See also:

Vehicle exterior
CAUTION  - If the engine is running Turn off the engine and ensure that there is adequate ventilation before performing maintenance checks. ...

Setting speed dials
Select “Set Speed Dial (Speed Dial)” using a voice command or the “TUNE/SEL” knob. Pattern A Select the data to be registered as a speed dial by either of the following methods, and se ...

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. ...