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
ArmrestExhaust pipe
Components
Removal
Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove heated oxygen sensor (for bank 1
sensor 2) (s ...
Outer mirror switch
Inspection
Inspect outer mirror switch assembly
The l position of the left/right adjustment switch:
measure the resistance of the mirror switch.
Standard resistance (for left side)
If the result is not as specified, replace the switch
assembly.
The r position of the left/r ...
Brake master cylinder
Components
On-vehicle inspection
Check brake fluid level warning switch
Remove the reservoir filler cap and strainer.
Disconnect the brake fluid level warning switch
connector.
Measure the resistance of the switch.
Hint:
There is a float inside the reservoir. Its positio ...