- Clean up the car top every time to avoid scratching.
- Make the zipper face the back, or rain can get in and wind may open up the zipper.
- Twist the strips so they won't make noise on highway.
- The bag and the taller stuff should go as back as possible - away from the car front, to reduce wind noise and save gas.
- Don't leave the bag on the car while staying in a motel for the night.
- Watch above video, or you will miss a very important tip.