Emergency flashers
Use the emergency flashers if the vehicle malfunctions or is involved in an accident.
Press the switch to flash all the turn signal lights. To turn them off, push the switch once again.

NOTICE
- To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the engine is not running.
See also:
Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular
maintenance is essential. It is the owner’s responsibility to perform
regular checks. Lexus recommends the following maintenance. ...
Bluetooth
You can confirm and change the Bluetooth settings.
1. Push the “SETUP” button.
2. Touch “Phone”.
3. Touch “Bluetooth*”.
*: Bluetooth is a registered trademark of Bluetooth SIG, Inc.
...
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.
...
