See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Instrument Panel Cluster
The instrument panel cluster is designed to show how the vehicle is running. It shows how fast the vehicle is going, how much fuel has been used, and many other things needed to drive safely and ...

Compass Calibration
The compass can be manually calibrated. Only calibrate the compass in a magnetically clean and safe location, such as an open parking lot, where driving the vehicle in circles is not a danger. I ...