2011 Lexus GS 450h Owners Manual - Page 534

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5-2. Steps to take in an emergency

GS_HV_U (OM30C14U)

June 29, 2011 5:09 pm

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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.)

●

If tires not equipped with tire pressure warning valves and transmitters are used.

●

If the ID code on the tire pressure warning valves and transmitters is not regis-

tered in the tire pressure warning computer.

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If the tire pressure warning select switch is set to a different tire setting.

●

If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm

2

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.)

●

If electronic devices or facilities using similar radio wave frequencies are nearby.

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If a radio set at similar frequencies is in use in the vehicle.

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If a window tint that affects the radio wave signals is installed.

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If there is a lot of snow or ice on the vehicle, in particular around the wheels or

wheel housings.

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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.)

●

If tire chains are used.

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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 ON mode, have it checked by your Lexus

dealer.