See also:

Rear Climate Control System (Rear Climate with Rear Seat Audio)
For vehicles with the rear heat and air conditioning controls, they are integrated with the rear seat audio controls located in the center console. The system can be controlled from the front cont ...

Passenger Safety Belt Reminder Light
When the vehicle is started, this light flashes and a chime may come on to remind front passengers to fasten their safety belt. Then the light stays on solid until the belt is buckled. Se ...

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 ...