2009 Lexus RX 350 Owners Manual - Page 393
2009 Lexus RX 350 Manual
Page 393 highlights
5-2. Steps to take in an emergency The tire pressure warning system may be disabled in the following conditions: (When the condition becomes normal, the system will work properly.) 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 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.) l If tire chains are used. l If the spare tire is in a location subject to poor radio wave signal reception. l If a large metallic object which can interfere with signal reception is put in the luggage compartment. 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 switch is turned to ON position, have it checked by your Lexus dealer. 398