GM Service Manual Online
For 1990-2009 cars only

If your vehicle has this feature, it allows you to customize the feedback received when locking or unlocking your vehicle with the remote keyless entry transmitter.

Programmable Modes

Mode 1: Both Features Off. Remote lock and unlock confirmation are disabled.

Mode 2: Exterior Lamps Flash Only

    • When you use the remote keyless entry transmitter to lock your vehicle, your parking lamps will flash to let you know the command has been received.
    • When you use the remote keyless entry transmitter to unlock your vehicle or operate your optional power sliding door(s), your parking lamps will flash to let you know the command has been received.
Mode 3: Exterior Lamps Flash and Horn Sounds

    • When you use the remote keyless entry transmitter to lock your vehicle, the horn will sound and your parking lamps will flash to let you know the command has been received.
    • When you use the remote keyless entry transmitter to unlock your vehicle or operate your optional power sliding door(s), your parking lamps will flash to let you know the command has been received.
Mode 4: Exterior Lamps Flash and Horn Sounds on second LOCK press

    • When you use the remote keyless entry transmitter to lock your vehicle, your parking lamps will flash to let you know the command has been received. The horn will sound and your parking lamps will flash if you press the LOCK button again within five seconds.
    • When you use the remote keyless entry transmitter to unlock your vehicle or operate your optional power sliding door(s), your parking lamps will flash to let you know the command has been received.

Your vehicle was originally programmed to Mode 4. The mode may have been changed since then. To determine the current mode, or to change the mode, do the following:

  1. Follow the instructions for Entering Programming Mode .
  2. Press LOCK on the remote keyless entry transmitter.
  3. Count the number of chimes you hear. The number of chimes indicates the vehicle's current programmed mode. If you do not wish to change the current mode, you can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle.
  4. Press LOCK to change the current mode.
  5. Press LOCK until you hear the number of chimes corresponding to the mode selection you want.

The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle.