2012 Lexus IS220d heater

263
3-1. Using the air conditioning system and defogger
3
Interior features
IS250/220d/200d_EE
Power heater
Power heater can be operated when
The engine is running.
Normal characteristics of power heater operation
The following cases do not indicate a malfunction.
When the power heater is turned on or off, some white smoke and a
slight odor may be emitted from the power heater exhaust that is located
under the floor.
When the power heater is being used under extremely cold conditions,
vapor may be visible from its exhaust.
When the power heater is turned off, you may hear a sound in the engine
compartment for about 2 minutes until the power heater turns off com-
pletely.
After the heater is off
We recommend not restarting the heater for 10 minutes after you turn it off.
Otherwise, a noise may be heard as the heater ignites.
When refueling your vehicle
The heater must be off.
This feature is used to keep the cab warm in cold conditions.
On/off
The power heater turns on
about 30 seconds after the
button is pressed, and takes
about another 55 seconds to
warm up completely.
: If equipped

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3-1. Using the air conditioning system and defogger
IS250/220d/200d_EE
CAUTION
To prevent burns or damage on your vehicle
NOTICE
To prevent damage to your vehicle
Do not turn the heater on and off repeatedly in 5 minute intervals as this
can shorten the life of the heater components. If the engine must be turned
on and off repeatedly within short intervals (such as when the vehicle is
being used for delivery purposes), turn the heater off.
Do not modify or open the heater without consulting any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional. This may cause a heater malfunction or even a fire.
Be careful not to splash water or spill liquid directly on the heater or on
the heater fuel pump. This may cause the heater to malfunction.
Keep the intake and exhaust pipes of the heater free from water, snow, ice,
mud, etc. If the pipes become clogged, this can cause the heater to mal-
function.
If you notice anything unusual, such as a fluid leak, smoke or poor opera-
tion, turn off the heater and have your vehicle checked by any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional.
Do not touch the heater or its exhaust
pipe as they are hot. You may burn
yourself.
Keep flammable items such as fuel
away from the heater and its exhaust
pipe, as this may cause a fire.

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3-7. Other interior features
3
Interior features
IS250/220d/200d_EE
Seat heaters
Vehicles with an automatic transmission
Heats the seats
The indicator light comes on.
The higher the number, the
warmer the seats become.
Left front seatRight front

: If equipped

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3-7. Other interior features
IS250/220d/200d_EE
The seat heaters 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.
Vehicles with a manual transmission
Heats the seats
The indicator light comes on.
The higher the number, the
warmer the seats become.
Left frontRight front

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3-7. Other interior features
3
Interior features
IS250/220d/200d_EE
CAUTION
Burns
Use caution when seating the following persons in a seat with the seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
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.
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 switches off when the engine is off.

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3-7. Other interior features
IS250/220d/200d_EE
Seat heaters and ventilators
The seat heaters and ventilators heat the seats and maintain good air-
flow by blowing air from the seats.
Vehicles with an automatic transmission
Heats the seats
The indicator light (amber)
comes on.
The higher the number, the
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.
Left front seatRight front

: If equipped

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3-7. Other interior features
3
Interior features
IS250/220d/200d_EE
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.
Vehicles with a manual transmission
Heats the seats
The indicator light (amber)
comes on.
The higher the number, the
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.
Left frontRight front

376
3-7. Other interior features
IS250/220d/200d_EE
CAUTION
Burns
Use caution when seating the following persons in a seat with the seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
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.
NOTICE
To prevent seat heaters and ventilators 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 switches off when the engine is off.