2006 Lexus LS 430 Owners Manual - Page 298

4-3. Do-it-yourself maintenance CAUTION n When inspecting and adjusting tire pressure Be sure to reinstall the tire valve caps. 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 have been lost, have new ones put on as soon as possible. n Check tire pressure regularly The tire pressure warning system will warn you when one or more of your tires are significantly under-inflated. However, there are combinations which the system will not detect (both tires on the same side or same axle). Thus it is important to check the tire pressure of all tires regularly. n Proper inflation is critical to safe tire performance Keep your tires properly inflated. Otherwise, the following conditions may occur and result in an accident causing in death or serious injury Excessive wear Uneven wear Poor handling Possibility of blowouts from an overheated tire Poor sealing of the tire bead Wheel deformation and/or tire separation A greater possibility of tire damage from road hazards 286