Clock, Clock -7, Brake – GMC 2012 Sierra User Manual

Page 145

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GMC Sierra Owner Manual - 2012 - CRC - 11/15/11

Instruments and Controls

5-7

To calibrate the compass, use the
following procedure:

Compass Calibration Procedure

1. Before calibrating the compass,

make sure the compass zone is
set to the variance zone in which
the vehicle is located. See
“Compass Variance (Zone)
Procedure” earlier in this
section.

Do not operate any switches
such as window, sunroof,
climate controls, or seats during
the calibration procedure.

2. Press the vehicle information

button until PRESS

V

TO

CALIBRATE COMPASS
displays. Or, if the vehicle does
not have DIC buttons, press the
trip odometer reset stem until
CALIBRATE COMPASS
displays.

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, then
press the

O

button to turn the

radio on.

2. Press the

H

button until the hour

numbers begin to flash, then
turn the

f

knob to increase or

decrease the hour.

3. Press the

H

button until the

minute numbers begin to flash,
then turn the

f

knob to increase

or decrease the minutes.

4. Press the

H

button until the

12HR or 24HR time format
begins to flash, then turn
the

f

knob to change the time

format.

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