not necessary.7 F, |3 V0 \# }& 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. , h/ N; V# X0 k) J7 G: b: z0 w$ r& c9 g2 A$ ~' f& Q
you need valid visa and utility bill that indicate you are living in USA. Q. ~4 C3 H' y7 L* @1 V( c9 ?