Lexus IS250 2015 Owner's Manual

260
IS350/250_U (OM53C50U)4-6. Driving tips
●Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine coolant
•Washer fluid
●Have a service technician inspect the condition of the battery.
●Have the vehicle fitted with four snow tires or purchase a set of tire chains for
the rear tires.
*
Ensure that all tires are the specified size and brand, and that chains match the size
of the tires.
*: Tire chains cannot be mounted on the 18-inch tires.
Perform the following according to the driving conditions:
●Do not try to forcibly open a window or move a wiper that is frozen. Pour
warm water over the frozen area to melt the ice. Wipe away the water imme-
diately to prevent it from freezing.
●To ensure proper operation of the climate control system fan, remove any
snow that has accumulated on the air inlet vents in front of the windshield.
●Check for and remove any excess ice or snow that may have accumulated on
the exterior lights, vehicle’s roof, chassis, around the tires or on the brakes.
●Remove any snow or mud from the bottom of your shoes before getting in the
vehicle.
Accelerate the vehicle slowly, keep a safe distance between you and the vehicle
ahead, and drive at a reduced speed suitable to road conditions.
Winter driving tips
Carry out the necessary preparations and inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Preparation for winter
Before driving the vehicle
When driving the vehicle

2614-6. Driving tips
4
Driving
IS350/250_U (OM53C50U)
Park the vehicle and move the shift lever to P without setting the parking brake.
The parking brake may freeze up, preventing it from being released. If necessary,
block the wheels to prevent inadvertent sliding or creeping.
XExcept vehicles with 18-inch tires
Use the correct tire chain size when mounting the tire chains.
Chain size is regulated for each tire size.
Side chain
(0.12 in. [3 mm] in diameter)
Cross chain
(0.16 in. [4 mm] in diameter)
XVehicles with 18-inch tires
Tire chains cannot be mounted.
Snow tires should be used instead.
Regulations regarding the use of tire chains vary depending on location and type
of road. Always check local regulations before installing chains.
■Tire chain installation
Observe the following precautions wh en installing and removing chains:
●Install and remove tire chains in a safe location.
●Install tire chains on the rear tires. Do not install tire chains on the front tires.
●Install tire chains on rear tires as tightly as possible. Retighten chains after driving 1 /4
 1/2 mile (0.5  1.0 km).
●Install tire chains following the instructions provided with the tire chains.
When parking the vehicle
Selecting tire chains
1
2
Regulations on the use of tire chains

2624-6. Driving tips
IS350/250_U (OM53C50U)
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, abrupt 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.

2634-6. Driving tips
4
Driving
IS350/250_U (OM53C50U)

264
IS350/250_U (OM53C50U)
5-1. Basic OperationsLexus Display Audio System ......................................... 266
Steering wheel audio switches......................................... 271
Mobile Assistant..........................272
USB/AUX ports .......................... 274
5-2. Setup Setup menu .................................. 275
General settings.......................... 276
Voice settings .............................. 279
Display settings ...........................280
5-3. Using the audio system Selecting the audio source ..... 281
Optimal use of the audio system .......................................... 282
Audio settings.............................. 283
Audio menu screen operation .................................... 286
5-4. Using the radio Radio operation .......................... 289
5-5. Playing an audio CD and MP3/WMA/AAC discs
CD player operation ................ 295

265
Lexus DisplayAudio system
5
IS350/250_U (OM53C50U)
5-6. Using an external device
Listening to an iPod ....................301
Listening USB memory device .......................................... 304
Using the AUX port................. 308
5-7. Connecting Bluetooth
®
Steps for using Bluetooth®
devices ........................................ 309
Registering a Bluetooth
®
device ..............................................311
Selecting a Bluetooth
®
device ............................................ 312
Connecting a Bluetooth
®
audio player ................................ 313
Connecting a Bluetooth
®
phone ............................................ 314
Displaying a Bluetooth
®
device details ............................. 315
Detailed Bluetooth
®
settings.......................................... 316
5-8. Bluetooth
® Audio
Listening to Bluetooth
®
Audio ............................................. 317 5-9. Bluetooth
® Phone
Using a Bluetooth
®
Phone ............................................ 319
Making a call................................. 321
Receiving a call ........................... 324
Speaking on the phone............ 325
Using a Bluetooth
®
phone message........................ 327
Using the steering wheel switches....................................... 329
Bluetooth
® phone
settings ........................................330
5-10. Phonebook Contact settings ......................... 332
Messaging setting...................... 335
5-11. Bluetooth
®
What to do if... (Troubleshooting).................... 336
Bluetooth
®..................................340
5-12. Other function “Information” screen ................. 345
USB photo .................................... 347
Weather information ................ 349
Voice command system ..........350
LEXUS Enform Remote ......... 354

266
IS350/250_U (OM53C50U)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/off, and turn to adjust the volume.1
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2675-1. Basic Operations
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
■“Menu” screen
To display the “Menu” screen, press the button on the controller unit.
ButtonFunction
“Radio”Display the radio top screen ( →P. 2 8 9 )
“Media”Display the media top screen ( →P. 295, 301, 304, 308)
“Climate”Automatic air conditioning system ( →P. 3 5 8 )
“Phone”Display the phone top screen ( →P. 3 1 9 )
“Info”Display the “Information” screen (→ P. 3 4 5 )
“Setup”Setup menu (→P. 2 7 5 )
“Display”Display settings (→ P. 2 8 0 )

2685-1. Basic Operations
IS350/250_U (OM53C50U)
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 8 1 )
Display the “Menu” screen
( → P. 2 6 7 )
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 back 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
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2695-1. Basic Operations
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
■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
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