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:

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

    Battery Load Management
    The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When t ...

    Engine Oil Pressure Light
    WARNING Do not keep driving if the oil pressure is low. The engine can become so hot that it catches fire. Someone could be burned. Check the oil as soon as possible and have the vehicle serviced ...