Car rear door L function
The L key on the rear door of a car is usually used to adjust the Angle of the rearview mirror . Specifically, when screwed to L, the left rearview mirror can be adjusted; When screwing to R, you can adjust the right rearview mirror; When you twist O, the mirrors close .
These buttons allow drivers to adjust their mirrors to the best position according to their body conditions to ensure safe driving .
The rear door is the door at the rear of a car. It is often called the trunk door, trunk door, or tailgate. Their main function is to allow passengers to get on and off the bus and to protect the space inside the car .
Type and design
The type and design of car rear doors vary by model and use:
car : usually there are two rows, the front door and the back door. The front door is for the main driver and co-pilot, and the back door is for the passenger.
commercial vehicle : usually side sliding door or hatchback door design, convenient for passengers to enter and exit.
truck : usually adopts double fan opening and closing design, easy to load and unload goods.
special vehicle : such as engineering vehicles, fire trucks, etc., according to their special needs there are different kinds of doors designed, such as side open, back open, .
Care and maintenance advice
In order to ensure the normal operation and extend the service life of the rear door of the car, it is recommended to carry out the following maintenance and maintenance regularly:
Check hinges and slides : Make sure hinges and slides are not loose or worn, lubricate if necessary.
Clean door seams : Clean dust and debris in door seams regularly to prevent them from getting stuck or affecting the tightness.
Check the lock : Make sure the lock is working properly and is not damaged or loose.
Adjust the door clearance : Check the door clearance regularly to ensure that the door is open and closed smoothly without abnormal noise.
collision prevention : Avoid accidental impact on the door and protect the integrity of the door and body.
The main reasons why the rear door of a car cannot be closed are as follows :
Insufficient or faulty lock motor pull : Insufficient or damaged lock motor pull will cause the rear door to fail to lock. In this case, it is recommended to go to the 4S shop to replace the new door lock motor .
lock rust or corrosion : If the lock rust or corrosion, the lock will not work properly. Replacing the lock with a brand new one can solve the problem .
line problem of the central control system : poor line contact, short circuit, or open circuit of the central control system may also cause the rear door cannot be locked. Checking and fixing wiring problems can solve this problem .
lock mechanism resistance : the internal resistance of the lock mechanism increases, usually due to the rust of the mechanism. Professional maintenance can solve the problem .
lock motor lock position offset : lock motor lock position offset will cause the rear door cannot be locked. Go to the maintenance site to adjust and return to normal .
Remote lock failure : A remote lock failure or aging antenna of the remote transmitter can also cause the rear door to fail to lock. Mechanical keys can be used to lock .
magnetic field interference : there is strong magnetic field signal interference around the car, and the smart key cannot work normally. Parking the car elsewhere can solve the problem .
door not closed : This can also happen when car owners leave the car without closing the door properly. Just re-close the car door .
The solution :
replace the lock motor : if the lock motor tension is insufficient or damaged, it is recommended to go to the 4S shop to replace the new lock motor .
Replace the lock : if the lock is rusted or corroded, a brand new lock can solve the problem .
Check and repair circuit problems : check the circuit of the central control system, repair poor contact, short circuit or open circuit .
Adjust the lock motor latch position : if the lock motor latch position is offset, go to the maintenance site to adjust it can be restored to normal .
Use the mechanical key : if the remote control lock does not work, you can use the mechanical key to lock .
Avoid magnetic field interference : Park your car where there is no magnetic field interference .
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