See also:

TIRE LEARNING ACTIVE
This message displays when the Tire Pressure Monitor System (TPMS) is re-learning the tire positions on the vehicle. The tire positions must be re-learned after rotating the tires or after ...

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 ...

TTY Users
OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle. The available dealer–installed TTY system can provide in-vehicle acces ...