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266 6-3. Do-it-yourself maintenance information will not be updated. If this accidentally occurs, either turn the engine switch to off and then to IGNITION ON mode, or initialize the system after checking that the tire pressure is properly adjusted. Your vehicle is equipped with a tire The tire pressure detected by the The illustration used is intended as an If the tire pressure drops below a ■ Routine tire inflation pressure checks The tire pressure warning system does not replace routine tire inflation pressure checks. Make sure to check tire inflation pressure as part of your routine of daily vehicle checks. ■ Tire inflation pressure ● It may take a few minutes to display the tire inflation pressure after the engine switch is turned to IGNITION ON mode. It may also take a few minutes to display the tire inflation pressure after inflation pressure has been adjusted. ● Tire inflation pressure changes with tem- perature. The displayed values may also be different from the values measured using a tire pressure gauge. ■ Situations in which the tire pressure warning system may not operate prop- erly ● In the following cases, the tire pressure warning system may not operate prop- erly. • If non-genuine Lexus wheels are used. • A tire has been replaced with a tire that is not an OE (Original Equipment) tire. • A tire has been replaced with a tire that is not of the specified size. • Tire chains, etc. are equipped. • An auxiliary-supported run-flat tire is equipped. • If a window tint that affects the radio wave signals is installed. • If there is a lot of snow or ice on the vehi- cle, particularly around the wheels or wheel housings. • If the tire inflation pressure is extremely higher than the specified level. • If tires not equipped with tire pressure Tire pressure warning system |