Here's a 20/20 hindsight tip to everyone who lives in cold climates. My colleague had issues getting his door handles to work today, we had a few negative degrees Celsius and it rained a lot last night. He had to knock on the handles for a bit before they loosened. Me on the other hand, I've wrapped the entire car in a lovely sky blue vinyl, and have the same on my door handles. I spent 7 minutes (after pre-heating my car) before I managed to finally open the rear-right passenger door. The door handle would not go back on its own. From there I managed to open the driver's door from the inside, and got into my car that way. A 25 minute drive later and I still couldn't open any other door handles than the rear, right side. So think about that before you wrap your handles. You get a very tiny gap, so you might not even get a credit card in between there.