... .4, in a counterclockwise direction will air pump nozzle, loosen, pull the cigarette plug in from the cigarette.5, around the wire and rubber ... from the battery connector electrical and air compressor can.Notes: 1)· the products cannot be used in large trucks; 2)when you use it ... off the power, remove the gas nozzle, do it again. 4) every 15 minutes, it is best to take a break ...