I'm spending the week in Montreal and Quebec City and have noticed that for the most part, drivers are pretty courteous; however, on the highway, some like to pass you like there in some kind of hurry, only later to be in your way "putzing" along at a crawl. And some drivers do not like to be passed. I passed several slower cars, only to have them speed pass me almost right away. It's about 50:50 as far as using blinkers for turns or lane changes. I always signal when travelling in a different place than home. I noticed in downtown that there are a lot of "boy" racers that like to accelerate quickly or loudly at a stop only to have to slow down immediately for the next light. Mostly they were riced out cars, but I did see a guy do it in an F430. All in all, it's been a pleasant trip.

P.S. There are a lot of Audis

Hey, there is life north of the border, right ;)

But honestly speaking first time I arrived in North America (this was San Fran) back in 96 I was shocked how everything was ... slow, and odd drivers doing odd things, etc etc. Hey, some few years later it does not bother me anymore :)

on red because too many pedestrians were being killed. Signals are definitely optional, reminds me of my last trip to SoCal :-)

They're just more like Europeans in most aspects including driving and motorsports. If they manage to save the Montreal F1 (and I think they will), do yourself a favour and take one in.