Clock

To adjust the time and date:
1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, then press 2. Press  to display HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year). to turn the radio on.
2. Press 3. Press the pushbutton located under any one of the labels to be changed. to display HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year).
3. Press the pushbutton located under any one of the labels to be changed.
4. To increase the time or date, do one of the following:
• Press the pushbutton below the selected label.
• Press • Press  FWD. SEEK.
• Press • Turn  clockwise. FWD.
• Turn 5. To decrease the time or date, do one of the following: clockwise.
5. To decrease the time or date, do one of the following:
• Press • Press  REV. SEEK.
• Press • Turn  counterclockwise. REV.
• Turn 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: counterclockwise.

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 2. Press the pushbutton located under the desired option. and then the pushbutton located under the forward arrow that displays on the radio screen until the time 12H (hour) and 24H (hour), and the date MM/DD (month and day) and DD/MM (day and month) display.
2. Press the pushbutton located under the desired option.
3. Press Power Outlets again to apply the selected default, or let the screen time out.

    See also:

    Fuses and Circuit Breakers
    If the vehicle is a hybrid, see the hybrid supplement for more information. The wiring circuits in the vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusibl ...

    Responsive driving experience
    The '07 Yukon and Yukon Denali are built on GM's new full-size SUV platform, which incorporates features such as a new, fully boxed frame, coil-over-shock front suspension and rack-and-pinion stee ...

    Starting the Engine
    Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the vehicle when it is already moving, use N (Neutral) only. Notice: Do not try to shi ...