See also:

When “NO USB” is displayed (type D audio)
This message is displayed under the following conditions. - No USB storage devices/iPod® are connected. - A non-connectable USB storage device/ iPod® is connected. Connect a connectable USB s ...

Warning and indicator lights
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Tire pressure monitoring system (TPMS) (U.S.-spec. models)
Type A Type B The tire pressure monitoring system provides the driver with the warning message indicated by sending a signal from a sensor that is installed in each wheel when tire p ...