See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Compass
There is a compass display in the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, and vehicle sp ...

Console Shift
If the console shifter cannot be moved out of P (Park) 1. Apply and maintain the regular brakes. 2. Turn the ignition to ON/RUN position. See Ignition Positions for more information. 3. Let up o ...