OnStar Services

See also:

Engine Power Messages
ENGINE POWER IS REDUCED This message displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there is no ...

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). ...

Memory Seat and Mirrors
On vehicles with the memory feature the buttons are located on the driver’s door. 1: Saves the seating position for driver 1. 2: Saves the seating position for driver 2. : Recalls the easy exi ...