Service All-Wheel Drive Light

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:
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/3,000 mi.
Have underbody flushing service performed once a year.
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Engine Oil Pressure Light
WARNING
Do not keep driving if the oil pressure is low. The engine can become so hot that it catches fire.
Someone could be burned. Check the oil as soon as possible and have the vehicle serviced ...
Ignition Positions
The ignition switch has four different positions.
Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break the key. Use the correct key, make sure it ...
