自动挡汽车档位介绍（Introduction of automatic gear shift）.doc

自动挡汽车档位介绍（Introduction of automatic gear shift） In general, the automatic transmission of automatic transmission gear stalls are divided into P, R, N, D, 2 (or S), L (or 1) and so on. The following details are described below: P (Parking) parking, or parking gear: P is used as a parking device. It uses a mechanical device to lock the moving parts of the car so that the car can not move. When the engine is running, the automatic transmission car is easy to walk as long as the selector lever is in the running position. While parking, the selector lever must be pulled into the P position, thus locking the output shaft through the parking brake device in the transmission and tightening the handbrake to prevent the vehicle from moving. When the car needs to stay in a fixed position for a long time, or before leaving the vehicle after the docking, you should pull the brake and push the lever to the position of P. It should be noted that the P must be used only when the vehicle is completely stopped. Otherwise, the mechanical part of the automatic transmission will be damaged. When you do not have parking stalls, here, at this time the wheels locked in a state machine can prevent slip. In addition, the automatic transmission car with neutral start switch, so that the car can only P or N file to start the engine, so as to avoid the other gear on the wrong start when the car suddenly jumped forward. R (Reverse) reverse gear: R is used when reversing. Automatic transmissions dont use semi linkage as opposed to manual transmissions, so you should pay special attention to the control of the accelerator pedal when reversing. Usually according to the allocated link on the insurance button, Bogan will be moved to the R file. It should be noted that when the vehicle has not completely stopped, absolutely can not forcibly transferred to the R file, otherwise the transmission will be seriously damaged. N (Neutral) neutral: A N position is a neutral position, which can be used at star