See also:

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 ...

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 ...

Courtesy Transportation Program (U.S. and Canada)
To enhance your ownership experience, we and our participating dealers are proud to offer Courtesy Transportation, a customer support program for vehicles with the Bumper-to-Bumper (Base Warranty Co ...