If you ever drop your keys into a river of molten lava, forget em', cause, man, they're gone. –Jack Handey
Question #5444 posted on 04/30/2004 12:01 a.m.

Dear Puzzled in PA,

My dad always told me that the wieght of your car triggered the drive-through intercom. There's a strip or sensor or something. If you walk through, the people inside have no way to know you're even out there unless you bang on the windows. I don't think they'd like that.