Today on our 2016 GMC Arcadia, we're test fitting the Thule Canyon Roof Cargo Basket. The cargo basket has the dimensions of 49 by 40 by 6 and it has a capacity to hold up to 150 pounds. Part number for that is TH859. Now, as you can see, we do have three of our plates already down, those are already secure. We're going to go ahead and show you how to secure this back part because it's just the… see more >