Service All-Wheel Drive Light

This light should come

This light should come on briefly when you turn on the ignition, as a check to show you it is working.

The service all-wheel drive light comes on to indicate that there may be a problem with the drive system and service is required. Malfunctions can be indicated by the system before any problem is apparent, which may prevent serious damage to the vehicle. This system is also designed to assist your GM dealer in correctly diagnosing a malfunction.

    See also:

    Using the Store Command
    The store command allows a phone number to be stored without entering the digits individually. 1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed ...

    Automatic Headlamp System
    When it is dark enough outside, the Automatic Headlamp System turns on the headlamps when the vehicle is started and after the transaxle has been shifted out of the PARK (P) position. The headla ...

    Defogging and Defrosting
    Fog on the inside of windows is a result of high humidity (moisture) condensing on the cool window glass. This can be minimized if the climate control system is used properly. You can use either d ...