The Porsche 911 is the iconic rear-engined sports car that has defined the marque for decades, equally at home on track and road. Even this legend relies on electronic service monitoring once maintenance is done. After fresh oil you’ll reset the service interval indicator, a TPMS reset is needed whenever tyres or sensors change, and brake pad renewal may call for clearing the wear warning. Because Porsche revised these routines across the 996, 997, 991 and 992 generations, this page is organised by generation. Pick your 911 generation from the options below to reach the exact reset guide.