not necessary.( l9 B2 C0 |6 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. " E& j+ P# @2 G" @# H4 l D) X* o7 ^- P u4 q; W; d* K$ ^7 P
you need valid visa and utility bill that indicate you are living in USA.( W! w! f4 s( d8 ^9 `