MP3 Radio with a Six-Disc CD Player
To set the time and date:
1. Turn the ignition key to ACC/ ACCESSORY or ON/RUN, then press the 
button to turn the radio on.
2. Press the MENU button and then the softkey under the 
tab to display HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year).
3. Press the softkey located under any one of the tabs to change that setting.
4. To increase the time or date, do one of the following:
• Press the softkey below the selected tab.
• Press the 
SEEK button.
• Press the 
FWD button.
• Turn the 
knob clockwise.
5. To decrease the time or date, do one of the following:
• Press the 
SEEK button.
• Press the 
REV button.
• Turn the 
knob counterclockwise.
To change the time default setting from 12 hour to 24 hour or to change the date default setting from month/ day to day/month:
1. Press the MENU button and then the softkey under the tab.
2. Press the softkey located below the forward arrow tab. 12H, 24H, the date MM/DD (month and day), and DD/MM (day and month) displays.
3. Press the softkey located below the desired option.
4. Press the MENU button again to apply the desired option, or let the screen time out.
See also:
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Manage your vehicle (U.S.) at gmc.com. Click on “Owners,” then “Manage My GMC/Owners Login.”
Information and services customized for your specific vehicle — all in one convenient place.
...
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