Clock - GMC 2011 Sierra Denali Owner's Manual

5-8 Instruments and Controls
3. Press the set/reset button to
start the compass calibration.
Or, if the vehicle does not have
DIC buttons, press and hold
the trip odometer reset stem
for two seconds to start the
compass calibration.
4. The DIC will display
CALIBRATING: DRIVE IN
CIRCLES. Drive the vehicle
in tight circles at less than
8 km/h (5 mph) to complete the
calibration. The DIC will display
CALIBRATION COMPLETE
for a few seconds when the
calibration is complete. The DIC
display will then return to the
previous menu.

Clock

AM-FM Radio and AM FM
Radio with CD Player
To set the clock:
1. Turn the ignition key to
ACC/ACCESSORY or ON/RUN,
O
then press the button to turn
the radio on.
2. Press the button until the hour
numbers begin to flash, then
turn the knob to increase or
decrease the hour.
3. Press the button until the
minute numbers begin to flash,
then turn the knob to increase
or decrease the minutes.
4. Press the button until the
12HR or 24HR time format
begins to flash, then turn the
knob to change the time
format.
5. Press the button again until
the clock display stops flashing
to set the currently displayed
time, or wait until the flashing
stops after five seconds and the
current time displayed
automatically sets.
MP3 Radios with a Single CD
or a Single CD and DVD Player
To adjust the time and date:
1. Turn the ignition key to
ACC/ACCESSORY or ON/RUN,
O
then press the button to turn
the radio on.
2. Press the button to display
HR, MIN, MM, DD, YYYY (hour,
minute, month, day, and year).