The Saab 9-5 was the Swedish marque’s flagship saloon and estate, known for its turbocharged engines, aircraft-inspired dashboard and night-panel switch. Even on a car of its era, the trip computer and service-interval display rely on stored counters that must be reset after maintenance rather than fading on their own. Typical tasks are an oil service light reset once the engine oil is renewed, a maintenance reminder reset after a full service, and on later examples a TPMS reset and brake wear indicator clear. The reset method shifted noticeably between the original GM2900-based car and the later EpsilonII generation. Pick your 9-5 generation from the list below and you’ll land on the right service reset instructions for that model year.