not necessary.' t C2 ^9 L( g2 ?8 Z# 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( W! C+ \% v: V6 C1 M, r
4 \# C& c- _# T) B2 v* A
you need valid visa and utility bill that indicate you are living in USA. $ \( u: p& T7 S