Hands-Free Calling

1. Push “OnStar ready.”.. 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 area code. System responds:

“OK calling.”

    See also:

    StabiliTrak® System
    StabiliTrak assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is started. - To turn off both traction ...

    Recommended Fuel
    Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when d ...

    Roadside Service
    U.S.: 1-800-224-1400 Canada: 1-800-882-1112 TTY Users (U.S. only): 1-888-889-2438 Mexico: 01-800-466-0805 As the owner of a new Cadillac, you are automatically enrolled in the Roadside Service ...