You just set 3 service interval indicators, 1 is for oil mileage, the 2nd is for service mileage, and the 3rd is for service time. It's very simple to do and takes less than 5 minutes. You can set both mileage intervals to 99Kilometers (yes it's set in kilo's)and I believe that you can set the time interval up to 9K days! .

audi a4 b5 reset service