Lexus GX460 Manual page 698

5-2. Steps to take in an emergency
The tire pressure warning system may become inoperative in the following condi-
tions:
(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 similar frequencies 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, in particular around the wheels or
●
wheel housings.
If non-genuine Lexus wheels are used. (Even if you use genuine Lexus wheels,
●
the tire pressure warning system may not work properly with some types of
tires.)
If tire chains are used.
●
If the spare tire is in a location subject to poor radio wave signal reception.
●
If a large metallic object which can interfere with signal reception is put in the
●
luggage compartment.
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 the "ON" position, have it checked by your
Lexus dealer.
After changing the engine oil (U.S.A. only)
■
Make sure to reset the oil maintenance data. (P. 617)
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GX460_U.S.A. (OM60G24U)