Gas station automatic car washing machine attention The common automatic car wash is a tunnel car wash machine to achieve car washing, the so-called tunnel car wash is the conveyor belt pulling the car through the tunnel of the same car wash machine and then to complete a series of car washing processes. Such a car wash does not need to turn off the engine, because the direction wheel of the car is in a state of holding the dead, so that the conveyor belt is not able to pull the car. It should be hung in neutral or N gear, but do not turn off the engine, so that you can pull the car without harming the direction system. If the reciprocating car washing machine, the car does not need to move the machine around the car, which can turn off the handbrake. Tunnel Car Washing Machine Cars are now controlled by computer intelligence, and the state can only work normally when the engine is not turned off. The car washing machine at the gas station washes the body with a large amount of f…