There's been quite a few threads in here about people's varied experiences with the film and its removal. Check 'em out.
The least-work method is to have someone else do it, but that's $$$.
Next up is probably various themes on the wallpaper-steamer and plastic razor-blades idea. That works well, but is time-consuming.
The main idea is to get the film warm and soft, hence the heat. A blow-dryer might work well, but it could get hot enough to damage the paint.
Once the film is off, it usually leaves a layer of adhesive. Goo-Gone/etc sorta works, but something like Quick-N-Easy often gets the job done faster.
I'd stay away from some of the ideas with stronger chemicals (gasoline, acetone, paint-thinner, etc) to get off the remaining adhesive. I've tried a lot of them, and they can cause fading/dulling of the underlying paint
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I think there's a correlation between the age of the film and/or how long its been baking in the sun. Some people say theirs will come off easy, but mine (10 years old and lots of hot sun) is pretty tenacious.
I'm still waiting for the neighbor-kid to get curious and ask what I'm doing. It's not a white picket-fence, but maybe he's never read about Tom Sawyer either
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