See also:

Engine Power Messages
ENGINE POWER IS REDUCED This message displays and a chime may sound when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overh ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free Calling ar ...

Clock
To adjust the time and date: 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, then press to turn the radio on. 2. Press to display HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year). ...