See also:

Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation needs, your ...

Horn
To sound the horn, press the center pad on the steering wheel. ...

Hands-Free Calling
1. Push System responds: “OnStar ready.” 2. Say “Dial.” System responds: “Please say the name or number to call.” 3. Say the entire number without pausing, including a “1” and the ...