Verify Minutes and Expiration

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

    See also:

    Braking
    Braking action involves perception time and reaction time. Deciding to push the brake pedal is perception time. Actually doing it is reaction time. Average driver reaction time is about thr ...

    Side Blind Zone Alert (SBZA)
    If available, this feature will alert you to vehicles located in the vehicle's side blind zone. When the system detects a vehicle in the side blind zone, the SBZA display will light up in the ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...