System Outline
WARNING: This page is about a different car, the 2008 Lexus LX 570. However, it is still accessible from the selected car via links, so may be relevant.
The air pressure sensor installed in the tire wheel detects the tire air pressure and transmits signals to the vehicle side receiver. When the detected tire air pressure is below a specified level, the warning light in the combination meter comes on to inform the driver.
Warnings when the tire pressure is low
* When the tire air pressure is below the specified level, the warning light in the combination meter comes on.