2010 Toyota 4Runner Owners Manual - Page 606

5-2. Steps to take in an emergency Installing the spare tire STEP 1 Remove any dirt or foreign matter from the wheel contact surface. If foreign matter is on the wheel contact surface, the wheel nuts may loosen while the vehicle is in motion, causing the tire to come off. CTH52AS017 STEP 2 Install the spare tire and loosely tighten each wheel nut by hand by approximately the same amount. When replacing an aluminum wheel with a steel wheel, tighten the wheel nuts until the tapered portion comes into loose contact with the disc wheel seat. Tapered portion Disc wheel seat CTH52AS034 5 Washer Disc wheel CTH52AS037 When replacing an aluminum wheel with an aluminum wheel, tighten the wheel nuts until the washers comes into contact with the disc wheel. When trouble arises 585