2020 Lexus IS350 engine

3024-5. Using the driving support systems
IS350 AWD/IS350/IS300 AWD/IS300_U
◆EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to turn the
steering wheel.
◆Adaptive Variable Suspension system (if equipped)
Controls the damping force of the shock absorber of each wheel according to
the road and driving conditions, helpin g achieve a comfortable ride, excellent
driveability and a high level of stability.
If SPORT S+ mode is selected using the driving mode select switch, the
damping force will become more suitable for sporty driving.( P. 298)
◆VDIM (Vehicle Dynamics Integrated Management)
Provides integrated control of the ABS, brake assist, TRAC, VSC, hill-start
assist control, and EPS systems
Helps to maintain vehicle stability when swerving on slippery road surfaces by
controlling the brakes and engine output
The slip indicator light will flash while
the TRAC/VSC systems are operating.
When the TRAC/VSC systems are operating

3034-5. Using the driving support systems
4
Driving
IS350 AWD/IS350/IS300 AWD/IS300_U
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce
power from the engine to the wheels. Pressing to turn the system off may
make it easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly
press and release .
The “Traction Control Turned Off” will
be shown on the multi-information dis-
play. Press again to turn the sys-
tem back on.
■Turning off both TRAC and VSC systems
To turn the TRAC and VSC systems off, press and hold for more than 3 seconds
while the vehicle is stopped. The VSC OFF indicator light will come on an d the “Traction Control Turned Off” will
be shown on the multi-information display.
*
Press again to turn the system back on.
*: Pre-collision brake assist and pre-collision br aking will also be disabled. The pre-colli-
sion system warning light wi ll come on and the message will be shown on the multi-
information display. ( P. 239)
■When the message is displayed on the mu lti-information display showing that TRAC
has been disabled even if the VSC OFF switch has not been pressed
TRAC cannot be operated. Contact your Lexus dealer.
Disabling the TRAC system

3044-5. Using the driving support systems
IS350 AWD/IS350/IS300 AWD/IS300_U
■Operating conditions of hill-start assist control
When the following four conditions are met, the hill-start assist control will operate:
●The shift lever is in a position other than P or N (when starting off forward/backward on
an upward incline)
●The vehicle is stopped
●The accelerator pedal is not depressed
●The parking brake is not engaged
■Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
●The shift lever is shifted to P or N
●The accelerator pedal is depressed
●The parking brake is engaged
●Approximately 2 seconds elapse af ter the brake pedal is released
■When the battery is disconnected
The steering wheel may move from its straight forward position, but this will be corrected
automatically when driving.
■Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC and hill-start assist
control systems
●A sound may be heard from the engine compartment when the brake pedal is
depressed repeatedly, when the engine is started or just after the vehicle begins to
move. This sound does not indicate that a malfunction has occurred in any of these sys-
tems.
●Any of the following conditions may occur when the above systems are operating.
None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard also after the vehicle comes to a stop.
• The brake pedal may pulsate slig htly after the ABS is activated.
• The brake pedal may move down s lightly after the ABS is activated.
■EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be heard.
This does not indicate a malfunction.
■Automatic reactivation of TRAC and VSC systems
After turning the TRAC and VSC systems off, the systems will be automatically re-
enabled in the following situations:
●When the engine swit ch is turned off
●If only the TRAC system is turned off, the TRAC will turn on when vehicle speed
increases
If both the TRAC and VSC systems are turned off, automatic re-enabling will not occur
when vehicle speed increases.
■Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from overheating
when there is frequent steering input over an extended period of time. The steering
wheel may feel heavy as a result . Should this occur, refrain from excessive steering input
or stop the vehicle and turn the engine off. The EPS system should return to normal
within 10 minutes.

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

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.

3175-1. Basic Operations
5
Lexus Display Audio system
IS350 AWD/IS350/IS300 AWD/IS300_U
■When using the screen
●Under extremely cold conditions, the Lexus Display Audio controller may react slowly.
●If the screen is cold, the display may be dark, or the system may seem to be operating
slightly slower than normal.
●The screen may seem dark and hard to see when viewed through sunglasses. Change
your angle of viewing, adjust the display on the “Display” screen (P. 329) or remove
your sunglasses.
■Using cellular phones
Interference may be heard through the audi o system’s speakers if a cellular phone is
being used inside or close to the vehicle while the audio system is operating.
WARNING
■Using the Lexus Display Audio controller
Be careful when touching the Lexus Display Audio controller in extreme temperatures
as it may become very hot or cold due to the temperature inside the vehicle.
■Laser product
●CAUTION
USE OF CONTROL OR ADJUSTMENT OR PERFORMANCE OF PROCE-
DURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARD-
OUS RADIATION EXPOSURE.
●CAUTION
THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL
INCREASE EYE HAZARD.
NOTICE
■To prevent Lexus Display Audio controller malfunction
●Do not allow the Lexus Display Audio controll er to come into contact with food, liq-
uid, stickers or lit cigarettes as doing so may cause it to change color, emit a strange
odor or stop functioning.
●Do not subject the Lexus Display Audio controller to excessive pressure or strong
impact as the controller may bend or break off.
■To prevent battery discharge
Do not leave the audio system on longer than necessary when the engine is off.
■To avoid damaging the audio system
Take care not to spill drinks or other fluids on the audio system.

3425-4. Using the radio
IS350 AWD/IS350/IS300 AWD/IS300_U
■How to subscribe to SiriusXM Satellite Radio
All SiriusXM services, including satellite ra dio and data services, plus streaming ser-
vices, require a subscription, sold separately or as a package by Sirius XM Radio Inc.
(U.S.A.) or Sirius XM Canada Inc. (Canada), after any trial subscription which may be
included with your vehicle purchase or lease. To subscribe after yo ur trial subscription,
call 1-877-447-0011 (U.S.A.) or 1-877-438-9677 (Canada).
●IMPORTANT INFORMATION ABOUT YOUR SUBSCRIPTION:
Your SiriusXM services will automatically stop at the end of your trial unless you
decide to subscribe. If you decide to continue service, the paid subscription plan you
choose will automatically renew and you will be charged the rate in effect at that time
and according to your chosen payment meth od. Fees and taxes apply. You may cancel
at any time by calling 1-866-635-2349. See SiriusXM Customer Agreement for
complete terms at www.siriusxm.com
(U.S.A.) or www.siriusxm.ca (Canada). All fees
and programming subject to change. Traffic information not available in all markets.
●ABOUT SiriusXM Services
Most in-car trials today include SiriusXM’s best package  All Access. It includes
every channel available on yo ur radio, plus streaming.
●SiriusXM All Access Subscription
Listen everywhere with All Access. You get every channel available in your ride, plus
you can listen on the app and online - so yo u can enjoy the best SiriusXM has to offer,
anywhere life takes you. It’s the only pack age that gives you all of our premium pro-
gramming, including Howard Stern, every NFL, MLB
® and NBA game, every
NASCAR® race, NHL® games, 24/7 talk channels dedicated to the biggest leagues,
and more. You get all kinds of commercial-free music, including artist-dedicated chan-
nels and more, plus sports, news, talk and entertainment.
●RADIO OPERATION
Look for the Sirius, XM, SiriusXM, Band, SAT, AUX, Radio or Source button and
you’re in. If you can’t hear us, it’s easy to get started:
U.S.A.
• Locate your Radio ID by turning to Channe l 0. If you don’t see your number there,
go to siriusxm.com/activationhelp
to find it.
• Visit siriusxm.com/refresh
or call 1-855-MYREFRESH (697-3373) to send a
refresh signal to your radio.
Canada
• Locate your Radio ID by turning to Channel 0.
• Visit siriusxm.ca/refresh
to send a refresh signal to your radio or call 1-888-539-
7474 for service.
NOTICE
It is prohibited to copy, decompile, disassemble, reverse engineer, hack, manipulate, or
otherwise make available any te chnology or software incorporated in receivers compati-
ble with the SiriusXM Satellite Radio System or that support the SiriusXM website, the
Online Service or any of its content. Furthermore, the AMBE
® voice compression soft-
ware included in this product is protected by intellectual property rights including patent
rights, copyrights, and trade secret s of Digital Voice Systems, Inc.

3645-7. Connecting Bluetooth®
IS350 AWD/IS350/IS300 AWD/IS300_U
When a registered Bluetooth® audio player is in standby for a connection, it will
automatically connect to the system wh en the engine switch is turned to
ACCESSORY or IGNITION ON mode.
When automatic connection priority is set to on and there is more than one reg-
istered Bluetooth
® audio player available, the system will automatically connect
to the Bluetooth® audio player with the highest priority. ( P. 367)
Operate the portable player and connect it to the Bluetooth
® audio system.
Go to “Bluetooth
*1 Setup”: “MENU” button  “Setup”  “Bluetooth*1”
Select the device to connect.
Select “Connect XX
*2” or “Connect as an Audio Player”.
If the desired Bluetooth
® device is not displayed, register the device.
( P. 362)
*1: Bluetooth is a registered trademark of Bluetooth SIG, Inc.
*2: XX represents the selected device name.
Connecting a Bluetooth® audio player
There are 2 portable audio player conne ction settings available: connecting
from the vehicle and connectin g from the portable player.
Connecting method is set to “Vehicle”
Connecting method is set to “Device”
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2
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