... . built-up device auto alarm system, hidden car alarm for fuel line, hidden car alarm for fuel line, auto ... appoint at the step 2.4. The alarm will be unchained. OK, Drive now!Guard: After stopping the engine, ... in the guarded status.Installation:Install the Hidden Alarm at a concealed place, near to the fuel ... through a switch in the car. car alarm high quality & safe hidden car alarm for fuel line