See also:

All-Wheel Drive
If the vehicle has this feature, engine power is sent to all four wheels when extra traction is needed. This is like four-wheel drive, but there is no separate lever or switch to engage or disenga ...

StabiliTrak® System
The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system is on when the vehicle is started. - To turn off both Traction Control and Sta ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...