Unclip electric wire for microswitch from the bottom part of door handle.
将微动开关的电线从车门把手底部分开。
2
If this positioning is reversed there is a risk of the carabiner twisting and allowing the rope to escape or the carabiner to unclip itself.
如果放反了，存在快挂扭转的可能性，导致绳子从锁中脱落。
3
If there are still some dust blobs, unclip the ribbon connectors with your finger-nail and remove the board (four screws). You can then spray out the whole optical block.