2010 Toyota Highlander Owners Manual - Page 540

5-2. Steps to take in an emergency Replacing a flat tire STEP 1 Chock the tires. Wheel chock positions Behind the rear righthand side tire Behind the rear lefthand side tire In front of the front right-hand side tire In front of the front left-hand side tire Flat tire Lefthand side Front Righthand side Lefthand side Rear Righthand side STEP 2 Slightly loosen the wheel nuts (one turn). 516