2012 Lexus GX 460 Owners Manual - Page 692

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5-2. Steps to take in an emergency

GX460_U.S.A. (OM60J00U)

CAUTION

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Maintenance of the tires

Your vehicle has also been equipped with a TPMS (tire pressure warning system)

malfunction indicator to indicate when the system is not operating properly. The

TPMS (tire pressure warning system) malfunction indicator is combined with the

low tire pressure telltale (tire pressure warning light). When the system detects a

malfunction, the telltale will flash for approximately one minute and then remain

continuously illuminated. This sequence will continue upon subsequent vehicle

start-ups as long as the malfunction exists. When the malfunction indicator is illumi-

nated, the system may not be able to detect or signal low tire pressure as intended.

TPMS (tire pressure warning system) malfunctions may occur for a variety of rea-

sons, including the installation of replacement or alternate tires or wheels on the

vehicle that prevent the TPMS (tire pressure warning system) from functioning

properly. Always check the TPMS (tire pressure warning system) malfunction tell-

tale after replacing one or more tires or wheels on your vehicle to ensure that the

replacement or alternate tires and wheels allow the TPMS (tire pressure warning

system) to continue to function properly.

NOTICE

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Precaution when installing a different tire

When a tire of a different specification or maker is installed, the tire pressure warn-

ing system may not operate properly.