Lexus LS 460 2017 Manual page 434

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434
5-3. Using the air conditioning system and defogger
Operation of the air conditioning system in Eco drive mode
In the Eco drive mode, the air conditioning system is controlled as follows to priori-
tize fuel efficiency
• Engine speed and compressor operation controlled to restrict heating/cooling
capacity
• Fan speed restricted when automatic mode is selected
To improve air conditioning performance, perform the following operations
• Adjust the fan speed
• Turn off Eco drive mode
Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature setting and
ambient conditions. As a result, the following may occur:
Immediately after the "AUTO" switch is pressed, the fan may stop for a while until
warm or cool air is ready to flow.
Cool air may flow to the area around the upper body when the heater is on.
Fogging up of the windows
The windows will easily fog up when the humidity in the vehicle is high. Selecting
"A/C" on will dehumidify the air from the outlets and defog the windshield effec-
tively.
If you turn "A/C" off, the windows may fog up more easily.
The windows may fog up if the recirculated air mode is used.
Outside/recirculated air mode
When driving on dusty roads such as tunnels or in heavy traffic, set the outside/
recirculated air mode button to the recirculated air mode. This is effective in pre-
venting outside air from entering the vehicle interior. During cooling operation, set-
ting the recirculated air mode will also cool the vehicle interior effectively.
Outside/recirculated air mode may automatically switch depending on the tem-
perature setting or the inside temperature.

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