Database Coverage Explanations

Coverage area depends upon the map detail available. Some areas have greater map detail than others. The navigation system works only as well as the information provided on the stored map data. See Map Data Updates   on how to obtain updated map information.

    See also:

    Store a Name Tag for Speed Dialing
    1. Push . System responds: “OnStar ready.”. 2. Say “Store.” System responds: “Please say the number you would like to store.”. 3. Say the entire number without pausing. System responds: “Plea ...

    Verify Minutes and Expiration
    Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...