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 towedCheck For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected using the ECU Data List function of
the Techstream.
(a) ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit.
...