tire Example 5-58 - 2004 Buick Century | Owner's Manual - Page 271
height, aspect ratio, construction type and service description. See the "Tire Size" illustration manufacturers are required to grade tires based on three performance factors: treadwear, can be carried and the maximum pressure needed to support that load. For more information on recommended tire - 2004 Buick Century | Owner's Manual - Page 272
The compact spare tire is for emergency use when a regular road tire has lost air and gone flat. See Compact Spare Tire on page 5-87 and If a Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load. See Compact Spare Tire on page 5-87 and Loading Your Vehicle - 2004 Buick Century | Owner's Manual - Page 273
guidelines. (A) P-Metric Tire: The United States version of a metric tire sizing system. The letter "P" as the first character in the tire size means a . (E) Rim Diameter: Diameter of the wheel in inches. (F) Service Description: These characters represent the load range and the speed rating - 2004 Buick Century | Owner's Manual - Page 274
. 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's height to its width. Belt: A rubber coated layer of cords that is located between the plies and the - 2004 Buick Century | Owner's Manual - Page 275
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 and some light duty trucks the tread. Rim: A metal support for a tire and upon which - 2004 Buick Century | Owner's Manual - Page 276
a tire information system that provides consumers tire due to curb weight, accessory weight, occupant weight and cargo Your Vehicle on page 4-34, for the location of your vehicle's tire and loading information label not. If your tires don't have enough air (underinflation), you can get the following - 2004 Buick Century | Owner's Manual - Page 277
system can alert you if a tire is low - but it does not replace normal tire maintenance. See Tires on page 5-57. When the LOW TIRE light driven no more than 1 mile (1.6 km). Remove the valve cap from the tire valve stem. air until you reach the recommended amount. If you overfill the tire, release air - 2004 Buick Century | Owner's Manual - Page 278
more tires is repaired or replaced, the tire inflation monitor system will need to be reset. The system also needs to be reset when new tires are purchased and if the vehicle's battery has been disconnected. To reset the system: 1. Turn the ignition to RUN. 2. Remove the passenger's side instrument - 2004 Buick Century | Owner's Manual - Page 279
Tires on page 5-68 and Wheel Replacement on page 5-72 for more information Inflation Monitor System. See Tire Pressure Monitor System on page 5- parts to which it is fastened, can make wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove - 2004 Buick Century | Owner's Manual - Page 280
deep enough to show cord or fabric. • The tire has a bump, bulge or split. • The tire has a puncture, cut or other damage that can't be repaired well because of the size or location of the damage. 5-68 - 2004 Buick Century | Owner's Manual - Page 281
For more information about this label and its location on your vehicle, see Loading Your Vehicle on range, traction, ride and other things during normal service on your vehicle. If your tires have an CAUTION: Mixing tires could cause you to lose control while driving. If you mix tires of different - 2004 Buick Century | Owner's Manual - Page 282
based on the wear rate of the tire when tested under controlled conditions service practices and differences in road characteristics and climate. Treadwear 200 Traction AA Temperature A The following information relates to the system General Motors passenger cars and light trucks may vary with - 2004 Buick Century | Owner's Manual - Page 283
(the highest), B, and C, representing the tire's resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce tire life - 2004 Buick Century | Owner's Manual - Page 284
make your tires lose air and make you lose control. You could have a collision in which you or others could be injured. Always use the correct wheel, wheel bolts and wheel nuts for replacement. Notice: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer - 2004 Buick Century | Owner's Manual - Page 285
tightly as possible with the ends securely fastened. Drive slowly and follow the chain manufacturer's instructions. If you can hear the chains contacting your vehicle, stop and retighten them. If suddenly and cause a crash. If you have to replace a wheel, use a new GM original equipment wheel. 5-73 - 2004 Buick Century | Owner's Manual - Page 286
your tires properly. If air goes out of a remove your foot from the accelerator pedal. Get the vehicle under control by steering the way you want the vehicle to go. It may be very bumpy and noisy, but you can still steer. Gently brake part shows how to use your jacking equipment to change a flat tire - 2004 Buick Century | Owner's Manual - Page 287
people. You and they could be badly injured. 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. To be even more certain the vehicle won't move, you can put blocks at - 2004 Buick Century | Owner's Manual - Page 288
Tire and Tools The equipment you will need is in the trunk. 1. Turn the center nut on the compact spare tire cover counterclockwise to remove it. Then lift and remove the cover. See Compact Spare Tire on page 5-87 for more information about the compact spare tire. 2. Remove the spare tire. 5-76 - 2004 Buick Century | Owner's Manual - Page 289
3. Turn the nut holding the jack counterclockwise and remove it. Then remove the jack and wrench. The tools you will be using include the jack (A), extension and protection guide (B) and wheel wrench (C). 5-77 - 2004 Buick Century | Owner's Manual - Page 290
the plastic wheel nut caps. Once the plastic nut caps have been loosened with the wheel wrench, finish loosening them with your fingers. Removing the Wheel Center Caps To remove a center cap, use the wrench to pry gently at the notch. Do not use a tool that is narrower than the wrench to - 2004 Buick Century | Owner's Manual - Page 291
Installing the Spare Tire 1. Using the wheel wrench, loosen all the wheel nuts, but do not remove them yet. 2. Turn the jack handle clockwise to raise the jack lift head. 3. For jacking at the vehicle's front location, put the jack lift head (C) about 6 inches (15 cm) from the rear edge of the - 2004 Buick Century | Owner's Manual - Page 292
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: For jacking at the vehicle's rear location, put the jack lift head (B) about 5 inches (13 cm) from the front edge of the rear wheel opening (C) or just - 2004 Buick Century | Owner's Manual - Page 293
5. Raise the vehicle by turning the jack handle clockwise. Raise the vehicle far enough off the ground for the spare compact tire to fit underneath the wheel well. 6. Remove all wheel nuts and take off the flat tire. 5-81 - 2004 Buick Century | Owner's Manual - Page 294
wheel. {CAUTION: Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from the places where the wheel attaches to - 2004 Buick Century | Owner's Manual - Page 295
8. Install the compact spare tire. 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. 9. Lower the vehicle by turning the jack handle counterclockwise. Lower the jack completely. 5-83 - 2004 Buick Century | Owner's Manual - Page 296
Improperly tightened wheel nuts can lead to brake pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the Store the wheel cover in the trunk until you have the flat tire repaired or replaced. Notice: Wheel covers will not fit on your compact spare. If you - 2004 Buick Century | Owner's Manual - Page 297
the trunk. Use the following procedure to secure the flat tire in the trunk. When storing a full-size tire, use the extension with the protector, located in the foam holder, to help avoid wheel surface damage. To store a full-size tire, place the tire valve stem facing down, and then - 2004 Buick Century | Owner's Manual - Page 298
storing a compact spare tire in the trunk, put the protector/guide back in the foam holder. {CAUTION: Storing a jack, a 87. See the storage instructions label to return the compact spare to the trunk properly. Be sure to calibrate low tire inflation system after you replace the compact spare tire - 2004 Buick Century | Owner's Manual - Page 299
or removing the compact spare. See Tire Pressure Monitor System on page 5-65. Notice: When the compact spare is installed, don't 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 - 2004 Buick Century | Owner's Manual - Page 300
match or get them on a hot part of the vehicle. Some are dangerous if manufacturer's warnings and instructions. And always open your doors or windows when you are cleaning the inside. Never use these to clean your vehicle: Do not use any of these unless this manual Remover - 2004 Buick Century | Owner's Manual - Page 301
Problems Stains caused by such things as catsup, coffee (black), egg, fruit, fruit juice, milk, soft drinks, vomit, urine and blood can be removed as follows: 1. Carefully scrape off excess stain, then sponge the soiled area with cool water. 2. If a stain remains, follow the cleaning instructions - 2004 Buick Century | Owner's Manual - Page 302
through the windshield under certain conditions. • Rub with a clean, damp cloth to remove dirt. You may have to • Never use oils, varnishes, solvent-based or abrasive cleaners, furniture polish or shoe the rear window defogger and the integrated radio antenna. When cleaning the glass on your vehicle, - 2004 Buick Century | Owner's Manual - Page 303
use strong soaps or chemical detergents. Be sure to rinse the vehicle well, removing all soap residue completely. You can get GM-approved cleaning products from your on page 5-95. Do not use cleaning agents that are petroleum based, or that contain acid or abrasives. All cleaning agents should be - 2004 Buick Century | Owner's Manual - Page 304
washing soap to clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." on painted surfaces. Wash -abrasive cleaners that are marked safe for painted surfaces to remove foreign matter. Exterior painted surfaces are subject to aging, replace blades that look worn. 5-92 - 2004 Buick Century | Owner's Manual - Page 305
If your vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection. Original manufacturer replacement parts will provide the corrosion protection while maintaining the - 2004 Buick Century | Owner's Manual - Page 306
removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, floor pan and exhaust system will repair, at no charge to the owner, the surfaces of new vehicles damaged by this fallout condition within - 2004 Buick Century | Owner's Manual - Page 307
(cont'd) Usage Removes swirl marks, fine scratches and other Swirl Remover Polish light surface contamination. Removes light scratches Cleaner Wax and Wire Wheel Cleaner Usage Interior and exterior polishing cloth. Removes tar, road oil and asphalt. Use on chrome or stainless steel. Removes soil - 2004 Buick Century | Owner's Manual - Page 308
fications and replacement parts. Service Parts Identification Label This label is located on the inside of the trunk lid. It is very helpful if parts need to vehicle. The VIN also appears on the Vehicle Certification and Service Parts labels and the certificates of title and registration. The VIN - 2004 Buick Century | Owner's Manual - Page 309
-on electrical equipment can keep other components from working as they should. The vehicle has an air bag system. Before attempting to add anything electrical to the vehicle, see Servicing Your Air Bag-Equipped Vehicle on page 1-58. Windshield Wiper Fuses The windshield wiper motor is protected by - 2004 Buick Century | Owner's Manual - Page 310
Instrument Panel Fuse Block Some fuses are located in a fuse block on the passenger's side of the instrument panel. Pull off the cover labeled FUSES to expose the fuse block. 5-98 - 2004 Buick Century | Owner's Manual - Page 311
Stoplamps OnStar® Parking Lamps Not Used Crank Signal, Body Control Module, Cluster, Powertrain Control Module Ignition Signal, Heating, Ventilation, HVAC and Air Conditioning Control Head BTSI (REGAL) Not Used AIR BAG Air Bag BCM PWR Body Control Module 5-99 Fuses Blank Blank Blank ACCY PWR BUS - 2004 Buick Century | Owner's Manual - Page 312
Used Blank Not Used Ignition Signal: Hot in ACCESSORY BCM ACCY and RUN, Body Control Module Blank Not Used LOW BLWER Low Blower ABS Anti-Lock Brakes TRN SIG Turn Signals, Cornering Lamps RADIO, Radio, Heating Ventilation and Air HVAC, RFA, Conditioning Head; Remote Keyless CLSTR ALDL Entry, Cluster - 2004 Buick Century | Owner's Manual - Page 313
High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks Ignition Switch, Stoplamps, Anti-Lock Brake System, Turn Signals, Cluster, Air Bag, Daytime Running Lamps Module Cooling Fan Retained Accessory Power, Remote Keyless Entry, Data Link, Heating, Ventilation, and Air Conditioning Head - 2004 Buick Century | Owner's Manual - Page 314
Lamps Fuel Pump Left Headlamp Not Used Not Used Not Used Not Used Not Used Not Used Not Used Air Conditioner Compressor Clutch Diode Engine Control Module Air Conditioner Compressor Clutch Cooling Fan Electronic Ignition Transaxle Horn Fuel Injector Oxygen Sensor Engine Emissions Fog Lamps Right - 2004 Buick Century | Owner's Manual - Page 315
Air Conditioning Refrigerant R134a Automatic Transaxle Pan Removal and Replacement After Complete Overhaul When draining/replacing converter, more fluid will be needed. Cooling System Including Reservoir Engine Oil with Filter level, as recommended in this manual. Engine Specifications Engine 3100 V6 - 2004 Buick Century | Owner's Manual - Page 316
✍ NOTES 5-104 - 2004 Buick Century | Owner's Manual - Page 317
...6-8 At Least Once a Month ...6-9 At Least Once a Year ...6-9 Recommended Fluids and Lubricants ...6-12 Normal Maintenance Replacement Parts ...6-13 Engine Drive Belt Routing ...6-14 Maintenance Record ...6-15 Maintenance Schedule ...6-2 Introduction ...6-2 Maintenance Requirements ...6-2 Your - 2004 Buick Century | Owner's Manual - Page 318
questions on how to keep your vehicle in good condition, see your GM Goodwrench dealer. Maintenance Requirements 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 - 2004 Buick Century | Owner's Manual - Page 319
condition. The proper replacement parts, fluids and lubricants to use are listed in Recommended Fluids and Lubricants on page 6-12 and Normal Maintenance Replacement Parts on page 6-13. When your vehicle is serviced, make sure these are used. All parts should be replaced and all necessary repairs - 2004 Buick Century | Owner's Manual - Page 320
When the CHANGE OIL SOON light comes on, it means that service is required for your vehicle. Have your vehicle serviced as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best conditions, the engine oil life system may not indicate that - 2004 Buick Century | Owner's Manual - Page 321
. See footnote (k). Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air Cleaner/Filter on page 5-18. An Emission Control Service. See footnote †. Rotate tires and check inflation pressures and wear. See Tires on page 5-57. Inspect brake system. See footnote (a). Check engine - 2004 Buick Century | Owner's Manual - Page 322
Air Cleaner/Filter on page 5-18. An Emission Control Service. Change automatic transaxle fluid and filter (severe service). See footnote (h). Change automatic transaxle fluid and filter (normal service). Replace spark plugs and inspect spark plug wires. An Emission Control Service. Engine cooling system - 2004 Buick Century | Owner's Manual - Page 323
. Also look for any opened or broken air bag coverings, and have them repaired or replaced. (The air bag system does not need regular maintenance.) (f) Lubricate all key lock cylinders. Lubricate all hinges and latches, including those for the body doors, hood, secondary latch, pivots, spring anchor - 2004 Buick Century | Owner's Manual - Page 324
or more of these conditions: − In heavy city parts. Replace parts as needed. Replace any components that have high effort or excessive wear. 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 - 2004 Buick Century | Owner's Manual - Page 325
At Least Once a Year Starter Switch Check Windshield Washer Fluid Level Check Firmly apply both the parking brake and the regular brake. See Parking Brake on page 2-25 if necessary Service Clean cassette tape player. Cleaning should be done every 50 hours of tape play. See Audio System(s) on - 2004 Buick Century | Owner's Manual - Page 326
Automatic Transaxle Shift Lock Control System Check {CAUTION: When you are doing this inspection, dealer for service. Ignition Transaxle Lock Check While parked, and with the parking brake set, try to turn the ignition key to LOCK in each shift lever position. • The key should turn to LOCK only - 2004 Buick Century | Owner's Manual - Page 327
in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only. • To check release the parking brake followed by the regular brake. Contact your GM Goodwrench dealer if service is required. Underbody Flushing Service At least - 2004 Buick Century | Owner's Manual - Page 328
Fluid/Lubricant Power Steering GM Power Steering Fluid (GM Part No. U.S. 89021184, System in Canada 89021186). Automatic Transaxle Key Lock Cylinders Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl Hood and Door Hinges Weatherstrip Conditioning DEXRON®-III Automatic - 2004 Buick Century | Owner's Manual - Page 329
specification can be obtained from your dealer. Normal Maintenance Replacement Parts Part Engine Air Cleaner/Filter Engine Oil Filter Passenger Compartment Air Filter Spark Plugs Gap Windshield Wiper Blades Type Length GM Part Number 24508572 25010792 10406026 12568387 .060 inches (56.0 cm) 22143943 - 2004 Buick Century | Owner's Manual - Page 330
Engine Drive Belt Routing 6-14 - 2004 Buick Century | Owner's Manual - Page 331
performed in the boxes provided. See Maintenance Requirements on page 6-2 in this section. Any additional information from Owner Checks and Services on page 6-8 can be added on the following record pages. Also, you should retain all maintenance receipts. Maintenance Record Date Odometer Reading - 2004 Buick Century | Owner's Manual - Page 332
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-16 - 2004 Buick Century | Owner's Manual - Page 333
...7-10 Reporting Safety Defects to the Canadian Government ...7-10 Reporting Safety Defects to General Motors ...7-11 Service Publications Ordering Information ...7-11 Customer Assistance and Information ...7-2 Customer Satisfaction Procedure ...7-2 Online Owner Center ...7-3 Customer Assistance - 2004 Buick Century | Owner's Manual - Page 334
has already been reviewed with the sales, service or parts manager, contact the owner of the Dealership name and location • Vehicle delivery date and present mileage When contacting Buick, please remember that , you should file with the BBB Auto Line Program to enforce any additional rights you - 2004 Buick Century | Owner's Manual - Page 335
Auto Line Program is an out of court program administered by the Council of Better Business Bureaus to settle automotive disputes regarding vehicle repairs manual. (United States only) • Keep track of your vehicle's service history and maintenance schedule. • Find GM dealers for service nationwide - 2004 Buick Century | Owner's Manual - Page 336
's Customer Assistance Center. Overseas - Customer Assistance Please contact the local General Motors Business Unit. United States - Customer Assistance Buick Customer Assistance Center P.O. Box 33136 Detroit, MI 48232-5136 1-800-521-7300 1-800-832-8425 (For Text Telephone devices (TTYs)) Roadside - 2004 Buick Century | Owner's Manual - Page 337
controls, wheelchair/scooter lifts, etc.). Roadside Assistance Program Buick Motor Division is proud to offer Buick by providing minor repair information over the phone or making arrangements to tow your vehicle to the nearest Buick dealer. We will provide the following services for 3 years/36 - 2004 Buick Century | Owner's Manual - Page 338
to telephone numbers of the following additional services depending on your needs: Hotels Glass replacement Tire repair facilities Rental vehicle or taxis Airports or train stations Police, fire department or hospitals Buick reserves the right to limit services or reimbursement to an owner or - 2004 Buick Century | Owner's Manual - Page 339
, the problem is safety-related. If it is, please call your dealership, let them know this, and ask for instructions. If the dealer requests that you simply drop the vehicle off for service, you are urged to do so as early in the work day as possible to allow for same day repair. Transportation - 2004 Buick Century | Owner's Manual - Page 340
is not part of the shuttle service, may repairs during the Complete Vehicle Coverage period of the General Motors of Canada New Vehicle Limited Warranty, alternative to the terms and conditions described herein at repair. Reimbursement will be limited to a maximum of $30 a day and must be supported - 2004 Buick Century | Owner's Manual - Page 341
fuel economy, to monitor conditions for airbag deployment and, if so equipped, to provide anti-lock braking and to help the driver control the vehicle in difficult driving situations. Some information may be stored during regular operations to facilitate repair of detected malfunctions; other - 2004 Buick Century | Owner's Manual - Page 342
subscription service agreement or manual for information on its operations and data collection. To contact NHTSA, you may either call the Auto and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer or General Motors. Reporting Safety Defects - 2004 Buick Century | Owner's Manual - Page 343
call us at 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, MI 48232- Service Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle, suspension, brakes, electrical, steering, body - 2004 Buick Century | Owner's Manual - Page 344
Each bulletin contains instructions to assist in the diagnosis and service of your vehicle. In Canada, information pertaining to Product Service Bulletins can be The owner's manual will include the Maintenance Schedule for all models. In-Portfolio: Includes a Portfolio, Owner's Manual, and Warranty - 2004 Buick Century | Owner's Manual - Page 345
an Air Bag Inflates? ...1-56 When Should an Air Bag Inflate? ...1-54 Where Are the Air Bags? ...1-52 Air Cleaner/Filter, Engine ...5-18 Airbag Sensing and Diagnostic Module (SDM) ...7-9 AM ...3-63 Antenna, Fixed Mast ...3-64 Anti-lock Brake System (ABS) ...4-6 Anti-Lock Brake System Warning Light - 2004 Buick Century | Owner's Manual - Page 346
Battery ...5-41 Battery Replacement ...2-9 Battery Rundown Protection ...3-16 Before Leaving on a Long Trip ...4-22 Brake Parking ...2-25 System Warning Light ...3-32 Brake Fluid ...5-38 Brake Wear ...5-40 Brakes ...5-38 Braking ...4-6 Braking Tape Player Service ...6-9 CD Adapter Kits ...3-59 CD - 2004 Buick Century | Owner's Manual - Page 347
System Air Filter, Passenger Compartment ...3-26 Dual ...3-18 Dual Automatic ...3-21 Outlet Adjustment ...3-25 Compact Spare Tire ...5-87 Control of a Vehicle ...4-5 Convenience Net ...2-35 Coolant Engine Temperature Gage ...3-35 Engine Temperature Warning Light ...3-35 Heater, Engine ...2-21 - 2004 Buick Century | Owner's Manual - Page 348
Locking ...2-7 Dinghy Towing ...4-33 Doing Your Own Service Work ...5-3 Dolly Towing ...4-33 Dome Lamp ...3-16 Door Locks ...2-10 Power Door Locks ...2-11 Programmable Automatic Door Locks ...2-11 Trunk Ajar Warning Light Climate Control System ...3-21 Dual Climate Control System ...3-18 4 - 2004 Buick Century | Owner's Manual - Page 349
Breakers ...Headlamp Wiring ...Power Windows and Other Power Options ...Windshield Wiper Fuses ...Emergency Trunk Release Handle ...Emissions Inspection and Maintenance Programs ...Engine Air Cleaner/Filter ...Battery ...Change Engine Oil Light ...Check and Service Engine Soon Light ...Coolant - 2004 Buick Century | Owner's Manual - Page 350
...5-5 Low Warning Light ...3-44 Fuses Fuses and Circuit Breakers ...5-97 Windshield Wiper ...5-97 H Hazard Warning Flashers ...3-4 Head Restraints ...1-5 Headlamp Aiming ...5-49 Headlamp High/Low-Beam Changer ...3-6 Headlamp Wiring ...5-97 Headlamps ...5-51 Bulb Replacement ...5-51 Front Turn - 2004 Buick Century | Owner's Manual - Page 351
...Leaving Your Vehicle ...Leaving Your Vehicle With the Engine Running ...Light Air Bag Readiness ...Anti-Lock Brake System Warning ...Brake System Warning ...Change Engine Oil ...Charging System ...Cruise Control ...Door/Trunk Ajar Warning ...Engine Coolant Temperature Warning ...Enhanced Traction - 2004 Buick Century | Owner's Manual - Page 352
...Service Vehicle Soon ...Tire Pressure ...Lighted Visor Vanity Mirrors ...Loading Your Vehicle ...Lockout Protection ...Locks Door ...Leaving Your Vehicle ...Lockout Protection ...Power Door ...Programmable Automatic Door Locks ...Loss of Control ...Low Fuel Warning Light ...Low Traction Light - 2004 Buick Century | Owner's Manual - Page 353
Manual Rearview Mirror ...2-31 Manual Rearview Mirror with OnStar® ...2-31 Outside Convex Mirror ...2-32 Outside Power Mirrors ...2-32 MyGMLink.com ...7-3 N New Vehicle Break-In ...2-18 Normal Maintenance Replacement Parts ...6-13 Outlet Adjustment ...3-25 Outside Convex Mirror ...2-32 Power - 2004 Buick Century | Owner's Manual - Page 354
Power Accessory Outlets ...3-17 Door Locks ...2-11 Electrical System ...5-97 Six-Way Seats ...1-3 Steering Fluid ...5-35 Windows ...2-16 Power Steering ...4-10 Programmable Automatic Door Locks ...2-11 Q Questions and Answers About Safety Belts ...1-10 R Radiator Pressure Cap ...Radio Data System - 2004 Buick Century | Owner's Manual - Page 355
Restraint System Check (cont.) Replacing Restraint System Parts After a Crash ...1-59 Restraint Systems Checking ...1-58 Replacing Parts ...1-59 Resynchronization ...2-9 Retained Accessory Power (RAP) ...2-20 Right Front Passenger Position, Safety Belts ...1-20 Roadside Assistance Program ...7-5 - 2004 Buick Century | Owner's Manual - Page 356
...4-30 Sun Visors ...2-17 Sunroof ...2-36 T Taillamps Turn Signal, and Stoplamps ...5-54 Theft-Deterrent, Radio ...3-62 Theft-Deterrent Systems ...2-17 PASS-Key® II ...2-17 Tilt Wheel ...3-5 Tire Pressure Light ...3-36 Tire Inflation Check ...6-9 Tire Sidewall Labeling ...5-58 Tire Size ...5-61 - 2004 Buick Century | Owner's Manual - Page 357
31 Traction Enhanced Traction System (ETS) ...4-9 Enhanced Traction System (ETS) Warning Light ...3-34 Low Light ...3-34 Trailer Brakes ...4-42 Transaxle Fluid, Automatic ...5-19 Transaxle Operation, Automatic ...2-22 Transmission, Transaxle, Transfer Case Unit Repair Manual ...7-11 Transportation - 2004 Buick Century | Owner's Manual - Page 358
and Symbols ...iii Vehicle Damage ...iv Washer Fluid, Low Warning Light ...3-42 Washing Your Vehicle ...5-91 Weight of the Trailer ...4-40 Work ...1-7 Window Lock-Out ...2-16 Windows ...2-15 Power ...2-16 Windshield Washer ...3-8 Fluid ...5-36 Windshield Wiper Blade Replacement ...5-56 Fuses ...5-