3 Modes Introduction: 1.Auto-off Mode: every time the car is started, the start-stop will be automatically turned off. If it is manually turned on while driving, it will be turned off after turned off and blocked the car. 2.Memory Mode: Manually switch the start-stop switch once, and the start-stop state will be saved and memorized, and will not be affected by power failure of car. 3.Service Mode (original factory mode): Start-stop treasure does not work by default, the effect is the same as do not install the cable. (Auto - off mode by default before shipment)