Compass - GMC 2012 Sierra Denali Owner's Manual

5-6 Instruments and Controls

Compass

The vehicle may have a compass in
the Driver Information Center (DIC).
Compass Zone
The zone is set to zone eight upon
leaving the factory. Your dealer will
set the correct zone for your
location.
Under certain circumstances,
such as during a long-distance,
cross-country trip or moving to a
new state or province, it will be
necessary to compensate for
compass variance by resetting the
zone through the DIC if the zone is
not set correctly.
Compass variance is the difference
between the earth's magnetic north
and true geographic north. If the
compass is not set to the zone
where you live, the compass may
give false readings. The compass
must be set to the variance zone in
which the vehicle is traveling.
To adjust for compass variance, use
the following procedure:
Compass Variance (Zone)
Procedure
1. Do not set the compass zone
when the vehicle is moving.
Only set it when the vehicle is
in P (Park).
Press the vehicle information
button until PRESS
CHANGE COMPASS ZONE
displays. Or, if the vehicle does
not have DIC buttons, press the
trip odometer reset stem until
CHANGE COMPASS ZONE
displays.
TO
2. Find the vehicle's current
location and variance zone
number on the map.
Zones 1 through 15 are
available.
3. Press the set/reset button to
scroll through and select the
appropriate variance zone.
4. Press the trip/fuel button until
the vehicle heading, for
example, N for North, is
displayed in the DIC. Or, if the
vehicle does not have DIC
buttons, press and hold the
trip odometer reset stem for