We did it in reverse on the hood:
Me goofing off for the camera, we were hot - it was a bad day to be doing this.
Then the rain came and cooled us off - had to run the vinyl into the house so the paper backing wouldn't get soaked. Then I sat out in the rain to cool off.
Here is the finished Van - all 4 sides are done! Here is Driver's side below
The Passenger's side:
I did Tracy's SUV too! This is the back windows on both sides
And if you ever need a HVAC person, they are the ones to go to!