Just ordered a set of all weather (rubber) mats from the dealer for my 2011 Terrain. They are the correct shape however the mat on the drivers side slides around because it does not securely engage the floor posts. The holes in the mat are just a little too large and the posts slip out. I had the dealer check and he indicated there is only 1 part # available and I got the correct one. He suggested that the mat holes were too large because of a manufacturing defect however I just noticed an older thread in this forum where the person had the same problem so I'm thinking there must have been two different styles of floor post and they haven't changed the mats yet. It's a minor issue however I still may end up returning them. Has anyone else ordered these mats and do they fit the floor posts? Thanks.