"how to replace hyundai santa fe rear view mirror"

You will need to purchase a mirror mounting kit at the auto parts store, Its like super glue that attaches the base to the windshield, Usually there's a small flat blade screw that needs to be turned out to release the metal mount then glue the mount onto the windshield and slide the mirror over it and tighten (make sure you glue the right side to the windshield) www.parts.com should have the mirror or the dealer