5
When trouble arises
615
5-2. Steps to take in an emergency
CT200h_OM_OM76066U_(U)
■ If the tire pressure warning system is not functioning
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 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
● If a radio set at a similar frequency is in use in the vehicle
● If a window tint that affects the radio wave signals is installed
● If there is a lot of snow or ice on the vehicle, particularly 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 tire chains are used
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