... hairdryer, 3 clean cloths, a plastic spatula, industrial or rubbing alcohol, and car polish.2 To remove old stickers, use ... residue on the paintwork. Use a clean cloth and alcohol to remove the residue.4 If the glue is ... hairdryer.5 Try removing the glue again with the alcohol and cloth.6 Use another clean cloth to ... wipe off the alcohol.7 Now polish the surface. Apply wax to ...