OnStar Services
See also:
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 ...
Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...
Doing Your Own Service Work
WARNING
You can be injured and the vehicle could be damaged if you try to do service
work on a vehicle without knowing enough about it. . Be sure you have sufficient
knowledge, experience, the pr ...





