Turn key to the 2nd stage 1 being accessories. press the trip & cancel buttons together hold for about 5 to 7 seconds then dissplay will show nothing press againe immediatly for about 5/6 seconds will go into change mode car serial number will be shown where milage was then use the trip button only to navigate to the sign saying service due then hold down cancel button untill it changes coloure from green to red or visa versa then it will beep pres cancel then turn ingision off re-start car

Hi,I had the same situation and now I call the dealer service department for every specific vehicle and they give me the settings to reset them, they are very friendly all the time....

Just use odb socket and any diagnostic tool takes two seconds.regards willem booms