Take off the door panel and look for the round plug. 2nd image in the link:
Puddle Light Mirrors on Base Highlander?
Should take 10-15 minutes if you are handy.
Door panel removal.
1 Remove cover behind the door release lever, remove screw.
2 Remove door pull handle trim piece,
3 Remove screws top and bottom
4 Use a flat pry bar covered in blue or other tape to protect paint finish and pry the panel from the door skin.
5 pull door panel from skin up (easier to do with window down).
If more instructions are needed search.
Linear Mode
