2015 LEXUS RX450h ECO mode

3313-1. Lexus Display Audio system
3
Interior features ■
When using the screen ●
Under extremely cold conditions, the Lexus Display Audio controller may react
slowly.●
If the screen is cold, the display may be dark, or the system may seem to be
operating slightly slower than normal.●
The screen may seem dark and hard to see when viewed through sunglasses.
Change your angle of viewing, adjust the display on the “Display Settings”
screen (  P. 332) or remove your sunglasses.
CAUTION■
Using the Lexus Display Audio controller ●
Do not allow fingers, fingernails or hair to become caught in the Lexus Display
Audio controller as this may cause an injury.●
Be careful when touching the Lexus Display Audio controller in extreme temper-
atures as it may become very hot or cold due to the temperature inside the vehi-
cle.
NOTICE■
To prevent the Lexus Display Audio controller malfunction ●
Do not allow the Lexus Display Audio controller to come into contact with food,
liquid, stickers or lit cigarettes as doing so may cause it to change color, emit a
strange odor or stop functioning.●
Do not subject the Lexus Display Audio controller to excessive pressure or
strong impact as the controller may bend or break off.●
Do not allow coins, contact lenses or other such items to become caught in the
Lexus Display Audio controller as this may cause it to stop functioning.
●
Items of clothing may rip if they become caught on the Lexus Display Audio con-
troller.
●
If your hand or any object is on the Lexus Display Audio controller when the
“POWER” switch is turned to ACCE SSORY mode, the Lexus Display Audio
controller may not operate properly.

3413-1. Lexus Display Audio system
3
Interior features ■
Adjusting the volume
The volume of the Mobile Assistant can be adjusted using the
“ PWR·VOL
” knob or
steering wheel volume switches. The Mobile Assistant and phone call volumes are
synchronized.■
Microphone
●
Wait for the listening beeps befo re using the Mobile Assistant.●
The Mobile Assistant may not recognize commands in the following situations:
• When spoken too quickly.
• When spoken at a low or high volume.
• When the roof or windows are open.
• When passengers are talking while the Mobile Assistant is being used.
• When the air conditioning system’s fan speed is set high.
• When the air conditioning vents are turned toward the microphone.■
Mobile Assistant precautions ●
The available features and functions may vary based on the iOS version
installed on the connected device.●
Some Siri features are limited in Eyes Free mode. If you attempt to use an
unavailable function, Siri will inform you that the function is not available.●
If Siri is not enabled on the cell ular phone connected via Bluetooth ®
, an error
message will be displayed on the screen.
●
While a phone call is active, the Mo bile Assistant cannot be used.
●
If using the navigation feature of the cellular phone, ensure the active audio
source is Bluetooth ®
audio or iPod in order to hear turn by turn direction
prompts. It is not necessary to speak directly into the
microphone when using the Mobile Assis-
tant.

3473-2. Using the air conditio ning system and defogger
3
Interior features Front side outlets
Direct air flow to the left or right,
up or down.
Turn the knob to open or close
the vent.
Rear outlets
Direct air flow to the left or right,
up or down.
Turn the knob to open or close
the vent.
■
Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning syst em is controlled as follows to prioritize
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 performanc e, perform the following operations:●
Adjust the fan speed
●
Turn off Eco drive mode
■
Customization
The air conditioning control of Eco drive mode can be changed to the same setting
as that used in normal drive mode.
(Customizable features  P. 825)

3493-2. Using the air conditio ning system and defogger
3
Interior features ■
When outside air temperature is below 32  F (0  C)
The cooling and dehumidification function may not operate even when
is
on.■
Ventilation and air conditioning odors ●
To let fresh air in, set the air conditioning system to the outside air mode.●
During use, various odors from inside and outside the vehicle may enter into
and accumulate in the air conditioning sy stem. This may then cause odor to be
emitted from the vents.●
To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode
prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in automatic mode.
CAUTION■
To prevent the windshield from fogging up
Do not use
during cool air operation in ex tremely humid weather. The dif-
ference between the temperature of the outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE■
To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid
system is off.

3553-2. Using the air conditio ning system and defogger
3
Interior features ■
Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning syst em is controlled as follows to prioritize
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 performanc e, perform the following operations:●
Adjust the fan speed●
Turn off Eco drive mode■
Customization
The air conditioning control of Eco drive mode can be changed to the same setting
as that used in normal drive mode.
(Customizable features  P. 825)■
Air conditioning system settings ●
When the “POWER” switch is turned on, the air conditioning system settings
will be set to those that were in use the last time the “POWER” switch was
turned off.●
Air conditioning system settings are memorized individually on each electronic
key, so the settings repr oduced will be specific to the key that is used.●
This feature is customizable at your Lexus dealer.■
Using automatic mode
Fan speed is adjusted automatically accord ing to the temperature setting and ambi-
ent conditions. As a result, the following may occur:
Immediately after the button is pressed, the fan may stop for a while until warm or
cool air is ready to flow.■
Using the system in recirculated air mode
The windows will fog up more easily if recirculated air mode is used for an extended
period.
■
Switching between outside air and recirculated air modes
Recirculated air mode or outside air mode may be automatically switched in accor-
dance with the temperature setting and the inside temperature.

3563-2. Using the air conditio ning system and defogger
■
When the outside temperature exceeds 75°F (24°C) and the air conditioning
system is on ●
In order to reduce the air conditioning power consumption, the air conditioning
system may switch to recirculated air mode automatically. This may also reduce
fuel consumption.●
Recirculated air mode is selected as a default mode when the “POWER” switch
is turned to ON mode.●
It is possible to switch to outside air mode at any time by pressing .■
Window defogger feature
Recirculated air mode may automatically switch to outside air mode in situations
where the windows need to be defogged.■
When outside air temperature is below 32  F (0  C)
The cooling and dehumidification fu nction may not operate even when
is
pressed.■
When the indicator light on goes off
Press to turn on the cooling and dehumi dification function again. There may
be a problem in the air conditioning system if the indicator light goes off again
shortly after the button is pressed. Have it inspected by your Lexus dealer.■
Ventilation and air conditioning odors ●
To let fresh air in, set the air conditioning system to the outside air mode.●
During use, various odors from inside and outside the vehicle may enter into
and accumulate in the air conditioning sy stem. This may then cause odor to be
emitted from the vents.●
To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode
prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in automatic mode.

3593-2. Using the air conditio ning system and defogger
3
Interior features ■
Operating conditions
The “POWER” switch is in ON mode.■
The outside rear view mirror defoggers
Turning the rear window defogger on will turn the outside rear view mirror defog-
gers on.
CAUTION■
When the outside rear view mirror defoggers are on
Do not touch the outside surface of the rear view mirrors, as they can become very
hot and burn you.

3613-2. Using the air conditio ning system and defogger
3
Interior features ■
Operating conditions
The “POWER” switch is in ON mode.
CAUTION■
When the windshield wiper de-icer is on
Do not touch the lower part of the windshield or the side of the front pillars, as the
surfaces can become very hot and burn you.