I accidently hit something that was close to the side of the road and it knocked my passenger side mirror right off.
I have it...without the glass and a broken mirror cap...

My question is how to put the mirror assembly back onto the base..it seems easy, but for some reason it just will not clip in

 

There are several write-ups about that very subject under mirrors Click here

 

That is one VERY cool link!
Thanks.