Is there any way to turn the service light off.

You need a VAG-COM cable to reset most codes on these cars as well as to do many other procedures including resetting certain convenience items such as chimes, window and lock behavior.

I use the v-checker tool. Got one on ebay. It has a specific reset for oil changes. Otherwise, find a german auto specific shop. They will probably reset it for free.

Reset service light indicator Audi A4. That it is the full procedure how to reset service light indicator Audi A4. If you like to reset any maintenance oil light after an oil change. Or reset check engine light, airbag light, inspection key or insp errors when maint reqd, for Audi cars. Or any error which appears on the display. Write in the search box the car name for which you want to find information, and find how to reset other service reminders when by yourself.