not necessary.+ W' `( L: |- T d1 O2 F! o$ Y
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. * c8 S! u! r0 H% M& b( [' v1 M6 K0 S. S4 L5 P
you need valid visa and utility bill that indicate you are living in USA. 9 v$ S0 `2 ?) m