What are the reasons for the failure of folding rearview mirrors?

[SanCarter]

The reasons for the failure of folding rearview mirrors include excessively low temperatures, poor lubrication, increased resistance due to dust accumulation in the extension mechanism, and motor malfunction. The folding function of rearview mirrors allows them to be folded and retracted when necessary, and it is divided into manual and electric types. Vehicles equipped with electric folding rearview mirrors have a button inside the car; pressing it will fold both rearview mirrors. Some vehicles can also fold the rearview mirrors by pressing the lock button after locking the car. The function of automatic rearview mirrors: They can increase the passing space when vehicles meet on narrow roads and protect the rearview mirrors from damage. The solutions for automatic rearview mirrors that fail to unfold: Check the fuse and switch condition of the folding rearview mirror circuit; inspect the working condition of the rearview mirror motor—if there is no vibration, it indicates a motor malfunction; if the motor vibrates but the rearview mirror does not move, it means the gear mechanism for opening and closing is damaged and needs to be replaced.