battery BUICK CENTURY 1998 Owner's Guide

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6-10
3800 Supercharged V6 (L67) Engine
When you open the hood on the 3800 Supercharged engine, here's what you will see:
A. Windshield Washer
Fluid Reservoir
B. Remote Positive
Battery Terminal
C. Radiator Pressure CapD. Engine Oil Dipstick
E. Oil Fill Cap
F. Automatic Transaxle
Fluid DipstickG. Brake Master Cylinder
H. Engine Coolant Recovery Tank
I. Air Cleaner

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6-29 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.The battery is located under the rear seat cushion. To
access the battery, see ªRemoving the Rear Seat
Cushionº in the Index. You don't need to access the
battery to jump start your vehicle. See ªJump Startingº
in the Index.
CAUTION:
A battery that isn't properly vented can let
sulfuric acid fumes into the area under the rear
seat cushion. These fumes can damage your rear
seat safety belt systems. You may not be able to
see this damage, and the safety belts might not
provide the protection needed in a crash. If a
replacement battery is ever needed, it must be
vented in the same manner as the original
battery. Always make sure that the vent hose
is properly reattached before reinstalling the
seat cushion.

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6-30
To be sure the vent hose (A) is properly attached, the
vent hose connectors (B) must be securely reattached to
the vent outlets (C) on each side of the battery, and the
vent assembly grommet (D) must be secured to the floor
pan (E).
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 Usage
1 Air Conditioning Compressor
2 Not Used
3 Not Used
4 Horn
5 Not Used
6 Not Used
7 Cooling Fan #2
8 Cooling Fan #3
9 Cooling Fan
10 ABS Main
11 ABS Pump Motor
12 Not Used
13 Horn
14 Not UsedRemoving the Rear Seat Cushion
To access the battery and main fuse boxes, the rear seat
cushion must be removed. You may wish to have your
dealer do this for you.
NOTICE:
The battery and main fuse boxes are located under
the rear seat cushion. The battery's ground
terminal and some relay wires are exposed. To help
avoid damage to the battery and wires, be careful
when removing or reinstalling the seat cushion. Do
not remove covers from covered parts. Do not store
anything under the seat, as objects could touch
exposed wires and cause a short.

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6-65
Fuse Usage
21 Rear Defogger
22 Trunk and Fuel Door Releases
23 Electronic Level Control
24 Heated Seats/Instrument Panel
25 Exterior Lamps
26 Open
27 Power Door Locks
28 Interior Lamps
29 Hazard Lamps/Stoplamps
30 Parking Lamps
31 Heated MirrorFuse Usage
32 Open
33 Fuel Door Release
34 Trunk Release
35 Battery Thermistor
36 Instrument Panel #2
37 Instrument Panel #1
38 Heated Seats
39 Fuel Pump
40 Open
41 RR Defog 2
42 RR Defog 1

9-
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9-1
Section 9 Index
A
ccessory Power Outlet 2-58 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Bag 1-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How Does it Restrain 1-25 . . . . . . . . . . . . . . . . . . . . . . . . . .
How it Works 1-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 1-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Readiness Light 1-23, 2-69 . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing 1-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Makes it Inflate 1-25 . . . . . . . . . . . . . . . . . . . . . . . . . .
What Will You See After it Inflates 1-25 . . . . . . . . . . . . . . .
When Should it Inflate 1-25 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning 3-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants 6-67 . . . . . . . . . . . . . . . . . . . . .
Air Control, Climate Control System 3-3, 3-4 . . . . . . . . . . . . .
Alarm, Universal Theft-Deterrent 2-15 . . . . . . . . . . . . . . . . . .
Alignment and Balance, Tire 6-45 . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels, Cleaning 6-53 . . . . . . . . . . . . . . . . . . . . . .
Antenna, Power 3-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antifreeze 6-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock
Brakes 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake System Warning Light 2-71, 4-7 . . . . . . . . . . . . . . . .
Anti-Theft, Radio 3-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care Materials 6-55 . . . . . . . . . . . . . . . . . . . . . . . Arbitration Program 8
-3, 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtrays 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assist Handles 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Astroroof (Sunroof) 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Equipment, Adding 3-19 . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems 3-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems, Steering Wheel Controls 3-17 . . . . . . . . . . . .
Automatic Dimming Outside Rearview Mirror 2-51 . . . . . . . .
Automatic Transaxle 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check 7-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park Mechanism Check 7-34 . . . . . . . . . . . . . . . . . . . . . . . .
Back-Up Lamp Bulb Replacement 6-35 . . . . . . . . . . . . . . . .
Battery 6-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement, Remote Keyless Entry 2-11 . . . . . . . . . . . . . .
Rundown Protection 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Light 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 5-3, 5-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BBB Auto Line 8-3, 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Belt, Engine Accessory 6-68 . . . . . . . . . . . . . . . . . . . . . . . . . .
Better Business Bureau Mediation 8-3, 8-4 . . . . . . . . . . . . . . .
Blizzard 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-3
Stains 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-51 . . . . . . . . . . . . . . . . . . .
Wood Panels 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Climate Control System 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passenger Zone 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Wheel Control 3-9 . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting the 3-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passenger Zone 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Wheel Control 3-9 . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc
Care 3
-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Player 3-10, 3-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Player Care 3-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Spare Tire 5-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Console Storage 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience Net 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovery Tank 5-11, 5-13 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cornering Lamps 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-7 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cruise Light 2
-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholders 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Assistance
For Text Telephone Users 8
-4 . . . . . . . . . . . . . . . . . . . . . . .
Information 8-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Offices 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-2 . . . . . . . . . . . . . . . . . . . .
Damage, Finish 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage, Sheet Metal 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps (DRL) 2-41 . . . . . . . . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-9 . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogging 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrosting 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Entry Lighting 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Exit Lighting 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Locking 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions, Vehicle 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door
Ajar Light 2
-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ajar Reminder 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Central Unlocking System 2-4 . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks, Delayed Locking 2-7 . . . . . . . . . . . . . . . . . . . . . . . .
Memory Locks 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Position 1-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-6
Instrument Panel 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-32 . . . . . . . . . . . . . . . . . . . . .
Key Reminder Warning 2-14 . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry 2-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-56 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-30 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-56 . . . . . . . . . . . . . . . . . . .
Lamp, Trunk 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lamps 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cornering 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Latches, Seatback 1-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Leaving Your Vehicle with the Engine Running 2
-29 . . . . . . .
License Plate Holder 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Light Sensor, Twilight Sentinel 2-42 . . . . . . . . . . . . . . . . . . . .
Lighter 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-23, 2-69 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-71, 4-7 . . . . . . . . . . . .
Battery Warning 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake System Warning 2-70 . . . . . . . . . . . . . . . . . . . . . . . . .
Brake to Shift 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Oil 2-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Ajar 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Coolant Temperature Warning 2-72 . . . . . . . . . . . . .
Hazard Warning 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Coolant Warning 2-73 . . . . . . . . . . . . . . . . . . . . . . . . .
Low Fuel 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure 2-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-9, 2-68 . . . . . . . . . . . . . . . . . . . . . .
Security 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control System Warning 2-71, 4-9 . . . . . . . . . . . .
Washer Fluid Low 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door, Delayed Locking 2-7 . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transaxle Lock Check 7-34 . . . . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-32 . . . . . . . . . . . . . . . . . . . . .
Lockout Protection 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .