This is one of the most expensive hand washes in town and by far the worst. Very sloppy, they miss a lot of spots, streaks inside the windshield which you do not notice until night time, always. And they give you attitude when you point them out.
I am not writing this as someone who has been there only once, I have been countless times over about 25 years, through several different owners probably too. I still go there sometimes because it's near my house but when I have the time I head to http://www.yelp.ca/biz/lave-auto-st-jacques-montreal