I didn't know cars didn't get painted anymore either. So do you have to take the wrap off every time you wash it?
Nope you wash it with the wrap on just like you would normally wash a car. Most folks who get supercars nowadays tend to wrap them to protect the paint even if it's just a clear wrap. The wrap is bonded to the car. It's actually amazing to watch the guys work if you have someone who is meticulous....my guys take a week to wrap my car.
Here's a video of the process