2011 Lexus RX 450h Owners Manual - Page 601

4-3. Do-it-yourself maintenance CAUTION n Proper inflation is critical to save tire performance Keep your tires properly inflated. Otherwise, the following conditions may occur and result in an accident causing death or serious injury: l Excessive wear l Uneven wear l Poor handling l Possibility of blowouts resulting from overheated tires l Poor sealing of the tire bead l Wheel deformation and/or tire separation l A greater possibility of tire damage from road hazards NOTICE n When inspecting and adjusting tire inflation pressure Be sure to put the tire valve caps back on. Without the valve caps, dirt or moisture could get into the valve and cause air leakage, which could result in an accident. If the caps are lost, replace them as soon as possible. 520