not necessary. s1 K0 R. d. x' B' o
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. $ I$ ]2 U3 W8 E6 T& g' Q$ ?$ x) J. i5 m% B( \, F, J6 D
you need valid visa and utility bill that indicate you are living in USA.$ V% H- h: c6 k: a( m7 e