How do you block the tamper on a Toyota Yaris GR so that the window doesn’t automatically go up when you close the door?

Answer 1: One method is to use a harbor freight. In order to stop the film from peeling when the window goes back up, you may also want to heat seal the edges. 

Answer 2: A simple clamp should do the trick. Maybe use a towel as well.

Answer 3: You can simply unscrew the tamper. 

Answer 4: Lay a piece of cardboard over the tamper and tape it down.