See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...

LEARN DELAY ACTIVE WAIT XX MIN (MINUTES)
If the vehicle has the keyless access system, this message displays when matching new transmitters to the vehicle. See the Keyless Access information for Remote Keyless Entry (RKE) System O ...

Overheated Engine Protection Operating Mode
If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. ...