2009 Lexus IS F Owners Manual - Page 356
2009 Lexus IS F Manual
Page 356 highlights
5-2. Steps to take in an emergency n If the tire pressure warning system is inoperative The tire pressure warning system will be disabled 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 in the tire pressure warning computer. l If a different set of tires has been selected using the satellite switch. l If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher. 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 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. (Even if you use Lexus wheels, the tire pressure warning system may not work properly with some types of tires.) 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 "ENGINE START STOP" switch is turned to IGNITION ON mode, have it checked by your Lexus dealer. n Customization that can be configured at Lexus dealer The vehicle speed linked seat belt reminder buzzer can be disabled. (Customizable features →P. 428) 5 When trouble arises 361