Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    MP3-Supported Files
    The Radio with CD (MP3), Radio with USB and CD (MP3), and Radio with USB and Six-Disc CD (MP3) have the capability of playing an MP3 CD-R or CD-RW disc. Format Radios that have the capability of pla ...

    Radios with CD and DVD
    Vehicles with a USB, CD, and DVD radio have a Bose® Surround Sound System. Some of its features are explained later in this section, “Adjusting the Speakers (Balance/Fade).” Vehicles with a USB, ...

    Speedometer
    The vehicle's speed can be selected to display on the Driver Information Center (DIC) and the speedometer in either kilometers per hour (km/h) or miles per hour (mph). Telltales on the speedom ...