Front door action
The main role of the front door of the car includes the following aspects :
Convenient for passengers to get on and off : The front door is the main passage for passengers to enter and leave the vehicle. There are door handles or electronic switches and other devices on the door. Passengers can open and close the door by pulling the door handle or pressing the electronic switch.
safety : The front door is usually equipped with a lock and unlock function, which can be unlocked by using a key or electronic lock button to protect the property and personal safety of passengers .
window control : The front door usually comes with a window control function. Passengers can control the electric window to rise or fall through the control device on the door or the window control button on the center console, providing convenience of ventilation and observation of the external environment .
external vision : The front door can also be used as an important observation window for the driver, providing the driver with a broad field of vision, enhancing the driver's sense of security and driving experience .
lighting control : The front door is usually equipped with the function of lighting control, passengers can control the interior lighting through the control device on the door or the lighting control button on the center console, so as to facilitate passengers to see the environment in the car .
In addition, the front door may also be equipped with other functions, such as airbags, audio, etc., which together guarantee the overall quality of the vehicle and the safety of the passengers .
The failure of the front door of a car may be caused by the following reasons :
: The front door of the car is equipped with an emergency mechanical lock to open the door in case the remote control key is out of power. If the bolt of this lock is not in place, it may cause the door to not open .
bolt not secured : Push the bolt inward when removing the lock. Reserve some screws outside. This may cause the side bolt to be improperly secured .
low key battery or signal interference : Sometimes a low key battery or signal interference may prevent the door from opening. Try to hold the key close to the lock core and then try to open the door again .
Door lock core is stuck or damaged : The door lock core may be stuck or damaged, preventing the door from opening. You can ask someone to help pull the door from the inside of the car, and then check whether there is a problem with the lock core .
central lock locked : if the vehicle is locked, the door cannot be opened, you need to unlock the central lock. You can attempt to unlock the center lock by using the mechanical key equipped with the vehicle .
Door handle failure : If the door handle is faulty, the door will not open properly. Try replacing the door handle .
limiter malfunction : A car door's limiter is out of function or damaged, which can also prevent the door from opening. Need to replace new stop .
lock block cable failure : if you can not open the door from the car, it may be because the car door lock block cable failure, resulting in the lock block can not work normally. At this time, you need to replace the door lock block cable .
Child lock open : Many vehicles have a child lock on the back door, which will not open if closed with the door open. The child lock needs to be adjusted to off using a one-word screwdriver .
The solution :
Use emergency switch : In some models, emergency switches can be found inside and outside the car to open the door when the door lock fails. This switch is usually located on the roof, trunk, or inside the car door. Please refer to the vehicle instruction manual for the exact location.
Check and replace the faulty parts : if it is found that the door handle, stop device or lock block is faulty, it is necessary to replace with a new part .
Contact professional maintenance personnel : if the above methods do not solve the problem, you may need to contact professional maintenance personnel for inspection and repair, may be the door control module or other hardware fault caused by .
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