Why does the Service AWD light turn on and off

Hello, Dave here, contributing to RepairPal and providing expert advice since 2010. This concern sounds like a failure is occurring with the all wheel drive system. Diagnostic testing is needed to find out what is happening. There will be trouble codes set that can give clues to a technician to drill down to the source of the problem. Reach out to a shop near you for further guidance. https://repairpal.com/auto-repair-near-me Click the link or call us at 877-913-1554. We'll gladly find you a certified RepairPal shop in your area.