1 Find the source of the fault, let the professional maintenance personnel adjust the gap.
2, the door switch is penetrated, if the door limit is normal, it is only the switch, it is recommended to clean up the door hinge, re-use the white oil.
3, if the door limit is normal, the door hinge cannot be lubricated, which is generally adjusted to adjust the door of the door, and then resolve 90% failure after re-tightening.
4, if the door switch is penetrating and the door limit function is invalid, the professional maintenance master needs to check the vehicle limiter.