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:
Engine Compartment Overview
A. Radiator Pressure Cap. See Cooling System on page 10‑14.
B. Engine Coolant Recovery Cap. See Cooling System on page 10‑14.
C. Remote Negative (−) Terminal. See Jump Starting o ...
Vehicle Security
This vehicle has theft-deterrent features; however, they do not make it impossible to steal. ...
Place a Call Using a Stored Number
1. Push . System responds:
“OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...