waxing a new vehical?

Hi i Bought a brand new jetta last year, i want to preserve the new paint, i was told by volkswagon autobody dealer not to wax it @ all just wash as often as u can and another company told me to wax and polish once a year? my manuel says to wax it twice a year, im confused, anyone has advice or through experince with there volkwagen vehical?
                                                                                                                               thanks jetta06

I was the crap out of mine but I use a special wax.  It's a detailers wax, showroom gloss and works fricken awesome!