Hands-Free Calling

1. Push “OnStar ready.” 2. Say “Dial.” System responds:. 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:

    Engine Power Messages
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    Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
    To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...

    Guidelines
    The RVC system has a guideline overlay that can help the driver align the vehicle when backing into a parking spot. If the vehicle has dual rear wheels, this feature will not be available. To turn t ...