When should I turn my AWD on?

Choose the all-wheel-drive setting if road conditions have deteriorated, such as in snow, ice or inclement weather. Choose all-wheel drive if you are towing a heavy load or towing up a steep hill. You may also choose all-wheel drive if you enjoy a sportier, more confident handling feel even in clear, dry conditions.

When to reset service 4 wheel drive message?

2007–2009 Chevrolet Avalanche, Silverado, Silverado Hybrid, Suburban, Tahoe, Tahoe Hybrid When the trouble codes are stored and the Service 4 Wheel Drive Message is displayed, the transfer case is inoperative for the rest of that particular key cycle. It will test again and reset the message on the next key cycle if the problem hasn’t been fixed.

What happens when service 4 wheel drive trouble codes are stored?

When the trouble codes are stored and the Service 4 Wheel Drive Message is displayed, the transfer case is inoperative for the rest of that particular key cycle. It will test again and reset the message on the next key cycle if the problem hasn’t been fixed. The codes may be stored with or without you requesting a transfer case shift.

What is the GM 4 wheel drive Bulletin?

GM has issued a service bulletin # 09-04-21-001 to address a Service 4 Wheel Drive Message condition on the vehicles listed below. In addition to the Service 4 Wheel Drive Message, you may also have a C0387 or a C0569 trouble code stored. 2007–2009 Chevrolet Avalanche, Silverado, Silverado Hybrid, Suburban, Tahoe, Tahoe Hybrid

What to do when your four wheel drive light is on?

If your service light is on or if your four wheel drive system doesn’t seem to be working properly, ask one of our certified technicians to help you diagnose any problems. The most popular service booked by readers of this article is Warning Light is on Inspection.

What does service all wheel drive system [ resolved ]?

I drove to the place I work, with my wife, where she had an appointment. The car was parked there for about 25 minutes, where then my wife took the car to her job which is only about 1.5 miles away. She parked for about another 8 hrs. At 5 pm, she got in the car and was greeted with the message “Service All Wheel Drive System” on the DIC.

What happens when the service 4WD light comes on?

When the Service 4WD light comes on, it also shuts down the 4WD capability for the remainder of the drive cycle. This is a software issue and can only be corrected by flashing the computer’s memory.

When should I turn my AWD on?