I found that I was scratching the edge of the door sill getting in and out. I really like the look of the black plastic GM sill plates, but they don't wrap around the edge, so would not help. I ended up buying some from ebay that are actually quite nice and mighty cheap. Here's a link - 09 10 11 12 Chevy Cruze Chrome Stainless Door Sill Scuff Plate Trim Chevrolet
It took about a month for them to come from Korea.
THe pics in the ad are accurate, but if you want some pics of them on my car let me know.