It's simple: Blast the sticker with the hair dryer for a few seconds and you'll suddenly be able to pull up the edge. (If it's a larger sticker, it may take a minute or two.) What's more, the adhesive ...

If the sticker is close to the edges of the windshield, be careful during removal to avoid slicing off the rubber gasket. If your scraper no longer works on the remaining adhesive, you can soften ...