See also:

OnStar® Destination Download (US and Canada)
OnStar Destination Download (if equipped) is a service available for OnStar subscribers that makes operating your navigation system much simpler. It allows subscribers to request and receive navig ...

Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This li ...

Lamp Messages
AFL (ADAPTIVE FORWARD LIGHTING) LAMPS NEED SERVICE This message displays when the Adaptive Forward Lighting (AFL) system is disabled and needs service. See your dealer. See Adaptive Forward Lig ...