See also:

Automatic Transmission Shift Lock
The vehicle has an automatic transmission shift lock control system. The shift lock control system is designed to: . Prevent ignition key removal unless the shift lever is in P (Park). . Prevent m ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotel ...

Battery Power Protection
The battery saver feature is designed to protect the vehicle's battery. If the exterior lamps or any interior light is left on and the ignition is turned off, the battery rundown protection ...