2006 Lexus GX 470 Owners Manual - Page 550

CHASSIS Inspection and adjustment procedure 5. After completing the tire inflation pressure measurement and adjustment, apply soapy water to the valve and check for leakage. 6. Install the tire valve cap. If a gauge and air pump are not available, have your vehicle checked by your Lexus dealer. 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. " 1 2 Tire valve Tire pressure gauge 1. Remove the tire valve cap. 2. Press the tip of the tire pressure gauge to the tire valve. 3. Read the pressure using the graduations of the gauge. 4. In case the tire inflation pressure is not within the prescribed range, insert the compressed air from the valve. In case of applying too much air, press the center of the valve and release the air to adjust. NOTICE Use only the original valve cap. If any other valve cap is used, it may corrode or melt and become difficult or impossible to remove. 525