See also:

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 ...

PARKING ASSIST BLOCKED SEE OWNER'S MANUAL
If the vehicle has the Ultrasonic Rear Park Assist (URPA) system, this message displays if there is something interfering with the park assist system. See Ultrasonic Parking Assist for mor ...

Door Locks
WARNING Unlocked doors can be dangerous. - Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The chance of being thrown out of the vehicle in a crash is ...