- Usage: Loose the green switch 2~3 laps to cut off the whole vehicle power; Tighten the switch properly to start the vehicle up.

- Installation: Check if the negative battery post and battery clips (original battery connector) are corrosive (white powder) or dirty, clean them (to prevent the battery and battery switch from bad contact), and then install a new battery switch.

- Applicable models: FAW-Volkswagen, SAIC Volkswagen Honda (except Fit SDL), Toyota series, Nissan series (except Sunny 2010), Volvo series, Opel series, Jeep series, Dodge series, Chery series, Brilliance series, Geely series, JAC series, Chang'an series, a variety of large trucks buses, medium-sized vans, all kinds of off-road vehicles, Mazda series, Beijing Hyundai series, KIA series, etc.