Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the multi-informa- tion display. Failure 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.



See also:
Operation and Maintenance
GENERAL INFORMATION
You are responsible for ensuring that your Lexus is operated and maintained according
to the instructions in the Owner’s Manual and the “Maintenance Information” section
...
Vehicle exterior
CAUTION
- If the engine is running
Turn off the engine and ensure that there is adequate ventilation before performing
maintenance checks. ...
If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer, using the
other keys and the key number stamped on your key number plate.
If communication between the electronic key and vehicle is inter-
...
