B PERFORMING OPERATIONS; TRANSPORTING
B60 VEHICLES IN GENERAL
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
B60R25/00 Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
B60R25/30 Detection related to theft or to other events relevant to anti-theft systems
B60R25/31 of human presence inside or outside the vehicle