2018 LEXUS RX450h Owners Manual

4015-1. Basic Operations
5
Lexus Display Audio system
RX450h_RX450hL _U_OM48F85U■
“Menu” screen
To display the “Menu” screen, press th e “MENU” button on the Lexus Display
Audio controller.
* : Available in the 48 states, D.C. and Alaska Button Function
“Radio” Display the radio top screen ( → P. 426)
“Media” Display the media top screen ( → P. 433, 440, 444, 448, 453)
“Climate” Display the air conditioning control screen ( → P. 509, 511)
“Phone” Display the phone top screen ( → P. 461)
“Connected Navi”
* If a turn-by-turn navigation application has been downloaded
to a connected phone, the appl ication will be displayed and
can be used.
“Info” Display the “Information” screen ( → P. 488)
“Setup” Display the “Setup” screen ( → P. 412)
“Display” Display the display settings screen ( → P. 417)

402 5-1. Basic Operations
RX450h_RX450hL _U_OM48F85UBy using the Lexus Display Audio controlle r, you can control the audio system,
hands-free system, etc.
Display the “Source” screen or
audio top screen ( → P. 418)
Display the “Menu” screen
( → P. 401)
Back button
Display the previous screen
Turn or move the controller to select
a function and number.
Move the controller to display the le ft or right side of the screen.
Push the controller to enter the selected function and number. ■
Using the Lexus Display Audio controller
Select: Turn or move the control-
ler.
Enter: Push the controller.Lexus Display Audio controller 1
2
3
4
1
2

4035-1. Basic Operations
5
Lexus Display Audio system
RX450h_RX450hL _U_OM48F85U■
Basic screen operation
When a list is displayed, use the approp riate button to scroll through the list.
Select the list by turning the con-
troller.
Return to the previous screen.
Indicator turns on when you can
move the controller left to view
additional screen text.
Indicator turns on when you can
move the controller right to view
additional screen text. 1
2
3
4

404 5-1. Basic Operations
RX450h_RX450hL _U_OM48F85U■
Input mode
Letters and numbers are inputted via the screen.
Turn the controller to select the
desired character and press the
controller to input the character.
When this indicator is shown, you
can change input fields by moving
the controller forward.
When this indicator is shown, you
can change character types by
moving the controller to the right
and then selecting the desired
character type.
Select to erase characters one by one. Select and hold to erase all charac-
ters.
Select to complete data input.■
Input field mode
When in the input field you can move the cursor to the desired position.
Turn the controller to move the
cursor left or right.
When this indicator is shown, you
can move the cursor to the right
input field by moving the control-
ler to the right.
When this indicator is shown, you
can move the cursor to the left
input field by moving the control-
ler to the left.
When this indicator is shown, you can change to input mode by moving the
controller backward.Inputting letters and numbers 1
2
3
4
5
1
2
3
4

4055-1. Basic Operations
5
Lexus Display Audio system
RX450h_RX450hL _U_OM48F85U■
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 da rk, 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 “D isplay” screen ( → P. 417) or remove
your sunglasses. ■
Using cellular phones
Interference may be heard through the audi o system’s speakers if a cellular phone is
being used inside or close to the vehicle while the audio system is operating.
WARNING ■
Using the Lexus Display Audio controller
Be careful when touching the Lexus Display Audio controller in extreme temperatures
as it may become very hot or cold due to the temperature inside the vehicle. ■
Laser product ●
CAUTION
USE OF CONTROL OR ADJUSTMENT OR PERFORMANCE OF PROCE-
DURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARD-
OUS RADIATION EXPOSURE. ●
CAUTION
THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL
INCREASE EYE HAZARD.
NOTICE ■
To prevent Lexus Display Au dio controller malfunction●
Do not allow the Lexus Display Audio controll er to come into contact with food, liq-
uid, 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 cont roller to excessive pressure or strong
impact as the controller may bend or break off.■
To prevent battery discharge
Do not leave the audio system on longer than necessary when the engine is off. ■
To avoid damaging the audio system
Take care not to spill drinks or other fluids on the audio system.

406 5-1. Basic Operations
RX450h_RX450hL _U_OM48F85UVolume switch
• Increases/decreases volume
• Press and hold: Continuously
increases/decreases volume
Radio mode:
• Press: Select a radio station
• Press and hold: Seek up/down
CD, MP3/WMA/AAC disc, Bluetooth ®
, iPod or USB mode:
• Press: Select a track/file/video
• Press and hold: Quickly move up/d own through tracks/files/videos.
“MODE” switch
• Turns the power on, selects audio source
• Press and hold this switch to mute or pause the current operation. To can-
cel the mute or pause, press and hold.Steering wheel audio switches Some audio features can be controlled using the switches on the steering
wheel.
Operation may differ depending on th e type of audio system or navigation
system. For details, refer to the manual provided with the audio system or nav-
igation system.
Operating the audio system us ing the steering wheel switches1
2
WARNING ■
To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel. 3

4075-1. Basic Operations
5
Lexus Display Audio system
RX450h_RX450hL _U_OM48F85UPress and hold the off hook switch
until you hear the beeps that indicate
the system is listening.
The Mobile Assistant can be used
only when the neighboring screen is
displayed. To cancel the Mobile Assistant, select
“Cancel”, or press and hold the off hook
switch.
To restart the Mobile Assistant for addi-
tional commands, press the off hook
switch. Mobile Assistant can only be
restarted after the sy stem responds to a
voice command. After some phone and
music commands, the Mobile Assistant
feature will automatically end to com-
plete the requested action.Mobile Assistant The Mobile Assistant feature will activate Apple’s Siri 
Eyes Free mode via
the steering wheel switches. To operat e the Mobile Assistant, a compatible
cellular phone must be registered and connected to this system via
Bluetooth 
. ( → P. 449) 1
2

408 5-1. Basic Operations
RX450h_RX450hL _U_OM48F85U■
Adjusting the volume
The volume of the Mobile Assist ant can be adjusted using the
“ PWR·VOL
” knob or
steering wheel volume switch es. The Mobile Assistant an d phone call volumes are syn-
chronized. ■
Microphone
It is not necessary to speak directly into the microphone when using the Mobile Assis-
tant. ●
Wait for the listening beeps before 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 th e Mobile Assistan t is being used.
• When the air conditioning syst em’s fan speed is set high.
• When the air conditioning vents ar e 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 ce llular phone connected via Bluetooth 
, an error message
will be displayed on the screen. ●
While a phone call is active, the Mobile Assistant cannot be used. ●
If using the navigation featur e of the cellular phone, ensure the active audio source is
Bluetooth 
audio or iPod in order to hear turn by turn direction prompts.