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:

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    GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...