X2 .... former LEO - if I ever ask to search a vehicle, it's not just because I'm curious. I'm suspicious of something. If its drugs, I can have a Dog run around your vehicle without a warrant. If he hits, I don't' need a warrant. Bottom line, if you have nothing to hide, why would you even ask this question? Not all police are Nazi extremists wanting to trample all over your rights - just go along with it and be thankful they're on YOUR side.