2004 Lexus IS 300 Owners Manual - Page 370

03 07.09 CHASSIS If the gauge and the air pump are not available, have your vehicle checked by your Lexus dealer. CAUTION Keep your tires properly inflated. Otherwise, the following conditions may occur and cause an accident resulting in death or serious injuries. Low tire pressure (underinflation): D Excessive wear D Uneven wear D Poor handling D Possibility of blowouts from overheated tire. D Poor sealing of the tire bead D Wheel deformation and/or tire separation D A greater possibility of tire damage from road hazards High tire pressure (overinflation): D Poor handling D Excessive wear D Uneven wear D A greater possibility of tire damage from road hazards CAUTION Be sure to reinstall the tire valve caps. Without the valve caps, dirt or moisture could get into the valve core and cause air leakage. If the caps have been lost, have new ones put on as soon as possible. Incorrect tire inflation pressure may waste fuel, reduce the comfort of driving, reduce tire life and make your vehicle less safe to drive. If a tire needs frequent refilling, have it checked by your Lexus dealer. 351