not necessary.1 o$ S V9 V4 K( _; [% w9 D
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. 0 a C9 H1 |, ]* M* k4 V6 r' {9 C% T( L" [8 d/ p
you need valid visa and utility bill that indicate you are living in USA. ( x6 S: a% v3 Q, @+ Z, N2 g; i