See also:

Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...

Automatic Transmission
The automatic transmission has a shift lever located on the console between the seats. The mode or selected gear is shown in the instrument cluster P (Park): This position locks the drive wheels ...

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 ...