6.) Remove mirror from mirror housing * be extremely careful not to crack the glass * some force may be needed, since you'll need to pop the adjusting rods from the motor / base
7.) Remove the motor / base by taking out the three screws holding it in place
8.) Sand housing to desired smoothness with proper sandpaper
9.) Throughly clean housing with both soap / water and some type of laquer thiner
10.) If bare metal exposed after sanding, spray a few light coats of sandable automotive primer
11.) Can sand primer after drying to get to desired smoothness once again
12.) Apply matching (or non-matching) paint with light coats; more frequent light coats of paint (every 20 - 30mins depending on tempreture & humidity) give better results with no runs in the paint, better coverage and a complete factory look
13.) Once housing is covered completely with paint, apply a few coats of a clear sealant afterwards while colored paint is still wet (after 30 - 45mins from last coat of paint)
14.) Set aside and let dry for at least 24 hours till handling
