1. Install the 12-inch L-track in your desired location using the 1/4 inch hardware provided.
2. Snap the wheel chock into place on the L-track.
3.Secure the wheel chock: The chock might have some side-to-side movement. If you prefer it to be completely solid, replace the short center bolt with the longer 5/16 bolt. Tighten this bolt after the wheel chock has been clicked into the L-track. Note that this will require using a wrench to loosen the bolt if you need to remove the chock later.