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

2. Find the vehicle's current location and variance zone number on the map.

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 two seconds to select the next available variance zone. Repeat this step until the appropriate variance zone is displayed.

5. If calibration is necessary, calibrate the compass. See “Compass Calibration Procedure” following.

    See also:

    DIC Buttons
    The buttons are the trip/fuel, vehicle information, customization, and set/ reset buttons. The button functions are detailed in the following pages. (Trip/Fuel): Press this button to display the o ...

    Engine Oil
    For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...

    Engine Oil
    To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: ○ Always use ...