OnStar

See also:

Cargo Management System
To open the cargo management system, press the rear of the handle to unlatch it and then lift the handle up. A prop rod locks to hold the cover up when opened. Four hooks are located on ...

Twilight Sentinel
This feature automatically turns the lamps on and off. A light sensor on top of the instrument panel makes the Twilight Sentinel® work, so be sure it is not covered. With Twilight Sentinel th ...

Torque Lock
If you are parking on a hill and you do not shift the transmission into P (Park) properly, the weight of the vehicle can put too much force on the parking pawl in the transmission. It might be dif ...