not necessary.* F6 N; _$ F+ n5 D
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. : |* R! N+ J* o. q4 t/ a& P* D: {, t0 J& f
you need valid visa and utility bill that indicate you are living in USA.9 r; T* }: w S; d* q