not necessary.( K% C8 k- B, s6 Z, J/ 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. . n# V& v) i: ^1 P& |0 d
4 p) ^# I2 j" R4 [you need valid visa and utility bill that indicate you are living in USA.' G! f3 I$ S3 a% c- y