1999 PONTIAC BONNEVILLE keyless

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2-13 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.
NOTICE:
When replacing the battery, use care not to
touch any of the circuitry. Static from your
body transferred to these surfaces may damage
the transmitter.
For battery replacement, use one Duracell
battery, type
DL
-2032, or a similar type.
To replace the battery:
1. Insert a coin into the notch near the key ring. Turn
the coin counterclockwise to separate the two halves
of the transmitter.
2. Once the transmitter is separated, use a pencil eraser
to remove the old battery. Do not use a metal object.
3. Remove and replace the battery. Replace it as the
instructions inside the cover indicate.

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4. Snap the transmitter back together tightly to be sure
no moisture can enter.
5. Test the operation of the transmitter with your
vehicle. If the transmitter does not work,
resynchronize the transmitter.
Resynchronization
After you have changed the battery in your transmitter,
or if only the instant alarm button works, the transmitter
needs to be resynchronized to the receiver. Do this by
pressing and holding both the LOCK and UNLOCK
buttons at the same time for about eight seconds. You
must be within range of the vehicle.
When the system has been resynchronized, the horn will
chirp and the exterior lamps will flash once. The system
should now operate properly.
Trunk
Trunk Lock Release
To unlock the trunk from the outside, insert the door key
and turn it.
Remote Trunk Release (Option)
If you have this option,
press the trunk release
button located below the
driver's door armrest to
release the trunk lid.
The ignition may be on or off and the transaxle must be
in PARK (P). The system also works with the remote
keyless entry system.

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2-15 Remote Trunk Release Lockout (Option)
The trunk release lockout
switch in the trunk allows
you to secure items in
the trunk.
By pressing the left side of the valet switch, the remote
trunk release button below the driver's door armrest will
be disabled. Push the right side of the valet switch to
enable the remote trunk release button to work again.
Trunk Security Override (Option)
Pressing the trunk symbol on the remote keyless entry
transmitter opens the trunk even if the remote trunk
release lockout switch is activated.
Trunk Lid
CAUTION:
It can be dangerous to drive with the trunk lid
open because carbon monoxide (CO) gas can
come into your vehicle. You can't see or smell
CO. It can cause unconsciousness and even death.
If you must drive with the trunk lid open or if
electrical wiring or other cable connections must
pass through the seal between the body and the
trunk lid:
1. Make sure all other windows are shut.
2. Turn the fan on your heating or cooling
system to its highest speed with the
setting on ECON or VENT. That will
force outside air into your vehicle. See
ªComfort Controlsº in the Index.
3. If you have air outlets on or under the
instrument panel, open them all the way.
See ªEngine Exhaustº in the Index.

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2-16
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 tone 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.
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?
1. If possible, park in a busy, well lit area.
2. Put your valuables in a storage area, like your
trunk or glove box. Be sure to close and lock the
storage area.
3. Close all windows.
4. Move the trunk release lockout switch to the
ON position.
5. Lock the glove box.
6. Lock all the doors except the driver's.
7. Then take the door key and remote keyless entry
transmitter with you.

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Universal Theft-Deterrent (Option)
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 use the remote keyless entry
transmitter. The SECURITY light should come on
and stay on.
3. Close all doors. The SECURITY light should go off after
about 30 seconds and the system will then be armed.
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, or if the door key
cylinders are damaged, 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, 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 while
the door is open, or the remote keyless entry transmitter.
Avoid setting off the alarm by accident.
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. 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.

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2-46
Interior Lamps
Instrument Panel/Brightness Control
You can brighten or dim your instrument cluster lights
by turning the headlamp knob. Turn the knob clockwise
to brighten the instrument cluster lights and displays.
Turn the knob clockwise all the way to turn on the
interior courtesy lamps. Turn the knob counterclockwise
to dim the instrument cluster lights and displays and to
turn off the courtesy lamps.
Illuminated Entry (Option)
When you press the UNLOCK button on the optional
remote keyless entry transmitter, the lamps inside your
vehicle will go on. These lamps will go off after about
25 seconds, or when you start your engine. Pressing the
LOCK button on your remote keyless entry transmitter
will turn the lights immediately off.
If a door is left ajar, your interior lamps will turn off
after 10 minutes to save your battery.
Delayed Illumination
When you open the door to enter your vehicle, the
interior lamps will come 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 on. Please note
that locking the doors with the power door lock switch
will override the delayed illumination 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.
Exit Lighting
With this feature, the interior lamps will come on for 25
seconds after you remove the key from the ignition. This
will give you time to find the door pull handle or lock
switches as you exit the vehicle.

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Fuel Door Lock (Option)
On a model equipped with the theft-deterrent system,
the fuel door is locked and unlocked together with the
driver's power door lock. Therefore, to unlock the fuel
filler door, you may use the outside door key lock, the
inside power door lock button or the remote keyless
entry transmitter. To unlock the fuel door, unlock the
driver's door.
Fuel Door Manual Release (Option)
If your vehicle has a fuel
door lock, the fuel door
can be opened manually
in case of an electrical
power failure.Open the trunk. The release mechanism is on the
driver's side of the vehicle, at the top of the trunk
compartment. Pull the tab rearward to release the
fuel door.
NOTICE:
Prying on a locked fuel filler door can damage it.
Use the remote fuel door manual release located
in the trunk.

9-
First Edition for Pontiac Bonneville Owner's Manual ± 1999
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9-1
Section 9 Index
A
ccessory Inflator 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessory Power Outlet 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustable Support Seat 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Bag 1-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How Does it Restrain 1-24 . . . . . . . . . . . . . . . . . . . . . . . . . .
How it Works 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Readiness Light 1-21, 2-65 . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing 1-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Makes it Inflate 1-24 . . . . . . . . . . . . . . . . . . . . . . . . . .
What Will You See After it Inflates 1-24 . . . . . . . . . . . . . . .
When Should it Inflate 1-23 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner 6-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants 6-69 . . . . . . . . . . . . . . . . . . . . .
Air Control, Climate Control System 3-2, 3-4 . . . . . . . . . . . . .
Air Inflator System 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alarm, Universal Theft-Deterrent 2-17 . . . . . . . . . . . . . . . . . .
Alignment and Balance, Tire 6-50 . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels, Cleaning 6-57 . . . . . . . . . . . . . . . . . . . . . .
Antenna, Fixed 3-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antenna, Power 3-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antifreeze 6-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock
Brake System Warning Light 2-68, 4-7 . . . . . . . . . . . . . . . .
Brakes 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Anti
-Lockout Feature 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care Materials 6-59 . . . . . . . . . . . . . . . . . . . . . . .
Arbitration Program 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Armrest, Storage 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtrays 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Controls, Steering Wheel Touch Control 3-27 . . . . . . .
Audio Equipment, Adding 3-28 . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Door Locks 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Transaxle 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check 7-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overdrive 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park Mechanism Check 7-35 . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your Engine 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . .
Back-Up Lamp 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back-Up Lamp Bulb Replacement 6-39 . . . . . . . . . . . . . . . . .
Battery 6-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement, Remote Keyless Entry 2-13 . . . . . . . . . . . . . .
Warning Light 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .