brakes BUICK LESABRE 1999 Owner's Guide

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7-38 Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook
-up, binding, leaks, cracks,
chafing, etc. Inspect disc brake pads for wear and rotors
for surface condition. Also inspect drum brake linings
for wear and cracks. Inspect other brake parts, including
drums, wheel cylinders, calipers, parking brake, etc.
Check parking brake adjustment. You may need to have
your brakes inspected more often if your driving habits
or conditions result in frequent braking.
Caliper/Knuckle Maintenance Inspection
If you operate your vehicle in a highly corrosive
environment, as indicated by the shaded areas on the
map following this text, your vehicle may require
additional brake service. Refer to the appropriate GM
Service Bulletin for the proper caliper inspection
procedure. As necessary, caliper pins and knuckle brake
pad abutments should be lubricated at every other tire
rotation. Also, see your GM dealer's service department
or qualified service center for additional information.

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CURRENT PUBLICATIONS FOR 1999 BUICK
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes,
electrical, steering, body, etc.
RETAIL SELL PRICE: $90.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE
UNIT REPAIR MANUAL
This manual provides information on unit repair service
procedures, adjustments and specifications for the
1999 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE: $50.00
SERVICE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.OWNER'S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about the
vehicle. The owner's manual will include the Maintenance
Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner's Manual and
Warranty Booklet.
RETAIL SELL PRICE: $15.00
Without Portfolio: Owner's Manual only.
RETAIL SELL PRICE: $10.00
CURRENT & PAST MODEL ORDER FORMS
Service Publications are available for current and past
model GM vehicles. To request an order form, please
specify year and model name of the vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207OR ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM ± 6:00 PM Eastern Time
For Credit Card Orders Only (VISA±MasterCard±Discover)
1999 BUICK SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with your check, money order,
or credit card information to Helm, Incorporated (address below.)

9-
First Edition for Buick LeSabre Owner's Manual ± 1999
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9-1
Section 9 Index
A
ir Bag 1-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How Does it Restrain 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . .
How it Works 1-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 1-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Readiness Light 1-20, 2-60 . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing 1-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Makes it Inflate 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . .
What Will You See After it Inflates 1-23 . . . . . . . . . . . . . . .
When Should it Inflate 1-22 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants 6-64 . . . . . . . . . . . . . . . . . . . . .
Air Control, Climate Control System 3-2, 3-4 . . . . . . . . . . . . .
Alarm, Instant, Keyless Entry 2-10 . . . . . . . . . . . . . . . . . . . . .
Alarm, Universal Theft-Deterrent 2-16 . . . . . . . . . . . . . . . . . .
Alignment and Balance, Tire 6-46 . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels, Cleaning 6-54 . . . . . . . . . . . . . . . . . . . . . .
Antenna, Heated Backlite 3-36 . . . . . . . . . . . . . . . . . . . . . . . .
Antifreeze 6-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock
Brake System Warning Light 2-62, 4-7 . . . . . . . . . . . . . . . .
Brakes 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Theft, Radio 3-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care Materials Chart 6-56 . . . . . . . . . . . . . . . . . .
Arbitration Program 8-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Armrest, Storage 2
-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtrays 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Equipment, Adding 3-34 . . . . . . . . . . . . . . . . . . . . . . . .
Audio, Steering Wheel Touch Controls 3-32 . . . . . . . . . . . . . .
Audio Systems 3-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Dimming/Heated Outside Mirror 2-51 . . . . . . . . . .
Automatic Transaxle 2-24
Check 7-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overdrive 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park Mechanism Check 7-36 . . . . . . . . . . . . . . . . . . . . . . . .
Battery 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement, Remote Keyless Entry 2-12 . . . . . . . . . . . . . .
Rundown Protection 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Light 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BBB Auto Line 8-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Belt, Engine Accessory 6-66 . . . . . . . . . . . . . . . . . . . . . . . . . .
Better Business Bureau Mediation 8-3 . . . . . . . . . . . . . . . . . . .
Blizzard 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

First Edition for Buick LeSabre Owner's Manual ± 1999
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9-2
Brake
Adjustment 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-lock System Warning Light 2-62, 4-7 . . . . . . . . . . . . .
Fluid 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Master Cylinder 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pedal Travel 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing System Parts 6-30 . . . . . . . . . . . . . . . . . . . . . . . .
System Warning Light 2-61 . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Shift Interlock Check 2-24, 7-35 . . . . . . . . . . . . .
Wear 6-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes, Anti-Lock 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking in Emergencies 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . .
Break-In, New Vehicle 2-19 . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BTSI Check 2-24, 7-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canadian Roadside Assistance 8-6 . . . . . . . . . . . . . . . . . . . .
Capacities and Specifications 6-64 . . . . . . . . . . . . . . . . . . . . . .
Carbon Monoxide 2-15, 2-33, 2-34, 4-28, 4-35 . . . . . . . . . .
Cassette Deck Service 7-33 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player 3-17, 3-21, 3-25 . . . . . . . . . . . . . . . . . .
Care 3-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Errors 3-16, 3-20, 3-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center Passenger Position 1-25 . . . . . . . . . . . . . . . . . . . . . . . .
Certification Label 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains, Safety 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains, Tire 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Change Oil Soon Light 2
-69 . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat Tire 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Engine Light 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Oil Level Light 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Your Restraint Systems 1-50 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-41 . . . . . . . . . . .
Securing in the Center Rear Seat Position 1-43 . . . . . . . . . .
Securing in the Right Front Seat Position 1-45 . . . . . . . . . .
Top Strap 1-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-59 . . . . . . . . . . . . . . . . . . . . . . .
Cleaner, Air 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum Wheels 6
-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-53 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass Surfaces 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-49 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-51 . . . . . . . . . . . . . . . . . . . . .
Leather 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-52 . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-51 . . . . . . . . . . . . . . . . . . .

First Edition for Buick LeSabre Owner's Manual ± 1999
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9-11
Trailer
Brakes 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving on Grades 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving with 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Towing 4-38 . . . . . . . . . . . . . . . . . . .
Hitches 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Towing 4-38 . . . . . . . . . . . . . . . . . . . . .
Parking on Hills 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tongue Weight 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Weight on Tires 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signals 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Fluid, Automatic 6-18 . . . . . . . . . . . . . . . . . . . . . . .
Transmitters, Matching to Your Vehicle 2-12 . . . . . . . . . . . . .
Transmitters, Remote Keyless Entry 2-9 . . . . . . . . . . . . . . . . .
Transportation, Courtesy 8-7 . . . . . . . . . . . . . . . . . . . . . . . . . .
Trip Odometer 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk
Lock 2
-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Release Lockout, Remote 2-15 . . . . . . . . . . . . . . . . . . . . . .
Release, Remote 2-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security Override 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TTY Users 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Turn Signal and Lane Change Indicator 2
-35 . . . . . . . . . . . . .
Turn Signal, Front Bulb Replacement 6-36 . . . . . . . . . . . . . . .
Turn Signal On Chime 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal, Rear Bulb Replacement 6-39 . . . . . . . . . . . . . . . .
Turn Signal/Multifunction Lever 2-34 . . . . . . . . . . . . . . . . . . .
Turn Signals When Towing a Trailer 4-37 . . . . . . . . . . . . . . . .
Twilight Sentinel
2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underbody Flushing Service 7-36 . . . . . . . . . . . . . . . . . . . . .
Underbody Maintenance 6-55 . . . . . . . . . . . . . . . . . . . . . . . . .
Universal Theft-Deterrent 2-16 . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle
Control 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage Warnings iv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 6
-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification Number 6-57 . . . . . . . . . . . . . . . . . . . . . . . . .
Loading 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ventilation System 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity Mirrors 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visors, Sun 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Gage 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .