Heat the tint with a hair dryer or heat gun
Lift a corner with a razor blade or plastic scraper
Peel the tint off slowly
Spray the adhesive with soapy water, ammonia, or vinegar
Let the solution soak for a few minutes
Scrape off remaining glue with a plastic scraper or razor blade
Wipe the glass clean with microfiber cloths
Use glass cleaner to remove residue
Wear gloves and work carefully to avoid cuts
Avoid damaging defroster lines on rear windows