BUICK CENTURY 2004 Owner's 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 Systems
............................2-17
Starting and Operating Your Vehicle
...........2-18
Mirrors
....................................................2-31
OnStar
®System
......................................2-33
Storage Areas
.........................................2-34
Sunroof
..................................................2-36
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-2
Climate Controls
......................................3-18
Warning Lights, Gages and Indicators
.........3-27
Audio System(s)
.......................................3-44Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-31
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-4
Checking Things Under the Hood
...............5-10
Headlamp Aiming
.....................................5-49
Bulb Replacement
....................................5-51
Windshield Wiper Blade Replacement
.........5-56
Tires
......................................................5-57
Appearance Care
.....................................5-88
Vehicle Identication
.................................5-96
Electrical System
......................................5-97
Capacities and Specications
...................5-103
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance and Information.............. 7-1
Customer Assistance and Information
........... 7-2
Reporting Safety Defects
...........................7-10
Index................................................................ 1
2004 Buick Century Owner ManualM

GENERAL MOTORS, GM, the GM Emblem, BUICK, the
BUICK Emblem and the name CENTURY are
registered trademarks of General Motors Corporation.
This manual includes the latest information at the time it
was printed. We reserve the right to make changes
after that time without further notice. For vehicles rst
sold in Canada, substitute the name “General Motors of
Canada Limited” for Buick Motor Division whenever it
appears in this manual.
Please keep this manual in your vehicle, so it will be
there if you ever need it when you’re on the road. If you
sell the vehicle, please leave this manual in it so the
new owner can use it.
Canadian Owners
You can obtain a French copy of this manual from your
dealer or from:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
How to Use This Manual
Many people read their owner’s manual from beginning
to end when they rst receive their new vehicle. If
you do this, it will help you learn about the features and
controls for your vehicle. In this manual, you will nd
that pictures and words work together to explain things.
Index
A good place to look for what you need is the Index in
back of the manual. It is an alphabetical list of what
is in the manual, and the page number where you will
nd it.
Litho in U.S.A.
Part No. 10334120 A First Edition©
Copyright General Motors Corporation 06/18/03
All Rights Reserved
ii

Safety Warnings and Symbols
You will nd a number of safety cautions in this book.
We use a box and the word CAUTION to tell you about
things that could hurt you if you were to ignore the
warning.
{CAUTION:
These mean there is something that could hurt
you or other people.
In the caution area, we tell you what the hazard is.
Then we tell you what to do to help avoid or reduce the
hazard. Please read these cautions. If you don’t, you
or others could be hurt.You will also nd 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.”
iii

Vehicle Damage Warnings
Also, in this book you will nd these notices:
Notice:These mean there is something that could
damage your vehicle.
A notice will tell you about something that can damage
your vehicle. Many times, this damage would not be
covered by your warranty, and it could be costly.
But the notice will tell you what to do to help avoid the
damage.
When you read other manuals, you might see
CAUTION and NOTICE warnings in different
colors or in different words.
You’ll also see warning labels on your vehicle.
They use the same words, CAUTION or NOTICE.
Vehicle Symbols
Your vehicle has components and labels that use
symbols instead of text. Symbols, used on your vehicle,
are shown along with the text describing the operation
or information relating to a specic component, control,
message, gage or indicator.
If you need help guring out a specic name of a
component, gage or indicator, reference the following
topics:
Seats and Restraint 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(s) in Section 3
Engine Compartment Overview in Section 5
iv

These are some examples of vehicle symbols you may nd on your vehicle:
v

✍NOTES
vi

Front Seats......................................................1-2
Manual Seats................................................1-2
Six-Way Power Seats.....................................1-3
Reclining Seatbacks........................................1-3
Head Restraints.............................................1-5
Rear Seats.......................................................1-5
Split Folding Rear Seat...................................1-5
Safety Belts.....................................................1-6
Safety Belts: They Are for Everyone.................1-6
Questions and Answers About Safety Belts......1-10
How to Wear Safety Belts Properly.................1-11
Driver Position..............................................1-12
Safety Belt Use During Pregnancy..................1-19
Right Front Passenger Position.......................1-20
Center Passenger Position.............................1-20
Rear Seat Passengers..................................1-22
Rear Safety Belt Comfort Guides for Children
and Small Adults.......................................1-25
Safety Belt Extender.....................................1-27
Child Restraints.............................................1-28
Older Children..............................................1-28
Infants and Young Children............................1-30
Child Restraint Systems.................................1-34
Where to Put the Restraint.............................1-37Top Strap....................................................1-38
Top Strap Anchor Location.............................1-39
Lower Anchorages and Top Tethers for
Children (LATCH System)...........................1-40
Securing a Child Restraint Designed for the
LATCH System (Rear)...............................1-42
Securing a Child Restraint in a Rear Outside
Seat Position............................................1-42
Securing a Child Restraint in a Center Rear
Seat Position............................................1-44
Securing a Child Restraint in the Right Front
Seat Position............................................1-47
Air Bag Systems............................................1-49
Where Are the Air Bags?...............................1-52
When Should an Air Bag Inate?....................1-54
What Makes an Air Bag Inate?.....................1-55
How Does an Air Bag Restrain?.....................1-55
What Will You See After an Air
Bag Inates?............................................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
Section 1 Seats and Restraint Systems
1-1

Front Seats
Manual Seats
{CAUTION:
You can lose control of the vehicle if you try to
adjust a manual driver’s seat while the vehicle
is moving. The sudden movement could startle
and confuse you, or make you push a pedal
when you don’t want to. Adjust the driver’s
seat only when the vehicle is not moving.
Lift the bar located under the front of the passenger’s
seat to unlock the seat. Slide the seat to the desired
position and release the bar. Try to move the seat to be
sure it is locked into place.
1-2

Six-Way Power Seats
If the vehicle has a driver’s
side power seat, the
control for it is located on
the outboard side of
the seat cushion.
To move the seat forward or rearward, push the
control forward or rearward.
To raise or lower the entire seat, push the control
up or down.
To raise or lower the front of the seat, push the
front of the control up or down.
To raise or lower the rear of the seat, push the rear
of the control up or down.
Reclining Seatbacks
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 pushing on the
seatback and the seatback will move forward.
1-3

But don’t have a seatback reclined if your vehicle is
moving.
{CAUTION:
Sitting in a reclined position when your vehicle
is in motion can be dangerous. Even if you
buckle up, your 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 its job either. In a crash
the belt could go up over your abdomen. The
belt forces would be there, not at your pelvic
bones. This could cause serious internal
injuries.
For proper protection when the vehicle is in
motion, have the seatback upright. Then sit
well back in the seat and wear your safety belt
properly.
1-4