go get you some plastic razors and slide them underneath the stickers

Wd40 will work. A part of my job is to take the adhesive stickers off of gold carts. It works pretty well. And I'd drive it around even if u don't support him to show that it doesn't bother u. The worst thing to do is show her it bothers you because she will get the satisfaction she wanted

Use a hairdryer on them. It will help the glue get warm enough where they will come off easier without damaging your car.

I used to work in a sign shop, try using a hairdryer to warm up the stickers before peeling them off.

prove it and sue for damages.

Try using a hair dryer or heat gun to heat up the glue. Should make it more pliable

Sucks that your Feeling the Bern from your ex.

She definitely played her trump card

.... You're ex is all different kinds of evil. Your car will soon be defaced even more. It's memory will live on. I'm sure it was a great car.

use a blow dryer. it'll melt the glue. then take it off.