First separate the 'button' from the mirror stalk. Now clean the area on window with acetone or lacquer thinner. When it's clean and dry place a drop or two of the adhesive on the button and press it onto the window. Hold it for about 2 minutes then it will be firmly stuck, now slide the mirror stalk over it and tighten it up.
I would use 'Loctite Auto Mirror Adhesive' .
Loctite 404 bonds most everything..
Most varieties of super glue will work. However, I've found the Loctite version to be best for windows. This is sold as 'Loctite Auto Mirror Adhesive'.
No, 404 isn't toxic after drying.
Remove the 'button' from the mirror stalk and glue it to the window with 'Loctite Auto Mirror Adhesive'. It will stick almost instantly and you can attach the mirror to it in about 5 minutes.
You remove the 'button' which may be held in with a small Allen screw or a flat spring inside. -Get 'Loctite Auto Mirror adhesive' and re-stick the button to window.
Yes, you can (but there are many cheaper ways of doing it , such as regular tile glue)
Loctite PL Premium is a contractors adhesive that is 3 times as strong as mastic and ideal for this kind of application
-There is a special product for this, made by 'Loctite' and called 'auto mirror adhesive' -available in auto parts stores
any auto parts store will sell you thatANS 2 -Loctite Auto Mirror Adhesive -
you could try loctite, clear liquid nails, or 3m multipurpose spray adhesive. Most hardware stores should have something that will work for you.
Loctite part number 3600017