5
When trouble arises
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5-2. Steps to take in an emergency
■ 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.
● If a different set of tires has been selected using the satellite switch.
● If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm
2
or bar) or higher.
● If electronic devices or facilities using similar radio wave frequencies are nearby.
● If a radio set at similar frequencies is in use in the vehicle.
● If there is a lot of snow or ice on the vehicle, in particular, around the wheels or
wheel housings.
● 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 the tire pressure warning light frequently comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute
when the “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by your Lexus dealer.
■ Customization that can be configured at Lexus dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 538 )
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