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:

    Engine Power Messages
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    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 ...

    Playing MP3 CD
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