Lexus is300 2021 - Seat Heater Timer Control; Seat Ventilator; Seat Ventilators

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5-2. Using the air conditioning system and defogger
light as follows:
Hi (3 segments lit)Mid (2 segments
lit)Lo (1 segment lit)Off
■ Operation condition
The engine switch is in IGNITION ON
mode.
■ Seat heater timer control
To enable seat heater timer control, press
and hold the driver and front passenger
seat heater switches at the same time until a
buzzer sounds once. If a seat heater is
turned on while seat heater timer control is
enabled, the intensity of the seat heater will
automatically change from HiMidLo.
The timing of the change in seat heater
intensity differs depending on the tempera-
ture inside the cabin, etc. when the seat
heater is operating.
To disable seat heater timer control, press
and hold the driver and front passenger
seat heater switches at the same time until a
buzzer sounds twice.
Each time the switch is pressed, the
intensity of the seat ventilator changes
and the level indicator lights (green)
light as follows:
Hi (3 segments lit)Mid (2 segments
lit)Lo (1 segment lit)Off
■ Operation condition
The engine switch is in IGNITION ON
mode.
■ Seat ventilator
The seat ventilators provide ventilation only,
and do not have a heating/cooling function.
WARNING
■ To prevent overheating and minor
burn injuries
Observe the following precautions when
using the seat heaters.
● Do not cover the seat with a blanket or
cushion when using the seat heater.
● Do not use seat heater more than nec-
essary.
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Seat ventilators
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