not necessary. 1 j. i. K" [# wlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. ) C' k" `! w! a# x3 l0 f . p! M) k% A# cyou need valid visa and utility bill that indicate you are living in USA. 2 o t; d$ A5 `3 S3 k