The Cadillac ATS is a compact rear-drive luxury sedan (and coupe) engineered to challenge the segment’s German benchmarks on agility. Beneath its athletic body sit modules that count down to each service and won’t reset on their own once the work is done. The oil service reset follows an engine oil change, while you might also perform a maintenance reminder reset, a TPMS reset after the tyre pressures have been set, or a brake pad wear reset with new pads installed. Steering angle re-learning can follow alignment. Since the ATS’s reset menus and controls differ between model years, every walkthrough here is grouped by generation. Pick your ATS generation below to open the matching instructions.