Horn
To sound the horn, press on or close to the
mark.

See also:
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.
...
Initialization
Items to initialize
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on the vehicle.
...
Loaner Vehicle
If your vehicle must be kept overnight
at a Lexus dealership for a warrantycovered
condition that requires more
than eight hours to repair, Lexus will
provide you with a complimentary
loaner vehi ...
