Page 257 of 573

2564-6. Driving tips
IS350/250_U (OM53758U)
CAUTION
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of ve hicle control and cause death or serious injury.
●Use tires of the specified size.
●Maintain the recommended level of air pressure.
●Do not drive in excess of 75 mph (120 km/h), regardless of the type of snow tires
being used.
●Use snow tires on all, not just some wheels.
■Driving with tire chains (except vehicles with 18-inch tires)
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury.
●Do not drive in excess of the speed limit specified for the tire chains being used, or 30
mph (50 km/h), whichever is lower.
●Avoid driving on bumpy road surfaces or over potholes.
●Avoid sudden acceleration, ab rupt steering, sudden braking and shifting operations
that cause sudden engine braking.
●Slow down sufficiently before entering a cu rve to ensure that vehicle control is main-
tained.
●Do not use LDA (Lane Departure Alert) system.
NOTICE
■Repairing or replacing snow tires
Request repairs or replacement of snow tires from Lexus dealers or legitimate tire
retailers.
This is because the removal and attachment of snow tires affects the operation of the
tire pressure warning valves and transmitters.
■Fitting tire chains (except vehicles with 18-inch tires)
The tire pressure warning valves and transmitters may not function correctly when tire
chains are fitted.
Page 258 of 573
2574-6. Driving tips
4
Driving
IS350/250_U (OM53758U)
Page 259 of 573
258
IS350/250_U (OM53758U)
5-1. Basic OperationsLexus Display Audio System ......................................... 260
Steering wheel audio switches....................................... 265
USB/AUX ports ......................... 266
5-2. Setup Setup menu ...................................267
General settings ......................... 268
Voice settings ................................ 271
Display settings ............................272
5-3. Using the audio system Selecting the audio source .....273
Optimal use of the audio system ........................................... 274
Audio settings.............................. 275
Audio menu screen operation .................................... 278
5-4. Using the radio Radio operation ........................... 281
5-5. Playing an audio CD and MP3/WMA/AAC discs
CD player operation ................ 287
Page 260 of 573

259
Lexus DisplayAudio system
5
IS350/250_U (OM53758U)
5-6. Using an external device
Listening to an iPod ................... 293
Listening USB memory device ........................................... 296
Using the AUX port................. 300
5-7. Connecting Bluetooth
®
Steps for using Bluetooth®
devices .......................................... 301
Registering a Bluetooth
®
device .......................................... 303
Selecting a Bluetooth
®
device .......................................... 304
Connecting a Bluetooth
®
audio player .............................. 305
Connecting a Bluetooth
®
phone .......................................... 306
Displaying a Bluetooth
®
device details ............................307
Detailed Bluetooth
®
settings........................................ 308
5-8. Bluetooth
® Audio
Listening to Bluetooth
®
Audio........................................... 309 5-9. Bluetooth
® Phone
Using a Bluetooth
®
Phone .............................................. 311
Making a call ................................. 313
Receiving a call ............................ 316
Speaking on th e phone..............317
Using a Bluetooth
®
phone message......................... 319
Using the steering wheel switches........................................ 321
Bluetooth
® phone
settings ........................................ 322
5-10. Phonebook Contact settings ......................... 324
Messaging setting...................... 327
5-11. Bluetooth
®
What to do if... (Troubleshooting).................... 328
Bluetooth
®......................... 332
5-12. Other function “Information” screen ................. 337
USB photo ....................................338
Weather information ................340
Voice command system ........... 341
Page 261 of 573
260
IS350/250_U (OM53758U)5-1. Basic Operations
Lexus Display Audio System
: If equipped
Use the following buttons to start listening to the audio system.
Display Audio operation buttons
Eject a disc.
Seek up or down for a radio station, or to access a desired track or file.
Except radio and A/V mode: Pause or resume playing a track.
Radio and A/V mode: Turn mute on/off
Select a radio station band, track or file.
Disc slot
Display the media top screen.
Display the radio top screen.
Press to turn the audio system on/o ff, and turn to adjust the volume.1
2
3
4
5
6
7
8
Page 262 of 573
2615-1. Basic Operations
5
Lexus Display Audio system
IS350/250_U (OM53758U)
■“Menu” screen
To display the “Menu” screen, press the button on the controller unit.
ButtonFunction
“Radio”Display the radio top screen ( P. 2 8 1 )
“Media”Display the media top screen ( P. 287, 293, 296, 300)
“Climate”Automatic air conditioning system ( P. 3 4 6 )
“Phone”Display the phone top screen ( P. 3 1 1 )
“Info”Display the “Information” screen ( P. 3 3 7 )
“Setup”Setup menu ( P. 2 6 7 )
“Display”Display settings ( P. 2 7 2 )
Page 263 of 573

2625-1. Basic Operations
IS350/250_U (OM53758U)
By using the Lexus Display Audio controller, you can control the audio system,
hands-free system, etc. Display the “Source” screen or
audio top screen ( P. 2 7 3 )
Display the “Menu” screen
( P. 2 6 1 )
Display the previous screen
Turn or move the controller to select
a function and number.
Move the controller to display the
left or right side of 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.
■Basic screen operation
When a list is displayed, use the appropriate button to scroll through the list.
Indicator turns on when you can
select the list by turning the con-
troller.
Indicator turns on when you can
return to the previous screen by
pressing the button.
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 addi-
tional screen text.
Lexus Display Audio controller
1
2
3
4
1
2
1
2
3
4
Page 264 of 573

2635-1. Basic Operations
5
Lexus Display Audio system
IS350/250_U (OM53758U)
■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