Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Voice Pass-Thru
    Voice Pass-Thru allows access to the voice recognition commands on the cell phone. See the cell phone manufacturers user guide to see if the cell phone supports this feature. This feature can be ...

    English and Metric Unit Conversion
    To change the display units between English and metric units, see Driver Information Center (DIC) . ...

    RDS Messages
    ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! displays. You will hear the announcement, even if the volume is low or a ...