As I say below, it's easier than any other removable roof rack I've had. Here's a quick run-through of how to attach the rack, in case you don't want to sit through a 10 minute video in which the first minute is spent making the same penis joke multiple times. (I gave up at that point myself.)
Slip the weatherstrip retractor under the weatherstrip and retract it:
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Slide the hook under the retractor:
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Jiggle the hook a bit to make sure it's centered in the receiving slot. It's easy to feel the ends of the slot:
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Put the foot base over it. Notice the little image of the car on the base, indicating which base goes in which location.
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After doing the same on the other side, drop the crossbar over the hook threads
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Finger-tighten wingnut. Leave that little vertical mark pointing toward you, as you see here. That really only matters after the next step, but it's easier to see in this photo.
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Tighten with the hex wrench to ~3 N-m of torque. That's about 25 inch-pounds if, like me, you're still living in a backwards country. The wrench is about 4" long, so that's ~6 pounds of force on the end of the wrench. I found one half turn seems to work great. Leave it with the mark facing out.
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Lock the lock, snap on the cover, and you're done.
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For me, it takes about a minute and a half per crossbar.
To remove, reverse the procedure. Just be careful not to drop the crossbar on the glass! The hardest part, for me, was getting the plastic snap-on cover off. My solution is to pry it off with the key via the slot on the top of the crossbar. Takes almost no force, so I'm not worried about bending the key.
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I'm still gonna be nervous about placing those 2x4s on the rack, and taking them off. And making sure my tie-downs don't slip and crash into the glass. But this is an SUV, dammit! I'm gonna utilize it.