I've been fortunate in that I've never had to drive across a border (except when we took a family trip to Canada when I was about 6 years old) because it seems like it can be a big pain in the ass. They question you, can search your car and generally just slow you down on your way to your destination.
This guy seems to have discovered the ultimate secret for getting through border patrol security in seconds! Watch the video below for the simple tutorial. I wonder if this would work when going through customs at the airport...