Page 342 of 680

3425-1. Basic Operations
NX300h_OM_USA_OM78082U
Steering wheel audio switches
Volume 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/down 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.
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 switches
1
2
WA R N I N G
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
3
Page 343 of 680
3435-1. Basic Operations
5
Lexus Display Audio system
NX300h_OM_USA_OM78082U
Mobile Assistant
Press 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 system responds to a
voice command. After some phone and
music commands, the Mobile Assistant
feature will automatically end to com-
plete the requested action.
The Mobile Assistant feature will activate Apple’s Siri Eyes Free mode via
the steering wheel switches. To operate the Mobile Assistant, a compatible
cellular phone must be registered and connected to this system via
Bluetooth
. ( P. 3 8 2 )
1
2
Page 344 of 680

3445-1. Basic Operations
NX300h_OM_USA_OM78082U
■Adjusting the volume
The volume of the Mobile Assist ant can be adjusted using the
“PWR·VOL” knob or
steering wheel volume switches. The Mobile Assistant and 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 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 th e Mobile Assistant 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 cellular 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 feature of the cellular phone, ensure the active audio source is
Bluetooth audio or iPod in order to hear turn by turn direction prompts.
Page 345 of 680
3455-1. Basic Operations
5
Lexus Display Audio system
NX300h_OM_USA_OM78082U
USB/AUX ports
Lift the lid while pushing the button
to release the lock.
Open the cover.
■iPod
Open the cover and connect an iPod using an iPod cable.
Turn on the power of the iPod if it is not turned on.
■USB memory
Open the cover and connect the USB memory device.
Turn on the power, if applicable, of the US B memory device if it is not turned on.
■Portable audio player
Open the cover and connect the portable audio player.
Turn on the power of the portable audio player if it is not turned on.
Connect an iPod, USB memory device or portable audio player to the USB/
AUX port as indicated below. Select “iPod”, “USB”, “AUX” or “A/V” on the
audio source selection screen and the device can be operated via Lexus Dis-
play Audio system.
Connecting using the USB/AUX port
1
2
Page 346 of 680
3465-1. Basic Operations
NX300h_OM_USA_OM78082U
To view a video on an iPod video or VTR, it is necessary to use a 4-pole AUX
cable to connect the portable audio device.
When connecting a portable audio device to the AUX port, use a 4-pole AUX
cable with a plug that matches the exact layout shown in the illustration. Connected device (portable audio
device, etc.)
Left audio
Right audio
Ground
Video
When using an iPod video, a cable
that has a 4-pole AUX plug and a
USB connector is necessary. Con-
nect the plug and connector to the
AUX and USB ports.
■When using a 4-pole AUX cable
If a 4-pole AUX cable with a different layout is used, audio and/or video may not be out-
put properly.
■When using the USB/AUX port
Using a 4-pole AUX cable
1
2
3
4
5
The notch in console box allows audio cables to
be passed through even when the console box
is closed.
WA R N I N G
■While driving
Do not connect a device or operate the device controls.
Page 347 of 680
3475-2. Setup
5
Lexus Display Audio system
NX300h_OM_USA_OM78082U
Setup menu
“Setup” screen: “MENU” button “Setup”
Change the settings for operation
sounds, screen animation, etc.
( P. 3 4 8 )
Adjust the settings for voice guid-
ance volume and voice recognition
prompts. ( P. 3 5 1 )
Change the settings for registering,
removing, connecting and discon-
necting Bluetooth
® devices.
( P. 384, 385, 386, 387)
Change the settings for FM radio, iPod, etc. ( P. 3 5 5 )
Change the settings for vehicle customization. ( P. 6 3 1 )
Change the settings for phone sound, phonebook, etc. ( P. 4 0 3 )
The Lexus Display Audio system can be adjusted to the desired settings.
Display “Setup” screen
1
2
3
4
5
6
Page 349 of 680

3495-2. Setup
5
Lexus Display Audio system
NX300h_OM_USA_OM78082U
Go to “Customize Images”: “MENU” button “Setup” “General”
“Customize Images”
Select “Set Images” and then select the desired image.
Set as startup image.
Set as screen off image.
Set as startup image and screen
off image.
■Adding an imageConnect a USB memory device. ( P. 3 4 5 )
Select “Copy from USB” on the “Customize Images” screen and then
select the desired image.
Move the controller to the left and then select “Copy”.
Up to 10 images can be downloaded.
■Deleting images
Select “Delete Images” on the “Customize Images” screen and then select the
desired images.
■USB memory
When saving the images to a USB memory device, name the folder that the images are
saved to “Image”.
●Compatible device formats
The following device format can be used: • USB communication format: USB2.0 FS (480 Mbps)
• File system format: FAT16/32 (Windows)
• Correspondence class: Mass storage class
The following types of files can be used:
• The image’s file format must be JPEG.
• The file name may only contain ASCII characters.
●JPEG file compatibility
Compatible image size: Maximum 5MB
Customizing images
1
2
1
2
3
1
2
3
Page 350 of 680
3505-2. Setup
NX300h_OM_USA_OM78082U
“MENU” button “Setup” “General” “Delete Personal Data”
Select “Delete”.
Check carefully beforehand, as data cannot be retrieved once deleted.
The following personal data will be deleted or changed to its default settings.
• Phonebook data
• Call history data
•Favorite data
•Bluetooth
® devices data
• Phone sound settings
• Detailed Bluetooth
® settings
• Audio/video setting
• Preset switch data
•Last used radio station
• Customized image data
•FM info setting
• iPod tagging information
• Software update history
• Software update detail information
•Phone disp lay setting
• Contact/call history setting
• Messaging setting
• Traffic information map
• Weather information
• Phonebook data for voice recognition
• Music data for voice recognition
NOTICE
■To prevent damage to the USB memory device or its terminals
P. 3 8 0
Deleting personal data
1
2