GM Service Manual Online
For 1990-2009 cars only

The remote keyless entry transmitter enables the vehicle's doors to be locked and unlocked, or the trunk lid to be released, from about 3 feet (1 m) and up to 30 feet (9 m) away.


Object Number: 819532  Size: A3

LOCK: Press the LOCK button to lock all the doors.

UNLOCK: Press the UNLOCK button to unlock the driver door and turn on the interior lamps. See "Illumination on Remote Activation" later in this section for more details. Press UNLOCK again to unlock the passenger doors.

(Trunk Release): To release the trunk lid, press this button. The trunk will only unlock if the transaxle is in PARK (P).

(Remote Alarm): Press this button to activate an alarm. The ignition must be in OFF or ACCESSORY for the remote alarm to work. When the remote alarm button is pressed, the headlamps will flash, the horn will sound repeatedly, and the interior lamps will turn on. The alarms will turn off when one of the following occurs:

    • The remote alarm button on the remote keyless entry transmitter is pressed a second time.
    • The ignition is moved to RUN.
    •  The alarms have been on for about two minutes.

Security Feedback

The remote keyless entry transmitter can be programmed so that when the LOCK or UNLOCK button is pressed, the vehicle gives visual or audible feedback confirmation. Each lock or unlock command verification must be programmed individually. The ignition must be OFF for this feature to work.

Disconnecting the vehicle's battery for up to a year will not affect the programmed mode.

Programming the LOCK Command

One of four modes can be selected to confirm a LOCK command.

Mode 1 (One Chime): No Verification

Mode 2 (Two Chimes): Horn Chirp

Mode 3 (Three Chimes): Headlamps Flash

Mode 4 (Four Chimes): Horn Chirp and Headlamps Flash

The vehicle was originally programmed to Mode 3. The mode may have been changed since then. To determine the current lock mode, or to change the lock mode, do the following:

  1. Close all doors and turn the ignition key to RUN.
  2. Press and hold the power door lock switch in the LOCK position.
  3. While holding the power door lock switch in the LOCK position, press and release the remote keyless entry transmitter LOCK button.
  4. A series of one to four chimes will sound, corresponding to the current lock mode.

  5. Press the remote keyless entry transmitter LOCK button to advance to the next lock mode.
  6. If cycled beyond Mode 4, the vehicle will enter Mode 1.

  7. To set a mode, release the power door LOCK switch after the chime sequence of the desired mode is heard.

Programming the UNLOCK Command

One of four modes can be selected to confirm an UNLOCK command.

Mode 1 (One Chime): No Verification

Mode 2 (Two Chimes): Horn Chirp

Mode 3 (Three Chimes): Headlamps Flash

Mode 4 (Four Chimes): Horn Chirp and Headlamps Flash

The vehicle was originally programmed to Mode 3. The mode may have been changed since then. To determine the current unlock mode, or to change the unlock mode, do the following:

  1. Close all doors and turn the ignition key to RUN.
  2. Press and hold the power door lock switch in the unlock position.
  3. While holding the power door lock switch in the unlock position, press and release the remote keyless entry transmitter UNLOCK button.
  4. A series of one to four chimes will sound, corresponding to the current unlock mode.

  5. Press the remote keyless entry transmitter UNLOCK button to advance to the next unlock mode.
  6. If cycled beyond Mode 4, the vehicle will enter Mode 1.

  7. To set a mode, release the power door unlock switch after the chime sequence of the desired mode is heard.

Delayed Locking

This feature can be turned on or off. It delays the locking of the doors for five seconds after the LOCK position on the power door lock, or the LOCK button on the remote keyless entry transmitter is pressed and the last door is closed.

If a door is opened before five seconds, the delayed lock is cancelled. When all doors are closed again, delayed locking begins again.

Three chimes will sound to indicate that this feature is on. The chime will sound only when the key is not in the ignition and a door is open.

To cancel delay locking, do any of the following:

    • Press the unlock portion of the power door lock switch.
    • Press the UNLOCK button on the remote keyless entry transmitter.
    • Press the LOCK portion of the power door lock switch a second time.
    • Press the LOCK button on the remote keyless entry transmitter a second time.
    • Insert the ignition key into the ignition.

Programming Delayed Locking

Delayed locking has two modes.

Mode One (One Chime): Delayed locking is turned off.

Mode Two (Two Chimes): Delayed locking is turned on.

  1. Close the doors.
  2. Move the ignition key to the RUN position.
  3. Apply the regular brakes.
  4. Press and hold the power door unlock switch. While holding the power door unlock switch, move the shift lever out of and back into PARK (P).
  5. One or two chimes will sound indicating what mode the delayed locking is in.

  6. Release the power door unlock switch, after one of the chime mode sequences, to set the desired mode.

Illumination on Remote Activation

This feature provides interior lighting when a remote keyless entry door unlock command is received by the vehicle. The ignition must be off for this feature to work. The interior lamps will stay on until either the ignition is turned to RUN or until 40 seconds has elapsed. If a door is opened during this time, the timed lighting will be canceled, and the interior lamps will remain on. Also see "Entry Lighting" under Interior Lamps for more information.

Matching Transmitter(s) to Your Vehicle

Each remote keyless entry transmitter is uniquely 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 additional transmitters so they also can be re-coded to match the new transmitter. Once your dealer has coded the new transmitter, the lost transmitter cannot unlock the vehicle. The vehicle can have a maximum of four transmitters coded to it.

Battery Replacement

The battery in the remote keyless entry transmitter should last about three years.

If the battery is weak the transmitter will not work within its normal range. It is probably time to change the battery if you have to be very close to the vehicle before the transmitter works.

Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter.


Object Number: 812555  Size: B3

To replace the battery do the following:

  1. Insert a flat object like a thin coin into the slot on the back of the transmitter and pry apart the front and back.
  2. Remove the old battery, but do not use a metal object to do this. Make sure the new battery is a type CR2032 or equivalent, and that the positive (+) side of the battery is facing down.
  3. Snap the front and back of the transmitter together.
  4. Resynchronize and test the operation of the transmitter with the vehicle.

Resynchronization

After the battery has been changed in the remote keyless transmitter, it will need to be resynchronized. To do this, press and hold both the LOCK and UNLOCK buttons on the remote keyless entry transmitter until one horn chirp is heard.