The indicator light comes on.

The seat heaters can be used when
Vehicles without a smart key system
The engine switch is in the “on” position.
Vehicles with a smart key system
The engine switch is in ignition on mode.
When not in use
Turn the seat heater off by returning the switch to its level position. The indicator light turns off.
Caution
Burns
Use caution when seating the following persons in a seat with the seat heater on to avoid the possibility of burns:
Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the seat and may lead to overheating.
Do not use the seat heater more than necessary. Doing so may cause minor burns or overheating.
Notice
To prevent seat heater damage
Do not put unevenly weighted objects on the seat and do not stick sharp objects (needles, nails, etc.) Into the seat.
To prevent battery discharge
Turn the seat heaters off when the engine is not running.
Power outlets
ArmrestSensor (motor) failure
Description
When the sliding roof drive gear (sliding roof ecu) detects the motor's
malfunction, and the sliding roof
operation is stopped, dtc b2341 is output. When the sliding roof drive gear
(sliding roof ecu) detects the
gear's malfunction, and the sliding roof operation is stopped, d ...
Rear no. 1 Seat assembly (for lh side)
Components
...
Evaporator temperature sensor circuit
Description
The no. 1 Cooler thermistor (evaporator temperature sensor) is installed on
the evaporator in the air
conditioning unit to detect the temperature of the cooled air that has passed
through the evaporator and to
control the air conditioner. It sends signals to the air conditioni ...