Lexus IS 350C 2012 Manual page 378

3-7. Other interior features
Vehicles with a manual transmission
Driver' s
seat
The seat heaters and ventilators can be used when
■
The "ENGINE START STOP" switch is in IGNITION ON mode.
When not in use
■
Set the dial to "0". The indicator light turns off.
378
Heats the seats
The indicator light (amber)
Front
comes on.
passenger' s
The higher the number, the
seat
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.