not necessary. 0 T4 x4 d$ `# I3 Olegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. : U! W5 S- b0 ^ K) G2 Q n: v2 n& [" G$ X1 _$ A' k% m
you need valid visa and utility bill that indicate you are living in USA. - t6 o3 j4 [* T2 t