Application‑oriented Automotive Electronics Sensor segmentation classifies sensors according to the vehicle systems they serve. Primary applications are Advanced Driver‑Assistance Systems (ADAS), safety (airbag, occupant‑presence), powertrain (engine, transmission), infotainment (voice‑control, gesture), and body & chassis (door‑open, lighting). ADAS absorbs the largest slice—approximately 30% of total sensor sales—because it aggregates multiple sensor types for perception, decision‑making, and actuation. Safety applications follow with 25%, driven by regulatory mandates for crash‑worthiness and occupant protection. Powertrain sensors, responsible for combustion efficiency and emissions compliance, command 20% of the market. Infotainment, expanding with connected‑car features, holds 15%, while body & chassis, encompassing convenience and aesthetic functions, accounts for the remaining 10%. This application‑centric market taxonomy highlights the differential contribution of each vehicle subsystem to the overall sensor market, guiding investment and R&D priorities.