not necessary.: P$ y* D% `. d1 E
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. 5 |- g4 X7 W2 R 3 G) U+ `8 w& d) i. \/ Fyou need valid visa and utility bill that indicate you are living in USA. $ j2 z" E% f$ Q* O6 `; D