Hummer 2010 H3 - Manual (Page 118)

5-4 Instruments and Controls
Compass Calibration
The compass may need to be
calibrated if CAL is not displayed
and the compass requires
calibration. Press and hold
O
until
CAL displays in the compass
window, then release the button.
The compass is now in
calibration mode.
. Drive the vehicle in circles
at less than 8 km/h (5 mph)
until CAL is no longer displayed
in the compass window. Then
continue to drive to make sure
all eight directions are available.
. Drive the vehicle under normal
operating conditions.
Compass Variance
The mirror is set to zone eight.
If you do not live in zone eight or
drive out of the area, the compass
variance needs to be changed to
the appropriate zone.
To adjust for compass variance:
1. Find your current location and
variance zone number on the
following zone map.
2. Press and hold
O
for
six seconds until ZONE
displays. Release the button.
The compass is now in
zone mode.
3. Keep pressing
O
until the
desired zone number displays.
Release the button. After
four seconds, the new zone
number locks in and the
compass display returns.
Clock
The clock can be set with the
ignition on or off. Use the H and
M buttons located on the lower left
side of the radio.
To set the clock:
1. Press and hold H until the
correct hour and AM or PM
displays.
2. Press and hold M until the
correct minute displays.
Press DISP (Display) to display the
time while the ignition is turned off.