2015 LEXUS RX450h Owners Manual

4253-3. Using the Lexus Display Audio system
3
Interior features ■
The sound quality level is adjusted individually
The treble, mid and bass levels can be adjusted for the each audio mode separately.■
About Automatic Sound Leveliser (ASL)
ASL automatically adjusts the volume and tone quality according to the vehicle
speed.

4263-3. Using the Lexus Display Audio system
Using the steering wh eel audio switches
Turning the audio system on
To turn the audio system on, press the “MODE” switch. Some audio features can be controlled using the switches on the steering
wheel.
Press: Turns the power on,
selects audio source
Press and hold: Pause or
mute
Increases/decreases volume
Radio mode:
Selects radio stations
CD mode:
Selects tracks/files and
folders (MP3/WMA)
iPod mode: Selects songs
USB memory mode:
Selects files and folders
Bluetooth ®
audio mode:
Selects tracks and albums

4273-3. Using the Lexus Display Audio system
3
Interior features Changing the audio source
Press the “MODE” switch when the audio system is turned on. The audio
source changes as follows each time the “MODE” switch is pressed. If no
discs are inserted in the player, or if the external device is not connected,
that mode will be skipped. FM  SAT  CD player  iPod or USB memory 
Bluetooth ®
audio  AUX  AM  FM
Adjusting the volume
Press “+” to increase the volume and “-” to decrease the volume. Hold the button in that position to continue increasing or decreasing the vol-
ume.
Silencing a sound
Press and hold the “MODE” switch. To cancel, press and hold
the “MODE” switch .
Selecting a radio station
Press the “MODE” switch to select the radio mode.
Press “  ” or “  ” on to select a radio station.
To seek stations, press and hold “  ” or “  ” on
until you hear a
beep.STEP 1
STEP 2

4283-3. Using the Lexus Display Audio system
Selecting a track/file or song
Press the “MODE” switch to select the CD, Bluetooth ®
audio,
iPod or USB memory mode.
Press “  ” or “  ” on to select the desired track/file or song.
Selecting a folder or album
Press the “MODE” switch to se lect the CD (only when MP3/
WMA disc is in use), Bluetooth ®
audio or USB memory mode.
Press and hold “  ” or “  ” on until you hear a beep.
CAUTION■
To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel. STEP 1
STEP 2
STEP 1
STEP 2

4293-3. Using the Lexus Display Audio system
3
Interior features Hands-free system (for mobile phone) The hands-free system is a function that allows you to use your mobile
phone without touching it.
This system supports Bluetooth ®
. Bluetooth ®
is a wireless data system that
allows the mobile phone to wirelessly connect to the hands-free system and
make/receive calls.
■ Telephone switch
Volume switch
During an incoming call:
Adjusts the ring tone volume
During an ongoing call:
Adjusts the receiver volume The voice guidance volume can-
not be adjusted using this but-
ton.
Off hook switch
• Sending
• Receiving
• “Phone” screen display
On hook switch
• End call
• Refuse call
Talk switch
Press: Turns the voice com-
mand system on
Press and hold: Turns the
voice command system off

4303-3. Using the Lexus Display Audio system
■ Microphone
You can use the microphone
when talking on the phone.
The person you are speaking to
can be heard from the front
speakers.
To use the hands-free system, you must register your Bluetooth ®
phone in the system. (  P. 4 3 8 )

4313-3. Using the Lexus Display Audio system
3
Interior features Status display
You can check indicators such as signal strength an d battery charge on
the “Phone” screen.
Connection status
Battery charge
Call area
Signal strength
Indicators Conditions
Connection status Good Not connected
Battery charge Full Empty
Call area “Rm”: Roaming area
Signal strength Excellent Poor
■
When using the hands-free system ●
The audio system is muted when making a call.
●
If both parties speak at the same time, it may be difficult to hear.
●
If the received call volume is overly loud, an echo may be heard.
If the Bluetooth ®
phone is too close to the sy stem, quality of the sound may
deteriorate and connecting condition may go down.

4323-3. Using the Lexus Display Audio system
●
In the following circumstances, it may be difficult to hear the other party:
• When driving on unpaved roads
• When driving at high speeds
• If a window is open
• If the air conditioning is blowing directly on the microphone
• There is an effect from the network of the mobile phone■
Conditions under which the system will not operate ●
If using a mobile phone that does not support Bluetooth ®
●
If the mobile phone is turned off●
If you are outside service range●
If the mobile phon e is not connected●
If the mobile phone’s battery is low●
When outgoing is controlled, due to heavy traffic on telephone lines, etc.●
When the mobile phone itself cannot be used●
When transferring the phonebook data from the mobile phone■
Bluetooth ®
antenna
The antenna is built into the display. If the mobile phone is behind the seat or in the
console box, or touching or covered by metal objects, connection status may dete-
riorate.■
Battery charge/Signal status ●
This display may not correspond exactly with the mobile phone itself.●
This system does not have a charging function.●
The Bluetooth ®
phone battery will burn quickly when it is connected to
Bluetooth ®
.●
When the mobile phone is not connected, “No Connect” is displayed.●
When you are out of service area or in a place inaccessible by radio waves, “No
service” is displayed.
■
When using Bluetooth ®
audio and hands-free system at the same time
The following problems may occur.
●
The Bluetooth ®
connection may be cut.
●
Noise may be heard on the Bluetooth ®
audio playback.