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:

    Recommended Fluids and Lubricants
    ...

    Interior
    Base-model SL G1500 vans have vinyl high-back front buckets and a pair of rear bench seats for eight-passenger capacity. A dozen people fit into the G2500/3500 vans, seated on twin three-passenger ...

    When the System Does Not Seem to Work Properly
    The following messages may be displayed on the DIC: SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer to repair the system. PARK ASSIST OFF: If the URPA system does n ...