not necessary.1 K' G, ?5 Z) V/ {6 `& a K
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' t& s7 o) \$ O7 r, Z: } * Y( B0 r0 |: d7 R7 gyou need valid visa and utility bill that indicate you are living in USA. 7 U6 \" D. x) R