not necessary.: K+ x) i {. q4 V
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. ! [* V, }. [" T' d5 M) q8 U& y- G& b * Y8 h. H5 s+ Gyou need valid visa and utility bill that indicate you are living in USA.& H, j! s {5 \4 z9 d3 ?! ` |& H