As for radar detectors being illegal, I seem to remember that they are illegal to operate or have in plain view in Connecticut (on the passenger seat is a problem), but in the glove box is fine - I also believe that a number of states in New England have outlawed them - I seem to remember researching this for a trip from Florida to visit family in Connecticut, and I was going to leave the V1 at home for it.
Also, for removing the radar detector, it's a very good idea if/when you get pulled over; however, realize that the office can most likely watch you reaching and removing it - if you have it up high and out of the way, and you aren't using the cigarette lighter, you might consider leaving it, and turning off the car (so it won't beep while you're talking with him). Chances are he won't squat down to look in, and he won't see it, whereas he will see your hand go up, fiddle around, and come back down out of sight. =)
JMO, Y(Citation)MV...