2010 Lexus RX 450h User Guide 2 - Page 598

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. STEP 2 Install the spare tire and loosely tighten each wheel nut by hand by approximately the same amount. Vehicles with a compact spare tire Tighten the nuts until the tapered Tapered portion portion comes into loose contact with the disc wheel seat. Disc wheel seat Vehicles with a full-size spare tire Washer Turn the nuts until the washers come into contact with the wheel. Wheel nut Disc wheel 604