... by remote or car alarm system.then:you can press "LOCK" button 3 times to start the engine.( ... signal can choosepositive or negative electricity)1.In 5 seconds,press "LOCK" button 3 times on remote controller,the ... theignition 3 times.4.If the turn on ACC,and press "LOCK" button 3 times,the engine will not start ... lock main unit, SA02 remote Car Engine Starter /Press "LOCK" 3 times to start your engine