See also:

Horn
Press on the steering wheel pad to sound the horn. ...

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

Starting the Vehicle Messages
FAST IDLE ON If your vehicle has this feature, this message displays when the fast idle feature is on. See Fast Idle System on page 9‑31 for more information. ...