[Lurker]

That would constitute probable cause. If they have that, there's no need to ask for your permission.

If the cops ask for permission, it means they have no PC and are just fishing. Do what I do. Tell them politely to get a warrant.

L

[Pro-Bush]

Tell them politely to get a warrant.

That is a good way to piss them off. I have done what you said and they searched my vehicle anyway - in CA "driving is a privilege - not a right".