See also:

Calibrate Compass
The vehicle may have this feature. The compass can be manually calibrated. To calibrate the compass through the DIC, see Compass. ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Using the System
When the driver shifts the vehicle into R (Reverse), the video image automatically appears on the navigation screen, or on the inside rearview mirror. Once the driver shifts out of R (Revers ...