Verify Minutes and Expiration

Push OnStar Mobile App and say “minutes” then “verify” to check how many minutes remain and their expiration date.

    See also:

    XM Radio Messages
    XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer's request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada. XM Updating: The encryption ...

    Vehicle Information Menu Items (with DIC Buttons)
    (Vehicle Information): Press this button to scroll through the following menu items: ...

    Automatic Transmission Fluid
    It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer and have it repaired as soon a ...