1. Remove the mirror. 
2. Disengage the clip (A) from inside of outer mirror, then remove the scalp cap.
3. Disengage the clip (A) and (B) from inside of outer mirror, then remove the mirror body cover.
CAUTION:
The clip (B) can not be disengaged from inside of outer mirror. Be careful not to damage the part when removing it.
4. Secure the scalp cap and mirror body cover with clips (A).