2007 Lexus GS 450h User Guide - Page 456
2007 Lexus GS 450h Manual
Page 456 highlights
5-2. Steps to take in an emergency n If the tire pressure warning system is inoperative The tire pressure warning system may become inoperative in the following conditions: (When the condition becomes normal, the system will work properly.) l If tires not equipped with tire pressure warning valves and transmitters are used. l If the ID code on the tire pressure warning valves and transmitters is not regis- tered. l If electronic devices or facilities using similar radio wave frequencies are nearby. l If a radio set at similar frequencies is in use in the vehicle. l If a window tint that affects the radio wave signals is installed. l If the tire pressure warning select switch is set to a different tire setting. l If there is a lot of snow or ice on the vehicle, in particular around the wheels or wheel housings. l If non-genuine Lexus wheels are used. l If tire chains are used. l If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher. n If the tire pressure warning light comes on after blinking for 1 minute frequently If the tire pressure warning light comes on after blinking for 1 minute frequently when the power switch is turned to "IG-ON" mode, have it checked by your Lexus dealer. 5 When trouble arises NOTICE n Precaution when installing a different tire When a tire of a different specification or maker is installed, the tire pressure warning system may not operate properly. 441