See also:

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and n ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to ...

Traction Control System (TCS)
The traction control system limits wheel spin. The system turns on automatically every time the vehicle is started. - To turn off traction control, press and release the TCS/StabiliTrak but ...