not necessary. ) S( O2 z6 ~, \0 _" N5 P! plegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. ( }: s; @1 R& G( U: I- A0 f2 `4 r$ ]. d8 _: _- Y
you need valid visa and utility bill that indicate you are living in USA. ( U- i% t- b$ Q' {6 v