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:

    OnStar Personal Identification Number (PIN)
    A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

    Safety
    All-disc antilock brakes are standard on all Terrazas. Front-wheel-drive models get standard traction control and General Motors' StabiliTrak electronic stability system. Side-impact airbags for t ...

    Vehicle Settings
    See Vehicle Personalization for more information. ...