not necessary.8 ~) O6 J ?* l" W0 F) v5 N
legally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. ; o4 A2 k) _+ m3 @8 u5 v* x: q6 s) m3 h3 \& P/ N
you need valid visa and utility bill that indicate you are living in USA.- C X* g B/ `: s6 |9 ^