1, the reason why the car glass fell. The reason why the window glass falls may be due to the deformation of the window guide rail, the aging of the glass guide groove assembly, or the existence of foreign objects in the window, which leads to the increase of the rising resistance of the window glass. It is recommended to go to the repair shop in time to carry out a specific inspection of the vehicle.

2. The key to the maintenance of electric windows is to keep the glass clean. Because dirty glass will greatly increase the resistance of glass lifting, accelerate the aging of motor, lever arm and lifter, and reduce the service life.