SERVICE ALL WHEEL DRIVE

This message displays if a problem occurs with the All-Wheel Drive (AWD) system. The vehicle will run in 2WD. This could be caused by:
- An electronics problem
- An AWD system oil overheat
- Worn out or overheated clutch plates
- Various electrical issues

If this message appears, stop as soon as possible and turn off the ignition for 30 seconds. Restart the vehicle and check for the message on the DIC display. If the message still displays or appears again when you begin driving, the system needs service. See your dealer right away.

    See also:

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    This GM vehicle has a number of sophisticated computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and ...

    Tachometer
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    Rear Window Defogger
    The rear window defogger uses a warming grid to remove fog or frost from the rear window. It only works when the ignition is in ON/RUN. (Rear Window Defogger): Press to turn the rear window ...