Please don't spray the starting fluid on the heat gun. It'll remove the adhesive but it uses the flame thrower method. I'd try goo gone. It works great and you don't need heat.
You rapscallion you. Now I'm red in the face. But you have to admit I've got a keen sense for the obvious.Well done I wonder if someone would pick up on that ,If you want to turn your car into charcoal .