2012 Toyota Tacoma Owners Manual - Page 716

3-7. Other interior features Insert the locking plate into the deck rail, rotate the tie-down cleat 90° , and release the thumb wheel. Slide the cleat to the closest detent in the rail system. You will feel that the locking plate snaps into a detent. 3 Interior and exterior features Tighten the thumb wheel in a clockwise motion until the clutch mechanism ratchets. Check the tie-down cleat to confirm that it is locked into a detent and securely mounted to the deck rail system. 395