Okay, I finally took the heating element (defroster) off the back of one of my side mirrors, with the intent of transferring the heating element from both sides to the blue mirrors I have. It was quite hard, actually! I dread taking off the 2nd one now! lol! Well, the heating element has some adhesive on the back of it still from where it was stuck on the stock mirror. It is not enough adhesive, though, to do a solid attachment to the blue mirror. The glue is kinda patchy (part of the adhesive is still stuck to the stock mirror). So, what type of adhesive will I need to use to attach the heating elements onto the new blue mirrors? And, do I need to remove the remaining adhesive from the backs of both of the heating elements before RE-adhering them to the new blue mirrors? If so, what in the world would I use to remove the adhesive that would be safe on the backs of the heating elements?