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:

    Battery
    If the vehicle is a hybrid, see the hybrid supplement for more information. Refer to the replacement number on the original battery label when a new battery is needed. See Engine Compartment Overvi ...

    Hill Start Assist (HSA)
    This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearwa ...

    Parking on Hills
    WARNING! Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the t ...