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.
If your vehicle needs to be towedAdjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
CAUTION:
Before adjusting the door positions of vehicles equipped with side and curtain
shield airbags, be sure to disconnect the battery. After adjustment, check that
the SRS warning light is operating normally and ...
Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
NOTICE:
Move the shift lever to P and apply the parking brake before bleeding
the brakes.
Add brake fluid to keep the level between the MIN and MAX lines of the
reservoir while bleeding the brakes.
...
System Diagram
SYSTEM DIAGRAM
1. CAN AND DIRECT LINE SIGNALS
2. INPUT AND OUTPUT SIGNALS OF THE ACCESSORY METER ASSEMBLY
Warning light or indicator light
Communication Signal
Receiver
Communication Line
Sender
...