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GSの取扱説明書・マニュアル [全51ページ 1.52MB]

5When trouble arises4935-2. Steps to take in an emergencyGS_G_UMarch 29, 2010 3:11 pmnWhen the tire pressure warning light comes onCheck the tire inflation pressure and adjust to the appropriate level. Pushing the tire pressure warning reset switch does not turn off the tire pressure warning light.nIf the tire pressure warning system is inoperativeThe tire pressure warning system will be disabled in the following conditions:(When the condition becomes normal, the system will work properly.)lIf tires not equipped with tire pressure warning valves and transmitters are used.lIf the ID code on the tire pressure warning valves and transmitters is not regis-tered in the tire pressure warning computer.lIf the tire pressure warning select switch is set to a different tire setting.lIf the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher.The tire pressure warning system may be disabled in the following conditions:(When the condition becomes normal, the system will work properly.)lIf electronic devices or facilities using similar radio wave frequencies are nearby.lIf a radio set at similar frequencies is in use in the vehicle.lIf a window tint that affects the radio wave signals is installed.lIf there is a lot of snow or ice on the vehicle, in particular around the wheels or wheel housings.lIf 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.)lIf tire chains are used.nThe tire pressure warning light may turn on due to natural causesThe tire pressure warning light may turn on due to natural causes such as natural air leaks or tire inflation pressure changes caused by temperature. In this case, adjust-ing the tire inflation pressure will turn off the warning light (after a few minutes).nWhen a tire is replaced with a spare tireThe compact spare tire is not equipped with the tire pressure warning valve and transmitter. If a tire goes flat, the tire pressure warning light will not turn off even though the flat tire is replaced with the spare tire. Replace the spare tire with the repaired tire and adjust the proper tire inflation pressure. The tire pressure warning light will turn off after a few minutes.

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