GM Service Manual Online
For 1990-2009 cars only

This feature 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 or unlock your vehicle, your headlamps and parking lamps will flash briefly to let you know the command has been received.
Mode 3: Exterior Lamps Flash and Horn Sound

    • When you use the remote keyless entry transmitter to lock your vehicle, your headlamps and parking lamps will flash briefly on each press and your horn will sound briefly on the second or any other press to let you know the command has been received.
    • When you use the remote keyless entry transmitter to unlock your vehicle, your headlamps and parking lamps will flash briefly to let you know the command has been received.

Your vehicle was originally programmed to Mode 3. 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 the LOCK button 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 on the remote keyless entry transmitter to change the current mode until you hear the number of chimes corresponding to the mode selection you want.

The mode you selected is now set. You can now exit the programming mode by following the instructions next in this section.