GM Service Manual Online
For 1990-2009 cars only

Chime Level Adjustment - RDS Radios Only

In order to adjust the chime level, perform the following steps:

  1. Turn the ignition ON.
  2. Turn the radio OFF.
  3. Press and hold the radio push-button 6 until either LOUD or NORMAL appears on the radio display. The chime sounds 3 times for each volume change.
  4. To toggle the setting, press and hold the radio push-button 6 again.

Programming Features With Tech 2

Enter Programming

To enter Programming with the Tech 2, perform the following actions:

  1. Install the scan tool.
  2. Turn ON the ignition with the engine OFF.
  3. Select the correct vehicle and model year.
  4. Select F0: Body Control Module
  5. Select F2: Special Functions
  6. Select F2: Personalization

Setting Options

Select an option with the UP/DOWN ARROW keys. The selected option will be highlighted. Use the SIDE-TO-SIDE ARROW keys to activate or deactivate the highlighted options, an ASTERISK will be displayed when an option has been ACTIVATED. Use the SOFT keys to save the selected options or use the EXIT key to leave the options unchanged. After all options have been selected press the SOFT key to continue.

The following is a list of the selectable options:

  1. Remote Function Activation (RFA) Audible Unlock Feedback
  2. RFA Audible Lock Feedback
  3. RFA Visual Feedback
  4. Pre-Alarm Horn Chirp

Additional Information

Refer to Audible Warnings Description and Operation in Instrument Panel, Gages, and Console for more information about the chime.

Refer to Keyless Entry System Description and Operation in Keyless Entry for more information about RFA.