GM Service Manual Online
For 1990-2009 cars only
  1. Press the (tune/select) knob (the passenger side knob) to enter the main menu.
  2. Turn the same knob until SET CLOCK displays.
  3. Press this knob to select SET CLOCK.
  4. Turn this knob to adjust the time.
  5. Press the same knob to update the time. VEHICLE TIME UPDATED displays.

If the CLOCK/RADIO DISP (display) is programmed into one of the configurable keys, pressing the key switches the display back to the clock set function. The time and date always appears on the radio display. See "Configurable Radio Display Keys" later in this section for more information on configuring the keys.

Setting the Date

  1. Press the knob (the passenger side knob) to enter the main menu.
  2. Turn the same knob until SET DATE displays.
  3. Press this knob to select SET DATE.
  4. Turn this knob to adjust the date.
  5. Press the same knob to update the time. VEHICLE DATE UPDATED displays.

If the DATE is programmed into one of the configurable keys, pressing the key switches the display back to the date set function. The time and date always appears on the radio display. See "Configurable Radio Display Keys" later in this section for more information on configuring the keys.