What these guys do is, they short circuit my friend alarm from small side fender signal and completely cut the battery grounding cable, so your other backup battery would not working at all...damn those so clever..smash the driver mirror and robe what they can....so if someone selling 1 pair evo6 recaro seat, carbon fiber ralliart gear knob, limited ralliart floormate and 3 units defi meters without sensor,please caution......