not necessary.! C( o& k: L5 H& m& A
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. " a# c1 [- t$ R/ R8 f% h! Q5 T9 k 9 d+ h0 l8 ? p$ ?( |4 A% g2 ~you need valid visa and utility bill that indicate you are living in USA. " S3 j3 r4 g+ l3 ~