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:

    Reclining Seatbacks
    WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving. WARNING If either se ...

    Turning a Function On or Off
    1. Turn the Menu knob to highlight the function. 2. Press SELECT to turn the function on or off. ...

    Menu System
    Controls The Menu knob, SELECT button, and BACK button are used to navigate the menu system. Menu Knob: Turn to: • Enter the menu system. • Highlight a menu option. • Select a value. ...