not necessary. 0 k& F$ n& e7 M8 D7 I- O- E6 L. |0 _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. : j+ e4 i5 @1 z0 f
" r4 s' E( b: ~you need valid visa and utility bill that indicate you are living in USA.+ K/ X( \) ^' @; d; T