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
TO CHANGE COMPASS ZONE displays.

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.
5. If calibration is necessary, calibrate the compass.
See “Compass Calibration Procedure” following.
See also:
Automatic Dimming Rearview Mirror
On vehicles with an automatic
dimming inside rearview mirror the
automatic dimming reduces the
glare from the headlamps of the
vehicle behind you.
Vehicles with OnStar have three
control bu ...
Passenger Compartment Air Filter
Outside air is routed through a passenger compartment
air filter before entering the vehicle. This filter removes
certain particles from the air, including pollen and
dust particles. The filter ...
Ignition Positions
Use the key to turn the ignition switch to four
different positions.
A (LOCK): This position locks the ignition and
transmission. It is a theft-deterrent feature. You will
only be able to remo ...
