Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc.

Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once again.
- Emergency flashers
If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.
See also:
Theft deterrent system
Immobilizer system
The vehicle's keys have built-in transponder chips that prevent the hybrid
system from starting if the key has not been previously registered in the
vehicle's on-board computer.
...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s onboard
computer.
Never leave the keys in ...
Replacing the Key
Your Lexus dealer can generate replacement keys. Certain bonded/ registered locksmiths
may also be able to generate replacement keys.
When ordering a new key, bring all keys for the vehicle to your ...
