Shifting Into Park

WARNING:
It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, use the steps that follow.
If you are pulling a trailer, see Towing a Trailer.

See also:

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Playing the Radio
(Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. The radio goes to the previous volume setting when the radio is t ...

Your Responsibility
You may need to increase the volume of your radio to hear the OnStar® advisor. If the light next to the OnStar® buttons is red, this means that your system is not functioning properly and should ...