2020 Lexus IS350 Owner's Manual / LEXUS 2020 IS300,IS350 OWNER'S MANUAL (OM53F29U)

3054-5. Using the driving support systems
4
Driving
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
■The ABS does not operate effectively when
●The limits of tire gripping performance have been exceeded (such as excessively
worn tires on a snow covered road).
●The vehicle hydroplanes while driving at high speed on wet or slick roads.
■Stopping distance when the ABS is operating may exceed that of normal conditions
The ABS is not designed to shorten the vehi cle’s stopping distance. Always maintain a
safe distance from the vehicle in front of you, especially in the following situations:
●When driving on dirt, grav el or snow-covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with potholes or uneven surfaces
■TRAC/VSC may not operate effectively when
Directional control and power may not be achievable wh ile driving on slippery road
surfaces, even if the TRAC/VSC system is operating.
Drive the vehicle carefully in conditions where stability and power may be lost.
■Hill- start assist control does not operate effectively when
●Do not overly rely on hill-start assist control. Hill-start assist control may not operate
effectively on steep inclines and roads covered with ice.
●Unlike the parking brake, hill-start assist control is not intended to hold the vehicle
stationary for an exte nded period of time. Do not atte mpt to use hill-start assist con-
trol to hold the vehicle on an incline, as doing so may lead to an accident.
■When the VSC is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may cause an
accident. Exercise particular care when the indicator light flashes.
■When the TRAC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road conditions. As these
are the systems to help ensure vehicle stability and driving force, do not turn the
TRAC/VSC systems off unless necessary.
■Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and total load
capacity. In addition, make sure that the tire s are inflated to the recommended tire infla-
tion pressure level.
The ABS, TRAC and VSC systems will not function correctly if different tires are
installed on the vehicle.
Contact your Lexus dealer for further in formation when replacing tires or wheels.
■Handling of tires and the suspension
Using tires with any kind of problem or modi fying the suspension will affect the driving
assist systems, and may cause a system to malfunction.

306
IS350 AWD/IS350/IS300 AWD/IS300_U4-6. 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 me lt the ice. Wipe away the water imme-
diately to prevent it from freezing.
●To ensure proper operation of the c limate 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, chassi s, 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 sa fe distance between you and the vehicle
ahead, and drive at a reduced spee d suitable to road conditions.
Winter driving tips
Carry out the necessary preparations an d 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

3074-6. Driving tips
4
Driving
IS350 AWD/IS350/IS300 AWD/IS300_U
●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
the vehicle is parked without setting the parking brake, make sure to block the
wheels.
Failure to do so may be dangerous because it may cause the vehicle to move
unexpectedly, possibly leading to an accident.
●If the vehicle is parked without setting the parking brake, confirm that the shift
lever cannot be moved out of P
*.
*: The shift lever will be locked if it is atte mpted to be shifted from P to any other posi-
tion without depressing the brake pedal. If the shift lever can be shifted from P, there
may be a problem with the shift lock sy stem. Have the vehicle inspected by your
Lexus dealer immediately.
Except 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)
Vehicles with 18-inch tires
Tire chains cannot be mounted.
Snow tires should be used instead.
When parking the vehicle
Selecting tire chains
1
2

3084-6. Driving tips
IS350 AWD/IS350/IS300 AWD/IS300_U
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 when 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 instru ctions provided with the tire chains.
Regulations on the use of tire chains
WARNING
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of vehi cle 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 (excep t 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 ti re 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 curve to ensure that vehicle control is main-
tained.
●Do not use LDA (Lane Departure Alert with steering control) system.

3094-6. Driving tips
4
Driving
IS350 AWD/IS350/IS300 AWD/IS300_U
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 an d attachment of snow tires affects the operation of the
tire pressure warning va lves and transmitters.
■Fitting tire chains (except vehicles with 18-inch tires)
The tire pressure warning valv es and transmitters may not function correctly when tire
chains are fitted.

310
IS350 AWD/IS350/IS300 AWD/IS300_U
5-1. Basic OperationsLexus Display Audio system ........................................... 312
Steering wheel audio switches........................................ 318
Mobile Assistant.......................... 319
USB/AUX ports ......................... 321
5-2. Setup Setup menu .................................. 324
General settings ......................... 325
Voice settings ..............................328
Display settings ........................... 329
5-3. Using the audio system Selecting the audio source ..........................................330
Optimal use of the audio system ........................................... 331
Audio settings ............................. 332
Audio menu screen operation ....................................335
5-4. Using the radio Radio operation..........................338
5-5. Playing an audio CD and MP3/WMA/AAC discs
CD player operation ................ 344
Lexus Display Audio system
5

311
Lexus DisplayAudio system
5
IS350 AWD/IS350/IS300 AWD/IS300_U
5-6. Using an external device
Listening to an iPod .................... 351
Using USB memory device.......................................... 355
Using the AUX port ................ 359
5-7. Connecting Bluetooth
®
Steps for using Bluetooth®
devices ........................................ 360
Registering a Bluetooth
®
device...........................................362
Selecting a Bluetooth
®
device...........................................363
Connecting a Bluetooth
®
audio player ...............................364
Connecting a Bluetooth
®
phone ...........................................365
Displaying a Bluetooth
®
device details ............................366
Detailed Bluetooth
®
settings......................................... 367
5-8. Bluetooth
® Audio
Listening to Bluetooth
®
Audio............................................370 5-9. Bluetooth
® Phone
Using a Bluetooth
®
Phone .............................................371
Making a call ................................ 374
Receiving a call ........................... 377
Speaking on the phone............ 378
Using a Bluetooth
®
phone message....................... 380
Using the steering wheel switches.......................................382
Bluetooth
® phone
settings ........................................383
5-10. Phonebook Contact settings .........................385
Messaging setting..................... 388
5-11. Bluetooth
®
What to do if... (Troubleshooting)...................389
Bluetooth
®................................... 393
5-12. Other function “Information” screen................ 400
USB photo .................................... 402
Weather information................ 404
Voice command system .........405

312
IS350 AWD/IS350/IS300 AWD/IS300_U5-1. Basic Operations
Eject a disc.
Select preset radio stations, or
access a desired track or file.
Except radio and A/V mode: Pause or resume playing a track or file.
Radio and A/V mode: Turn mute on/off.
“TUNE•SCROLL” knob
Select a radio station band, track or file.
Disc slot
Display the media top screen.
Display the radio top screen.
“PWR•VOL” knob
Press to turn the audio system on/o ff, and turn to adjust the volume.
Lexus Display Audio system

: If equipped
Use the following buttons to star t listening to the audio system.
Lexus Display Audio operation buttons
1
2
3
4
5
6
7
8