they are just sticky taped on your vehicle and they should just pull off without any issue with you paint, but if worried about messing paint up ,,you can use acetone where they meet your vehicle and it should help you release the tape from vehicle…acetone is the same thing they use in finger nail polish remover…
i just took some off my truck and they where put on it 99. just pull them off they will break. the glue is what ***** to get off but it will come off with some elbow grease and bug and tar remover.