See also:

Noise from under vehicle after turning off the engine
Approximately five hours after the engine is turned off, you may hear sound coming from under the vehicle for several minutes. This is the sound of a fuel evaporation leakage check and, it does no ...

Repeat play
 - Repeating a track Press the 2 (RPT) button. To cancel, press the 2 (RPT) button again.  - Repeating all of the tracks on a CD Press and hold the 2 (RPT) button until you hear a beep. ...

Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your Lexus dealer immediately. ...