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 t ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ...

Shutting the Engine Off After a Remote Start
To manually shut off a remote start: • Aim the RKE transmitter at the vehicle and press until the parking lamps turn off. • Turn on the hazard warning flashers. • Turn the ignition switch on ...