What Causes the Car Side Mirror to Fail to Auto-fold?
2 Answers
Car side mirrors failing to auto-fold is due to motor malfunction or a stuck limit pin. Below are specific details about the auto-folding feature of side mirrors: 1. Function: The auto-folding feature of car side mirrors refers to the ability of the left and right exterior mirrors to automatically fold and retract when necessary. This enhances passability in narrow alleys or during vehicle encounters, prevents scratches and collisions, and reduces parking space occupancy. Additionally, folding the mirrors when the owner leaves helps protect the mirror surfaces. 2. Precautions: Avoid using the electric side mirror folding feature in winter when it's icy, as it may cause damage. Also, refrain from manually adjusting electric mirrors.
From my experience in car repair, the inability of side mirrors to fold automatically is often due to motor aging or failure. Under high-temperature operation, the motor is prone to coil burnout causing jamming, or gear wear leading to seizure. Short circuits in wiring and blown fuses are also common, especially after water exposure when connectors get damp and cause open circuits. Check the mirror base for any obstructions, such as water or sand ingress during car washing. Sometimes, the control switch gets stuck or the circuit board burns out, resulting in signal interruption. I recommend manually folding the mirror to test resistance; excessive resistance indicates a mechanical issue, otherwise check the fuse box and replace any blown fuses. For prevention, keeping the mirror base clean and dry can extend its lifespan, and avoid parking outdoors during the rainy season.
