not necessary. - `* ^ _* o- W* R; R& ~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. 8 l; A- t, u. u: v' c1 G / y% u* R2 q" y0 @: W- C, S9 M( uyou need valid visa and utility bill that indicate you are living in USA. % P3 A9 v4 D; Q! s7 R" |