GM Service Manual Online
For 1990-2009 cars only

Without Date Display

AM/FM Base Radio with a Single CD Player

To set the time:

  1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. Press to turn the radio on.
  2. Press until the hour begins flashing on the display. Press a second time and the minute begins flashing on the display.
  3. While either the hour or the minute numbers are flashing, turn to increase or decrease the time.
  4. Press again until the clock display stops flashing to set the currently displayed time; otherwise, the flashing stops after five seconds and the current time displayed is automatically set.

To change the time default setting from 12 hour to 24 hour, press and then the pushbutton located below the forward arrow tab. Once the time 12H and 24H are displayed, press the pushbutton located below the desired option to select the default. Press again to apply the selected default, or let the screen time out.

With Date Display

Radio with CD (MP3) and USB Port, and Radio with Single CD (MP3) Player

To set the time and date:

  1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. Press to turn the radio on.
  2. Press and the HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year) displays.
  3. Press the softkey located below any one of the tabs that you want to change.
  4. To increase the time or date do one of the following:
  5. • Press the softkey located below the selected tab.
    • Press SEEK, or FWD.
    • Turn clockwise.
  6. To decrease the time or date do one of the following:
  7. • Press SEEK or REV.
    • Turn counterclockwise.

The date does not automatically display. To see the date press while the radio is on. The date with display times out after a few seconds and goes back to the normal radio and time display.

To change the time default setting from 12 hour to 24 hour or to change the date default setting from month/day/year to day/month/year:

  1. Press and then the softkey located below the forward arrow label. Once the time 12H and 24H, and the date MM/DD/YYYY (month, day, and year) and DD/MM/YYYY (day, month, and year) displays.
  2. Press the softkey located below the desired option.
  3. Press again to apply the selected default, or let the screen time out.

Six-Disc CD (MP3) Player

To set the time and date:

  1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. Press to turn the radio on.
  2. Press MENU.
  3. Press the softkey below the tab. The HR, MIN, MM, DD, YYYY displays.
  4. Press the softkey below any one of the tabs you want to change.
  5. To increase the time or date do one of the following:
  6. • Press the softkey located below the selected tab.
    • Press SEEK, or FWD.
    • Turn clockwise.
  7. To decrease the time or date do one of the following:
  8. • Press SEEK or REV.
    • Turn counterclockwise.

The date does not automatically display. To see the date press MENU and then softkey below the tab while the radio is on. The date with display times out after a few seconds and goes back to the normal radio and time display.

To change the time default setting from 12 hour to 24 hour or to change the date default setting from month/day/year to day/month/year:

  1. Press MENU, and then the softkey below the tab. The HR, MIN, MM, DD, YYYY displays.
  2. Press the softkey below the forward arrow tab. 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 softkey located below the desired option.
  4. Press MENU again to apply the selected default, or let the screen time out.

To set the time and date:

  1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. Press to turn the radio on.
  2. Press and the HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year) displays.
  3. Press the softkey located below any one of the tabs that you want to change.
  4. To increase the time or date do one of the following:
  5. • Press the softkey located below the selected tab.
    • Press SEEK, or FWD.
    • Turn clockwise.
  6. To decrease the time or date do one of the following:
  7. • Press SEEK or REV.
    • Turn counterclockwise.

The date does not automatically display. To see the date press while the radio is on. The date with display times out after a few seconds and goes back to the normal radio and time display.

To change the time default setting from 12 hour to 24 hour or to change the date default setting from month/day/year to day/month/year:

  1. Press and then the softkey located below the forward arrow label. Once the time 12H and 24H, and the date MM/DD/YYYY (month, day, and year) and DD/MM/YYYY (day, month, and year) displays.
  2. Press the softkey located below the desired option.
  3. Press again to apply the selected default, or let the screen time out.