1999 BUICK LESABRE keyless

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2-12
Vehicles are delivered programmed in Mode 5. To
change to another mode:
1. Turn the ignition key to OFF.
2. Press and hold LOCK on the driver's power door
lock switch.
3. Press the trunk button on the transmitter. The
transmitter will remain in its current mode.
4. Press the trunk button again. Each time the trunk
button is pressed, the transmitter will advance to the
next mode.
5. Release the power door lock switch.
This procedure only changes the mode for the
transmitter used to change this setting. The procedure
will need to be repeated for the second transmitter.Matching Transmitter(s) To Your Vehicle
Each remote keyless entry transmitter is coded to
prevent another transmitter from unlocking your vehicle.
If a transmitter is lost or stolen, a replacement can be
purchased through your dealer. Remember to bring any
remaining transmitters with you when you go to your
dealer. When the dealer matches the replacement
transmitter to your vehicle, any remaining transmitters
must also be matched. Once your dealer has coded the
new transmitter, the lost transmitter will not unlock your
vehicle. Each vehicle can have only four transmitters
matched to it.
See your dealer to match transmitters to another vehicle.
Battery Replacement
Under normal use, the battery in your remote keyless
entry transmitter should last about two years.
You can tell the battery is weak if the transmitter won't
work at the normal range in any location. If you have to
get close to your vehicle before the transmitter works,
it's probably time to change the battery.

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2-15 Remote Trunk Release Lockout
The trunk release lockout
switch in the glove box
must be on for the TRUNK
button to work. This feature
allows you to secure items
in the trunk when you must
leave the ignition key with
an attendant.
To secure the trunk, turn off the TRUNK RELEASE
switch, lock the glove box, then take the door key with
you. Now the trunk button to the left of the steering
column will not open the trunk.
Trunk Security Override
The remote keyless entry transmitter (if equipped), will
open the trunk even if the trunk release lockout switch
is OFF.
Theft
Vehicle theft is big business, especially in some cities.
Although your vehicle has a number of theft
-deterrent
features, we know that nothing we put on it can make
it impossible to steal. However, there are ways you
can help.
Key in the Ignition
If you leave your vehicle with the keys inside, it's an
easy target for joy riders or professional thieves
-- so
don't do it.
With the ignition off and the driver's door open, you'll
hear a chime reminding you to remove your key from
the ignition and take it with you. Always do this. Your
steering wheel will be locked, and so will your ignition
and transaxle. And remember to lock the doors.
Parking at Night
Park in a lighted spot, close all windows and lock your
vehicle. Remember to keep your valuables out of sight.
Put them in a storage area, or take them with you.

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2-16 Parking Lots
If you park in a lot where someone will be watching
your vehicle, it's best to lock it up and take your keys.
But what if you have to leave your ignition key?

If possible, park in a busy, well lit area.

Put your valuables in a storage area, like your
trunk or glove box. Be sure to close and lock the
storage area.

Close all windows.

Turn off the TRUNK RELEASE lockout in the
glove box.

Lock the glove box.

Lock all the doors except the driver's.

Then take the door key and remote keyless entry
transmitter with you.
Universal Theft-Deterrent
(If Equipped)
If your vehicle has
this option, it has a
theft
-deterrent alarm
system. With this system,
the SECURITY light will
flash as you open the door
(if your ignition is off).
This light reminds you to activate the theft
-deterrent
system when leaving your vehicle.
Activating the system:
1. Open the door.
2. Lock the door with the power door lock switch while
the door is open, or with the remote keyless entry
transmitter. The SECURITY light should turn on and
stay on.
3. Close all doors. The SECURITY light should go off
after about 30 seconds. The alarm is not armed until
the SECURITY light goes off.

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2-17
If the SECURITY light comes on for one minute and
then shuts off while the ignition is on, the security
system has detected a problem with itself. See your
dealer for service.
If a door or the trunk is opened without the key or remote
keyless entry transmitter, the alarm will go off. It will
also go off if the trunk lock is damaged. Your vehicle's
lamps will flash and the horn will sound for one minute,
and then will go off in order to save battery power.
Remember, the theft
-deterrent system won't activate if
you lock the doors with a key or manual door lock. It
activates only if you use a power door lock switch with
a door open, or the remote keyless entry transmitter. You
should also remember that you can start your vehicle
with the correct ignition key if the alarm has been set
off. You must still shut off the alarm by inserting the key
in the door lock, or by pressing the UNLOCK button on
the remote keyless entry transmitter.
Here's how to avoid setting off the alarm by accident:

If you don't want to activate the theft
-deterrent
system, lock the door by using the door key or the
manual door lock switch.

Always unlock a door with a key, or use the remote
keyless entry system transmitter. Unlocking a door
any other way will set off the alarm.If you set off the alarm by accident, unlock any door
with your key.
You can also turn off the alarm by pressing UNLOCK
on the remote keyless entry transmitter, if you have it.
The alarm won't stop if you try to unlock a door any
other way.
Testing the Alarm
1. From inside the vehicle, roll down the window.
2. Activate the system by locking the doors with the
power door lock switch while the door is open, or
with the remote keyless entry transmitter.
3. Get out of the car, close the door and wait for the
SECURITY light to go out.
4. Then reach in through the window, unlock the door
with the manual door lock and open the door. This
should set off the alarm.
If the alarm does not sound when it should, but the
vehicle's lamps flash, check to see if the horn works.
The horn fuse may be blown. To replace the fuse, see
ªFuses and Circuit Breakersº in the Index.
If the alarm does not sound or the vehicle's lamps do not
flash, the vehicle should be serviced by an authorized
service center.

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2-43 Illuminated Entry (If Equipped)
Press the UNLOCK button on the remote keyless entry
transmitter (if equipped) and the interior courtesy lamps
will turn on and stay on for up to one minute. The lamps
will turn off immediately by pressing the LOCK button
on the remote keyless entry transmitter, starting the
engine or activating the power door locks.
Delayed Entry Lighting
When you open the door, the interior lamps will turn on.
When you close the door with the ignition off, the
interior lamps will stay on for 25 seconds or until the
ignition is turned to an on position. Note that locking the
doors will override the delayed entry lighting feature
and the lamps will turn off right away.
Theater Dimming
This feature allows for a three to five-second fade out of
the courtesy lamps instead of immediate turn off.
Delayed Exit Lighting
With this feature, the interior lamps will turn on and stay
on for up to 25 seconds after you remove the key from
the ignition. This will give you time to find the door pull
handle or lock switches.
Perimeter Lighting (If Equipped)
When the UNLOCK button on the remote keyless entry
transmitter is pressed, the headlamps, parking lamps,
back
-up lamps and cornering lamps will turn on if it is
dark enough outside according to the twilight sentinel.
If your vehicle is not equipped with twilight sentinel
and perimeter lighting is active, the lights will turn on
whenever the UNLOCK button on the transmitter
is pressed.
Personal Choice Programming
This feature can be programmed in the on or off mode
for each transmitter.
To turn the feature off:
1. Turn the ignition key to OFF.
2. Press and hold LOCK on the power door lock switch
throughout this procedure. All the doors will lock.
3. Press the instant alarm on the remote keyless entry
transmitter. Perimeter lighting remains on at this
time and the horn will chirp two times.

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2-44
4. Press the instant alarm on the remote keyless entry
transmitter again. Perimeter lighting is disabled and
the horn will chirp one time.
5. Release the door lock switch. The perimeter lighting
feature is now off.
To turn the feature on:
1. Turn the ignition key to OFF.
2. Press and hold LOCK on the power door lock switch
throughout this procedure. All the doors will lock.
3. Press the instant alarm on the transmitter again.
Perimeter lighting is now enabled and the horn will
chirp one time.
4. Press the instant alarm on the transmitter again.
Perimeter lighting is now enabled and the horn will
chirp two times.
5. Release the door lock switch. The perimeter lighting
feature is now on.
This procedure only changes the mode for the
transmitter used to change this setting. The procedure
will need to be repeated for the second transmitter.Front Reading Lamps (If Equipped)
Front seat reading lamps are turned on or off by pressing
the LAMP switch.

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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9-5
Gages
Engine Coolant Temperature 2-64 . . . . . . . . . . . . . . . . . . . .
Engine Oil Pressure 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel 2-70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAWR 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Positions, Automatic Transaxle 2-24 . . . . . . . . . . . . . . . .
Glove Box 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gross Axle Weight Rating 4-30 . . . . . . . . . . . . . . . . . . . . . . . .
Gross Vehicle Weight Rating 4-30 . . . . . . . . . . . . . . . . . . . . . .
Guide en Fran†ais ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GVWR 4
-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Halogen Bulbs 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hazard Warning Flashers 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Head Restraints 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlamps 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aiming 6-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High/Low Beam Changer 2-35 . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hearing Impaired, Customer Assistance 8-4 . . . . . . . . . . . . . .
Heating 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-Beam Headlamps 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . .
Highway Hypnosis 4-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hill and Mountain Roads 4-23 . . . . . . . . . . . . . . . . . . . . . . . . .
Hitches, Trailer 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hood
Checking Things Under 6
-8 . . . . . . . . . . . . . . . . . . . . . . . . .
Release 6-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horn 2-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydroplaning 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Positions 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transaxle Lock Check 7-36 . . . . . . . . . . . . . . . . . . . .
Illuminated Entry 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation, Tire 6-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside Day/Night Rearview Mirror 2-46 . . . . . . . . . . . . . . . . .
Inspections 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake System 7-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Caliper/Knuckle 7-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling System 7-37 . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust System 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Drive Axle Boot 7-37 . . . . . . . . . . . . . . . . . . . . . . . . .
Front Drive Axle Seal 7-37 . . . . . . . . . . . . . . . . . . . . . . . . .
Steering 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle System 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-56, 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-34 . . . . . . . . . . . . . . . . . . . . .
Key Reminder Warning 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry System 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Personal Choice Features 2-10 . . . . . . . . . . . . . . . . . . . . . . .
Remote 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .