This is how to reset the service light or service due message on your Audi Q5 This is a 2014/15 model, but as long as you have got the same multifunction display and controls, it should work for you 
Mechanic here... Just a heads up... this will only reset the oil life system. It WILL NOT reset your service due! Messge. To do that you will need a scan tool.
@@euancook2060 that’s why on my other VAG vids I say Service and inspection reset. This is just(oil) service. Inspection is with diagnostic kit unfortunately.