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 towedCommunication Malfunction No. 1 (B2797)
DESCRIPTION
This DTC is stored when an error occurs in communication between the transponder
key amplifier and the transponder key ECU assembly.
HINT:
Some noise is found in the communication line.
DTC No.
DTC Detection Condition
...
Replacement
REPLACEMENT
PROCEDURE
1. REPLACE RING PIN
NOTICE:
It is not necessary to remove the ring pin unless it is being replaced.
(a) Remove the 12 ring pins.
(b) Using a plastic-faced hammer, install 12 new ring pins.
Standard Protrusion Height:
...
System Description
SYSTEM DESCRIPTION
1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all doors.
The door control switch sends "lock/unlock" request signals to the main body
ECU (driver side junction block assembly). Then ...