
3405-11. Bluetooth®
IS350/250_U (OM53C50U)
■When using the Bluetooth® audio system
●In the following situations, the system may not function.
• If the portable audio player is turned off
• If the portable audio player is not connected
• If the portable audio player’s battery is low
●There may be a delay if a cellular phone connection is made during Bluetooth® audio
play.
●Depending on the type of portable audio player that is connected to the system, opera-
tion may differ slightly and certain functions may not be available.
■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 system, quality of the sound may deteriorate
and connection status may deteriorate.
●In the following situations, 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
• If there is interference from the network of the cellular phone
■Conditions under which the system will not operate
●If using a cellular phone that does not support Bluetooth®
●If the cellular phone is turned off
●If you are outside of cellular phone service coverage
●If the cellular phone is not connected
●If the cellular phone’s battery is low
●When outgoing calls are controlled, due to heavy traffic on telephone lines, etc.
●When the cellular phone itself cannot be used
●When transferring phonebook data from the cellular phone
Bluetooth®

3515-12. Other function
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
●Voice commands may not be recognized if:
• Spoken too quickly.
• Spoken at a low or high volume.
• The roof or windows are open.
• Passengers are talking while voice commands are spoken.
• The air conditioning speed is set high.
• The air conditioning vents are turned towards the microphone.
●In the following conditions, the system may not recognize the command properly and
using voice commands may not be possible:
• The command is incorrect or unclear. Note that certain words, accents or speech patterns may be diffi cult for the system to recognize.
• There is excessive background noise, such as wind noise.
■When searching for a track
●A USB memory or iPod must be connected to enable track searching and playback.
( → P. 2 74 )
●When a USB memory or iPod is connected, recognition data is created so tracks can
be searched using voice commands.
●Recognition data is updated under the following conditions:
• When the USB memory or iPod data has changed.
• When the voice recognition language is changed. (→ P. 2 76 )
●While the recognition data is being created or being updated, a track search cannot be
performed using a voice command.
■The Gracenote® media database
→ P. 2 9 9
Due to natural language speech recognition technology, this system enables rec-
ognition of a command when spoken naturally. However, the system cannot rec-
ognize every variation of each command.
In some situations, it is possible to omit the command for the procedure and
directly state the desired operation.
This function is available in English, Spanish and French.
Casual speech recognization

357
Interior features6
IS350/250_U (OM53C50U)
6-1. Using the air conditioning system
Automatic air conditioning system ..........................................358
Heated steering wheel/ seat heaters/
seat ventilators ......................... 366
6-2. Using the interior lights Interior lights list .........................368• Interior lights .......................... 369
• Personal lights ....................... 369
6-3. Using the storage features List of storage features ............ 370• Glove box .................................371
• Console box.............................371
•Cup holders/bottle holders..........................372
Trunk features ............................... 374
6-4. Using the other interior features
Other interior features .............377
• Sun visors .................................377
• Vanity mirrors .........................377
• Clock .........................................377
• Power outlet ........................... 378
• Armrest .................................... 379
• Rear sunshade....................... 379
• Assist grips............................... 381
• Coat hooks .............................. 381
Garage door opener................382
Compass ....................................... 387
LEXUS Enform Safety Connect......................................390

358
IS350/250_U (OM53C50U)6-1. Using the air conditioning system
■Adjusting the temperature setting
To adjust the temperature setting,
touch and slide your finger up or
down on the sensor.
The temperature setting can also be
adjusted by touching on the sensor.
When the temperature setting is
changed, a buzzer sounds.
Automatic air conditioning system
Air outlets and fan speed are automatically adjusted according to the temper-
ature setting.
Vehicles with a Lexus Display Audio system: Press the “MENU” button on the
Lexus Display Audio controller, then select “Climate” to display the air condi-
tioning operation screen.
For details on the Lexus Display Audio controller, refer to “Lexus Display
Audio controller” on P. 268.
Vehicles with a navigation system:
Press the “MENU” button on the Remote
Touch, then select “Climate” to display the air conditioning control screen.
For details on the Remote Touch, refer to the “NAVIGATION SYSTEM
OW N ER’S M A NUA L”.
Air conditioning controls

3596-1. Using the air conditioning system
6
Interior features
IS350/250_U (OM53C50U)
■Fan speed setting
Press to increase the fan speed.
Press to decrease the fan speed.
■Change the airflow mode
To change the airflow, press .
The air outlets used are switched each time the button is pressed.
■Other functions
●Switching between outside air and recirculated air modes ( →P. 3 6 1 )
●Defogging the windshield ( →P. 3 6 2 )
●Defogging the rear window and outside rear view mirrors ( →P. 3 6 2 )
XWith a Lexus Display Audio
Adjust the left-hand side temper-
ature setting.
Adjust the fan speed setting
Select to set auto mode on/off, fan
off and displaying the option con-
trol screen ( →P. 360)
Select the air flow mode
Adjust the right-hand side temperature setting
Move the Lexus Display Audio controller left/right to select the desired item
( to ).
When , or is selected:
Move the controller forward/backward or turn it left/right for adjusting.
When or is selected:
Move the controller forward/backward or turn it left/right to select a screen
button, then press the controller.
Air conditioning control screen
1
2
3
4
5
1
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