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:

    Antilock Brake System (ABS)
    This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When the engine is started and the vehicle begins to drive away, ABS checks ...

    Before Driving
    The RSE is for rear seat passengers only. The driver cannot safely view the video screen while driving. In severe or extreme weather conditions, the RSE system may not work until the temperature ...

    Curve Tips
    ○ Take curves at a reasonable speed. ○ Reduce speed before entering a curve. ○ Maintain a reasonable steady speed through the curve ○ Wait until the vehicle is out of the cu ...