Lexus IS300H 2017 Manual page 477

Registering air conditioning settings to electronic keys (vehicles with driving position
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memory)
Unlocking the vehicle using an electronic key and turning the power switch to ON
●
mode will recall that key's registered air conditioning settings.
When the power switch is turned off, the current air conditioning settings will automati-
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cally be registered to the electronic key that was used to unlock the vehicle.
The system may not operate correctly if more than one electronic key is in the vicinity or
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if the smart entry & start system is used to unlock a passenger door.
The doors that can recall the air conditioning setting when unlocked using the smart
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entry & start system can be changed.
retailer or Lexus authorized repairer, or any reliable repairer.
*
: The doors that can recall the driving position memory are changed at the same time.
Using automatic mode
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Fan speed is adjusted automatically according to the temperature setting and the ambi-
ent conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow immediately
after is pressed or "AUTO" is selected.
Fogging up of the windows
■
The windows will easily fog up when the humidity in the vehicle is high. Turning
("A/C") on will dehumidify the air from the outlets and defog the windshield effectively.
If you turn ("A/C") off, the windows may fog up more easily.
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The windows may fog up if the recirculated air mode is used.
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Outside/recirculated air mode
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When driving on dusty roads such as tunnels or in heavy traffic, set the outside/recircu-
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lated air mode button to the recirculated air mode. This is effective in preventing out-
side air from entering the vehicle interior. During cooling operation, setting the
recirculated air mode will also cool the vehicle interior effectively.
Outside/recirculated air mode may automatically switch depending on the tempera-
●
ture setting or the inside temperature.
Operation of the air conditioning system in Eco drive mode
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In Eco drive mode, the air conditioning system is controlled as follows to prioritize fuel
efficiency:
Engine speed and compressor operation controlled to restrict heating/cooling capac-
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ity
Fan speed restricted when automatic mode is selected
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To improve air conditioning performance, perform the following operations:
Adjust the fan speed
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Turn off Eco drive mode
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6-2. Using the air conditioning system
*
For details, contact any authorized Lexus
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