not necessary. $ S1 h4 ?* | m1 f# P: jlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. . [8 w' l& y3 v) ^8 Y) y u# f 3 k! @( ^! \9 b# F, syou need valid visa and utility bill that indicate you are living in USA. . A. @: P H$ T) x$ Q9 `