not necessary.% D9 O: e5 R+ K4 u' R5 U
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. 3 m2 M& d! X1 Q* Z& E( g: R, q" ]9 s) w& B5 z5 }# O8 `, U+ u
you need valid visa and utility bill that indicate you are living in USA.0 @; g. x" n9 }- Q' B