See also:

OnStar®
OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services. ...

Wipe Parking
If the ignition is turned to LOCK/ OFF while the wipers are on 1, 2, or , they will immediately stop. If the windshield wiper lever is then moved to before the driver door is opened, or within 1 ...

Horn
Press near the horn symbols or press on the steering wheel pad to sound the horn. ...