See also:

Door Locks
To lock or unlock a door manually: Sedan and Wagon Base Model From the inside, use the door lock knob on the top of doors. Sedan and Wagon Uplevel Model From the inside, for a front door pull ...

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 ...

Shifting out of Park
This vehicle is equipped with an automatic transmission shift lock control system. The shift lock control is designed to prevent movement of the shift lever out of P (Park), unless the ignition is i ...