not necessary.& @0 m8 |& [7 C% p
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. " N7 O! @6 y9 ?6 Y$ E. M% W# M* W
6 x4 t, v! p: X6 {you need valid visa and utility bill that indicate you are living in USA. ( e2 d! l! g7 U" f: }' J( Z