1999 BUICK CENTURY audio

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6-30 Replacing Brake System Parts
The braking system on a vehicle is complex. Its many
parts have to be of top quality and work well together if
the vehicle is to have really good braking. Your vehicle
was designed and tested with top
-quality GM brake
parts. When you replace parts of your braking
system
-- for example, when your brake linings wear
down and you have to have new ones put in
-- be sure
you get new approved GM replacement parts. If you
don't, your brakes may no longer work properly. For
example, if someone puts in brake linings that are wrong
for your vehicle, the balance between your front and
rear brakes can change
-- for the worse. The braking
performance you've come to expect can change in many
other ways if someone puts in the wrong replacement
brake parts.
Battery
Your new vehicle comes with an ACDelco Freedom

battery. When it's time for a new battery, we
recommend an ACDelco Freedom battery. Get one that
has the replacement number shown on the original
battery's label.
Vehicle Storage
If you're not going to drive your vehicle for 25 days
or more, remove the black, negative (
-) cable from the
battery. This will help keep your battery from
running down.
CAUTION:
Batteries have acid that can burn you and gas
that can explode. You can be badly hurt if you
aren't careful. See ªJump Startingº in the Index
for tips on working around a battery without
getting hurt.
Contact your dealer to learn how to prepare your vehicle
for longer storage periods.
Also, for your audio system, see ªTheft
-Deterrent
Featureº in the Index.

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6-61
Fuse Description
24 Stoplamps
26 Parking Lamps
27 Auxiliary Power Connection
(Power Drop)
-- Hot in ACC and Run
28 Crank Signal
-- Body Control Module,
Cluster, Powertrain Control Modules
29 Ignition Signal
-- HVAC Control Head
30 Brake Transmission Shift Interlock (BTSI)
31 Air Bag
32 Body Control Module
33 Hazard Flashers
34 Not UsedFuse Description
36 Ignition Signal
-- Hot in ACC and
Run
-- Body Control Module
38 Low Blower
39 Anti
-Lock Brakes
40 Turn Signals
41 Radio, HVAC Head, Remote Keyless
Entry, Cluster
42 High Blower
43 Not Used
44 Audio Steering Wheel Controls
45 Wipers

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7-14
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See ªEngine Oilº in the Index for
further details.Engine Coolant Level Check
Check the engine coolant level and add DEX
-COOL

coolant mixture if necessary. See ªEngine Coolantº in
the Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See ªWindshield Washer Fluidº in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures.
See ªTiresº in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See ªAudio Systemsº in the
Index for further details.

9-
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9-1
Section 9 Index
A
dding Equipment to the Outside of Your Vehicle 6-3 . . . . .
Air Bag
How Does it Restrain 1
-24 . . . . . . . . . . . . . . . . . . . . . . . . . .
How it Works 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Readiness Light 1-21, 2-51 . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing 1-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System 1-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Makes it Inflate 1-23 . . . . . . . . . . . . . . . . . . . . . . . . . .
What Will You See After it Inflates 1-24 . . . . . . . . . . . . . . .
When Should it Inflate 1-23 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning 3-3, 3-6, 3-8 . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants 6-65 . . . . . . . . . . . . . . . . . . . . .
Alarm, Instant 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alignment and Balance, Tire 6-48 . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels, Cleaning 6-55 . . . . . . . . . . . . . . . . . . . . . .
AM-FM Stereo 3-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AM-FM Stereo with Cassette Tape and Compact
Disc Player with Automatic Tone Control 3-21 . . . . . . . . . .
AM-FM Stereo with Cassette Tape Player 3-14 . . . . . . . . . . .
AM-FM Stereo with Cassette Tape Player and
Automatic Tone Control 3-17 . . . . . . . . . . . . . . . . . . . . . . . .
Antenna
Backglass 3
-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diversity 3-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fixed Mast 3-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Antifreeze 6
-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock
Brake System Warning Light 2-53, 4-7 . . . . . . . . . . . . . . . .
Brakes 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Theft, Radio 3-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care Materials 6-57 . . . . . . . . . . . . . . . . . . . . . . .
Arbitration Program 8-3, 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . .
Armrest, Front Storage 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Armrest, Rear Storage 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtrays 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Astroroof 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Controls, Steering Wheel Touch Control 3-29 . . . . . . .
Audio Equipment, Adding 3-30 . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems, Tips 3-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto-Down Window 2-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic
Headlamp Control 2
-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overdrive (
)2-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Door Locks 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Check 7-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Fluid 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Operation 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle PARK (P) Mechanism Check 7-17 . . . . . . . . . . .

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9-10
Service 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulletins, Ordering 8-11, 8-12 . . . . . . . . . . . . . . . . . . . . . . .
Engine Soon Light 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manuals, Ordering 8-11, 8-12 . . . . . . . . . . . . . . . . . . . . . . .
Parts Identification Label 6-58 . . . . . . . . . . . . . . . . . . . . . . .
Publications, Ordering 8-11, 8-12 . . . . . . . . . . . . . . . . . . . .
Work, Doing Your Own 6-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Service and Appearance Care 6-1 . . . . . . . . . . . . . . . . . . . . . .
Service Vehicle Soon Light 2-63 . . . . . . . . . . . . . . . . . . . . . . .
Servicing Your Air Bag-Equipped Vehicle 1-25 . . . . . . . . . . .
Sheet Metal Damage 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Lever 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting
Automatic Transaxle 2
-20 . . . . . . . . . . . . . . . . . . . . . . . . . .
Into Park 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Out of Park 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shoulder Belt Height Adjuster 1-13 . . . . . . . . . . . . . . . . . . . . .
Signaling Turns 2-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Six-Way Power Seat 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Skidding 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sound Equipment, Adding 3-30 . . . . . . . . . . . . . . . . . . . . . . . .
Spare Tire, Compact 5-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications and Capacities 6-64 . . . . . . . . . . . . . . . . . . . . . .
Specifications, Engine 6-64 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speech Impaired, Customer Assistance 8-4 . . . . . . . . . . . . . . .
Speedometer 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains, Cleaning 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter Switch Check 7-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your V6 Engine 2-18 . . . . . . . . . . . . . . . . . . . . . . . . .
Steam 5-10, 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steering
in Emergencies 4
-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magnetic Variable Effort4-10 . . . . . . . . . . . . . . . . . . . . .
Power 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TILT-WHEEL2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tips 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Wheel Touch Controls, Audio 3-29 . . . . . . . . . . . . . .
Storage Compartments 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage, Vehicle 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stuck: In Sand, Mud, Ice or Snow 5-33 . . . . . . . . . . . . . . . . . .
Sun Visors 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols, Vehicle v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tail/Stop/Turn Signal Lamp Bulb Replacement 6-36 . . . . . .
Tape Player Care 3-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Control 3-2, 3-5, 3-7, 3-8 . . . . . . . . . . . . . . . . .
Theft 2-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent Feature 3-26 . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent System 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . .
THEFTLOCK
3-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermostat 6-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third Gear, Automatic Transaxle 2-23 . . . . . . . . . . . . . . . . . . .
TILT-WHEEL Adjustable Steering Column 2-32 . . . . . . . .
Time, Setting the 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information Label 4-30 . . . . . . . . . . . . . . . . . . .
Tires 6-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alignment and Balance 6-48 . . . . . . . . . . . . . . . . . . . . . . . .
Buying New 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat 5-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .