Compass Variance (Zone) Procedure
1. Do not set the compass zone when the vehicle is moving.
On an automatic transmission vehicle, only set it when the vehicle is in P (Park). On a manual transmission vehicle, only set it when the vehicle is stopped.
Press
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
to scroll through
and select the appropriate
variance zone.
4. Press
until the
vehicle heading, for example,
N for North, is displayed in
the DIC.
5. Calibrate the compass.
See “Compass Calibration Procedure” following.
See also:
California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, safety belt
pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters,
may contain perchlorate materi ...
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags
in the Hands-Free Directory that is
shared between the Bluetooth and
OnStar systems.
The following commands are used
to delete and s ...
Park Brake and P (Park) Mechanism Check
WARNING
When you are doing this check, the vehicle could begin to move.
You or others could be injured and property could be damaged.
Make sure there is room in front of the vehicle in case it beg ...






