GM Service Manual Online
For 1990-2009 cars only

Enabling/Disabling the Digital Radio Clock

Your vehicle has an analog clock as well as the digital radio clock. At the time of new vehicle delivery, the digital radio clock display should be disabled. If you decide to use the digital radio clock as well as the analog clock, you can change the setting to enable the radio clock display.

Turn the radio clock display on or off by following these steps:

  1. Turn the radio on.
  2. Press the clock button until the clock and date setting menus appear.
  3. Press the pushbutton located under the forward arrow label until the menu for default clock and date settings appear.
  4. Press the pushbutton located under the currently displayed status of either ON or OFF. The ON display indicates the radio clock display is disabled and the OFF display indicates the radio clock display is enabled. Press this pushbutton to toggle the radio clock display on or off.
  5. If the radio clock display is turned on, the screen displays Radio Clock ON for 10 seconds, then returns to the original clock display menu.

    If the radio clock display is turned off, the screen displays Radio Clock OFF for 10 seconds. The menus for clock and date settings are removed, and ON displays as a current status indicating that the clock display can be turned on, if desired.

The radio clock and analog clock are not synchronized. Occasionally you might need to set the digital radio clock using the procedure below to synchronize both clocks.

Setting the Time and Date on the Digital Radio Clock

If your vehicle has a radio with a single CD player, it has a clock button for setting the time and date. To set the time and date, do the following:

  1. Turn the radio on.
  2. Press the clock button and HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year) displays.
  3. Press the pushbutton located under each one of the labels that you want to change. Every time the pushbutton is pressed again, the time or the date if selected, increases by one.
  4. • Another way to increase the time or date, is to press the right SEEK arrow or the FWD (forward) button.
  5. To decrease the time or date, press the left SEEK arrow or the REV (reverse) button. You can also turn the tune knob, located on the upper right side of the radio faceplate, to adjust the selected setting.

Changing the Time and Date Default Setting

To change the time and date default setting, do the following:

  1. Change the time default setting from 12 hour to 24 hour or the date default setting from month/day/year to day/month/year, by pressing the clock button.
  2. Once the clock and date settings display along with the forward arrow, press the pushbutton located under the forward arrow until the time 12H and 24H, and the date MM/DD/YYYY (month, day, and year) and DD/MM/YYYY (day, month, and year) displays.
  3. Press the pushbutton located under the desired option, then press the clock button again to apply the selected default, or let the screen time out.

Enabling/Disabling the Digital Radio Clock

Your vehicle has an analog clock as well as the digital radio clock. At the time of new vehicle delivery, the digital radio clock display should be disabled. If you decide to use the digital radio clock as well as the analog clock, you can change the setting to enable the radio clock display.

Turn the radio clock display on or off by following these steps:

  1. Turn the radio on.
  2. Press the MENU button until the clock label display appears.
  3. Press the pushbutton located under the clock label until the clock and date settings appear.
  4. Press the pushbutton located under the forward arrow label until the menu for default clock and date settings appear.
  5. Press the pushbutton located under the currently displayed status of either ON or OFF. The ON display indicates the radio clock display is disabled and the OFF display indicates the radio clock display is enabled. Press this pushbutton to toggle the radio clock display on or off.
  6. If the radio clock display is turned on, the screen displays Radio Clock ON for 10 seconds, then returns to the original clock display menu.

    If the radio clock display is turned off, the screen displays Radio Clock OFF for 10 seconds. The menus for clock and date settings are removed, and ON displays as a current status indicating that the clock display can be turned on, if desired.

The radio clock and analog clock are not synchronized. Occasionally you might need to set the digital radio clock using the procedure below to synchronize both clocks.

Setting the Time and Date on the Digital Radio Clock

If your vehicle has a radio with a six-disc CD player, it has a MENU button for setting the time and date. To set the time and date, do the following:

  1. Turn the radio on.
  2. Press the MENU button until the clock option is displayed.
  3. Press the pushbutton located under the clock label and the HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year) displays.
  4. Press the pushbutton located under each one of the labels that you want to change. Every time the pushbutton is pressed again, the time or the date if selected, increases by one.
  5. • Another way to increase the time or date, is to press the right SEEK arrow or the FWD (forward) button.
  6. To decrease the time or date, press the left SEEK arrow or the REV (reverse) button. You can also turn the tune knob, located on the upper right side of the radio faceplate, to adjust the selected setting.

Changing the Time and Date Default Setting

To change the time and date default setting, do the following:

  1. Change the time default setting from 12 hour to 24 hour or the date default setting from month/day/year to day/month/year, by pressing the MENU button.
  2. Once the clock symbol displays, press the pushbutton located under that symbol until the time and date settings display along with a forward arrow.
  3. Press the pushbutton located under the forward arrow until the time 12H and 24H, and the date MM/DD/YYYY (month, day, and year) and DD/MM/YYYY (day, month, and year) displays.
  4. Press the pushbutton located under the desired option, then press the MENU button again to apply the selected default, or let the screen time out.