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 ...

Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

Using the “Digit Store” Command
If an unwanted number is recognized by the system, say “Clear” at any time to clear the last number. To hear all of the numbers recognized by the system, say “Verify” at any time. 1. Press a ...