看SAAQ 网站，是如下：
after settling in Quebec 应该是这次定居后，而不是初次landing对否? http://www.saaq.gouv.qc.ca/en/driver_licence/exchange/index.php?from=singlemessage&isappinstalled=1
If you are a new resident and hold a valid licence issued in another jurisdiction, you must apply for a Québec licence as soon as possible. However, for six months after settling in Québec, you may drive a passenger vehicle with your foreign licence. After that period, you may no longer drive with that licence. Otherwise, you face a fine