Rear door action
The main role of the car rear door includes the following aspects :
Convenient access : The rear door of the car is the main passage for passengers to enter and exit the vehicle, especially when the rear passengers get on and off the car, the opening and closing of the rear door is convenient and quick .
loading cargo : Rear doors are usually designed to be larger for passengers to stowed luggage or cargo. In some models, the rear door can also be used as a cargo door, especially in SUVs and vans .
auxiliary driving : in reversing, side parking and reversing into the depot, the back door can play a role of auxiliary observation, to help the driver better grasp the situation behind the vehicle .
emergency escape : in special circumstances, such as when the four doors cannot be opened, the vehicle personnel can quickly leave the vehicle through the emergency opening device at the back door to ensure safe evacuation .
The common causes and solutions of car rear door failure include the following :
Door lock failure : The failure of the door lock is a common reason for the door not to open. You can try to operate the door handle from inside and outside the car at the same time to see if there is improvement. If the door lock feels stuck or abnormal, it may need to be replaced or repaired .
Child lock enabled : Most cars have child locks on the rear doors, usually on the side of the door. If the child lock is enabled, the door cannot be opened from inside the car. Simply turn the child lock to unlock position .
central control lock : When most models reach a certain speed, the central control lock will be automatically activated, and the car cannot open the door at this time. The center lock can be closed or the passenger pulls the mechanical lock pin to solve .
damaged door handle : A damaged door handle will prevent the door from opening. Check the handle for looseness or cracks. If any damage is found, contact repair service for replacement .
electronic control system : The door lock system of modern automobiles is often connected to the electronic control system, the problem of the electronic control system may affect the operation of the door. Try restarting the car's power supply to see if it shows signs of returning to normal. If the problem persists, it is recommended to go to the professional maintenance station .
Door hinges or latches : Rusty door hinges or latches stuck may also prevent doors from opening. Regular lubrication of door hinges can prevent this problem .
internal structural problems : Problems with the internal connecting rod or locking mechanism of the door can also sometimes cause the door to fail to open. This usually requires disassembling the door panel for inspection, it is recommended to seek the help of a professional technician .
aging seal : Aging or deformation of the door seal will affect the opening and closing of the door. Replace the rubber strip .
Other reasons : including short circuit of the alarm, door handle failure, internal parts damaged or falling off, vehicle control module failure, etc., may also cause the rear door to fail to open. Need to check the relevant parts and timely repair or replacement .
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