not necessary.1 Z5 i( _& P0 @9 c
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. * d( a( _' E$ H1 G
! y: Z5 P' H2 ~) byou need valid visa and utility bill that indicate you are living in USA. ) i- J2 {1 d8 _2 U3 @4 u2 V