Retrieve My Number

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

“OnStar ready.”.

2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.”

    See also:

    Comfortable, quiet ride
    In addition to delivering surprising performance, Rainier's refined powertrains and precision-engineered chassis system contribute to a comfortable, quiet ride - a Buick distinction throughout its ...

    Transferring Service
    Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

    Tire Designations
    Tire Size The following is an example of a typical passenger vehicle tire size. (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first ...