LEXUS RX350, RX350L (2019 year). Instruction — part 24
381
4-5. Using the driving support systems
4
Dr
iving
RX350/RX350L_U
■
Turning off both TRAC, VSC and Trailer Sway Control systems
To turn the TRAC, VSC and Trailer Sway Control systems off, press and hold
for
more than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on and the “Traction Control Turned Off” will be
shown on the multi-information display.
*
Press
again to turn the systems back on.
*
: On vehicles with PCS (Pre-Collision System), pre-collision brake assist and pre-
collision braking will also be disabled. The PCS warning light will come on and a
message will be displayed on the multi-information display. (
■
When the message is displayed on the multi-information display showing that TRAC
has been disabled even if
has not been pressed
TRAC cannot be operated. Contact your Lexus dealer.
■
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
●
2 seconds at maximum elapsed after the brake pedal is released
■
Sounds and vibrations caused by the ABS, brake assist, VSC, Trailer Sway Control,
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 slightly after the ABS is activated.
• The brake pedal may move down slightly 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.
382
4-5. Using the driving support systems
RX350/RX350L_U
■
Automatic reactivation of TRAC, Trailer Sway Control and VSC systems
After turning the TRAC, Trailer Sway Control and VSC systems off, the systems will be
automatically re-enabled in the following situations:
●
When the engine switch 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.
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 vehicle’s stopping distance. Always maintain a
safe distance from the vehicle in front of you, especially in the following situations:
●
When driving on dirt, gravel or snow-covered roads
●
When driving with tire chains
●
When driving over bumps on 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 while driving on slippery road
surfaces, even if the TRAC/VSC system is operating. Drive the vehicle carefully in con-
ditions where stability and power may be lost.
383
4-5. Using the driving support systems
4
Dr
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RX350/RX350L_U
WARNING
■
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 extended period of time. Do not attempt to use hill-start assist con-
trol to hold the vehicle on an incline, as doing so may lead to an accident.
■
When the TRAC/VSC/Trailer Sway Control 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/Trailer Sway Control 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/Trailer Sway Control systems off unless necessary.
Trailer Sway Control is part of the VSC system and will not operate if VSC is turned off
or experiences a malfunction.
■
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 tires are inflated to the recommended tire infla-
tion pressure level.
The ABS, TRAC, Trailer Sway Control and VSC systems will not function correctly if
different tires are installed on the vehicle.
Contact your Lexus dealer for further information when replacing tires or wheels.
■
Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspension will affect the driving
assist systems, and may cause a system to malfunction.
■
Trailer Sway Control precaution
The Trailer Sway Control system is not able to reduce trailer sway in all situations.
Depending on many factors such as the conditions of the vehicle, trailer, road surface,
and driving environment, the Trailer Sway Control system may not be effective. Refer to
your trailer owner’s manual for information on how to tow your trailer properly.
■
If trailer sway occurs
Observe the following precautions.
Failing to do so may cause death or serious injury.
●
Firmly grip the steering wheel. Steer straight ahead.
Do not try to control trailer sway by turning the steering wheel.
●
Begin releasing the accelerator pedal immediately but very gradually to reduce
speed.
Do not increase speed. Do not apply vehicle brakes.
If you make no extreme correction with the steering or brakes, your vehicle and trailer
should stabilize. (
384
RX350/RX350L_U
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 front tires.
Ensure that all tires are of the specified size and the same brand, and that chains
match the size of the 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.
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.
Pre-winter preparations
Before driving the vehicle
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4-6. Driving tips
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RX350/RX350L_U
Accelerate the vehicle slowly, keep a safe distance between you and the vehicle
ahead, and drive at a reduced speed suitable to road conditions.
●
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.
When the parking brake is in automatic mode, release the parking brake after shifting
the shift lever to P. (
●
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 attempted 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 system. Have the vehicle inspected by your
Lexus dealer immediately.
Use the correct tire chain size when mounting the tire chains. Chain size is regu-
lated for each tire size.
Side chain:
0.12 in. (3 mm) in diameter
0.43 in. (10.8 mm) in width
0.98 in. (25 mm) in length
Cross chain:
0.15 in. (3.9 mm) in diameter
0.54 in. (13.8 mm) in width
1.00 in. (25.3 mm) in length
Regulations regarding the use of tire chains vary depending on location and type
of road. Always check local regulations before installing chains.
When driving the vehicle
When parking the vehicle
Selecting tire chains
1
2
3
4
5
6
Regulations on the use of tire chains
386
4-6. Driving tips
RX350/RX350L_U
To enable the windshield wipers to be lifted when heavy snow or icy conditions
are expected, change the rest position of the windshield wipers from the
retracted position below the hood to the service position using the wiper lever.
(
■
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 front tires only. Do not install tire chains on the rear tires.
●
Install tire chains on front 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.
Windshield wipers
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 vehicle 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
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 curve to ensure that vehicle control is main-
tained.
●
Do not use the LKA (Lane-Keeping Assist) system.
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4-6. Driving tips
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RX350/RX350L_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 and attachment of snow tires affects the operation of the
tire pressure warning valves and transmitters.
■
Fitting tire chains
The tire pressure warning valves and transmitters may not function correctly when tire
chains are fitted.
388
4-6. Driving tips
RX350/RX350L_U
●
Specific design characteristics give it a higher center of gravity than ordinary
passenger cars. This vehicle design feature causes this type of vehicle to be
more likely to rollover. And, utility vehicles have a significantly higher rollover
rate than other types of vehicles.
●
An advantage of the higher ground clearance is a better view of the road
allowing you to anticipate problems.
●
It is not designed for cornering at the same speeds as ordinary passenger cars
any more than low-slung sports cars are designed to perform satisfactorily
under off-road conditions. Therefore, sharp turns at excessive speeds may
cause the vehicle to rollover.
Utility vehicle precautions
This vehicle belongs to the utility vehicle class, which has higher ground clear-
ance and narrower tread in relation to the height of its center of gravity.
Utility vehicle feature
WARNING
■
Utility vehicle precautions
Always observe the following precautions to minimize the risk of death, serious injury
or damage to your vehicle:
●
In a rollover crash, an unbelted person is significantly more likely to die than a person
wearing a seat belt. Therefore, the driver and all passengers should always fasten
their seat belts.
●
Avoid sharp turns or abrupt maneuvers, if at all possible.
Failure to operate this vehicle correctly may result in loss of control or vehicle rollover
causing death or serious injury.
●
Loading cargo on the roof luggage carrier will make the center of the vehicle gravity
higher. Avoid high speeds, sudden starts, sharp turns, sudden braking or abrupt
maneuvers, otherwise it may result in loss of control or vehicle rollover due to failure
to operate this vehicle correctly.
●
Always slow down in gusty crosswinds. Because of its profile and higher center of
gravity, your vehicle is more sensitive to side winds than an ordinary passenger car.
Slowing down will allow you to have better control.
●
Do not drive horizontally across steep slopes. Driving straight up or straight down is
preferred. Your vehicle (or any similar off-road vehicle) can tip over sideways much
more easily than forward or backward.
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4-6. Driving tips
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RX350/RX350L_U
Your vehicle is not designed to be driven off-road. However, in the event that
off-road driving cannot be avoided, please observe the following precautions to
help avoid the areas prohibited to vehicles.
●
Drive your vehicle only in areas where off-road vehicles are permitted to
travel.
●
Respect private property. Get owner’s permission before entering private
property.
●
Do not enter areas that are closed. Honor gates, barriers and signs that
restrict travel.
●
Stay on established roads. When conditions are wet, driving techniques
should be changed or travel delayed to prevent damage to roads.
■
Additional information for off-road driving
For owners in U.S. mainland, Hawaii and Puerto Rico:
To obtain additional information pertaining to driving your vehicle off-road, consult the
following organizations.
●
State and Local Parks and Recreation Departments
●
State Motor Vehicle Bureau
●
Recreational Vehicle Clubs
●
U.S. Forest Service and Bureau of Land Management
Off-road driving
390
4-6. Driving tips
RX350/RX350L_U
WARNING
■
Off-road driving precautions
Always observe the following precautions to minimize the risk of death, serious injury
or damage to your vehicle:
●
Drive carefully when off the road. Do not take unnecessary risks by driving in danger-
ous places.
●
Do not grip the steering wheel spokes when driving off-road. A bad bump could jerk
the wheel and injure your hands. Keep both hands and especially your thumbs on the
outside of the rim.
●
Always check your brakes for effectiveness immediately after driving in sand, mud,
water or snow.
●
After driving through tall grass, mud, rock, sand, rivers, etc., check that there is no
grass, bush, paper, rags, stone, sand, etc. adhering or trapped on the underbody.
Clear off any such matter from the underbody. If the vehicle is used with these materi-
als trapped or adhering to the underbody, a breakdown or fire could occur.
●
When driving off-road or in rugged terrain, do not drive at excessive speeds, jump,
make sharp turns, strike objects, etc. This may cause loss of control or vehicle rollover
causing death or serious injury. You are also risking expensive damage to your vehi-
cle’s suspension and chassis.
NOTICE
■
To prevent water damage
Take all necessary safety measures to ensure that water damage to the engine or other
components does not occur.
●
Water entering the engine air intake will cause severe engine damage.
●
Water entering the automatic transmission will cause deterioration in shift quality,
locking up of your transmission accompanied by vibration, and ultimately damage.
●
Water can wash the grease from wheel bearings, causing rusting and premature fail-
ure, and may also enter the differential, transmission and transfer (AWD models only)
case, reducing the gear oil’s lubricating qualities.
■
When you drive through water
If driving through water, such as when crossing shallow streams, first check the depth of
the water and the bottom of the riverbed for firmness. Drive slowly and avoid deep
water.
■
Inspection after off-road driving
●
Sand and mud that has accumulated around brake discs may affect braking efficiency
and may damage brake system components.
●
Always perform a maintenance inspection after each day of off-road driving that has
taken you through rough terrain, sand, mud, or water. For scheduled maintenance
information, refer to the “Warranty and Services Guide/Owner’s Manual Supple-
ment/Scheduled Maintenance”.
391
4-6. Driving tips
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RX350/RX350L_U
392
RX350/RX350L_U
system. . . . . . . . . . ..394
switches. . . . . . . . . .. 400
Mobile Assistant. . . . . . .. 401
USB/AUX ports. . . . . . 403
Setup menu . . . . . . . . ..406
General settings. . . . . . .407
Voice settings. . . . . . . ... 410
Display settings. . . . . . . ..411
Selecting the audio source . ..412
Optimal use of the audio
system. . . . . . . . . . ... 413
Audio settings . . . . . . . ...414
Audio menu screen
operation. . . . . . . . . ..417
Radio operation. . . . . . ..420
CD player operation . . . . 427
5
Lexus Display
Audio system
393
5
Lexus Display
Audio system
RX350/RX350L_U
Listening to an iPod. . . . ...434
Using USB memory
device. . . . . . . . . . .. 438
Using the AUX port . . . . .442
®
®
devices. . . . . . . . . . .443
device. . . . . . . . . . ...445
®
device. . . . . . . . . . ...446
audio player. . . . . . . ...447
phone . . . . . . . . . . .. 448
device details . . . . . . . 449
settings. . . . . . . . . . 450
®
Audio
®
Audio. . . . . . . . . . . 453
Phone
Phone. . . . . . . . . . ...455
Making a call. . . . . . . . 457
Receiving a call. . . . . . ...460
Speaking on the phone. . . . 461
Using a Bluetooth
phone
message. . . . . . . . . ..463
switches. . . . . . . . . ...465
®
phone
settings . . . . . . . . . . 466
Contact settings . . . . . . .468
Messaging setting. . . . . . 471
(Troubleshooting). . . . ... 472
®
. . . . . . . . ... 476
“Information” screen. . . . .482
USB photo . . . . . . . . . 484
Weather information. . . . 486
Voice command system . . .487
394
RX350/RX350L_U
5-1. Basic Operations
Disc slot
“TUNE•SCROLL” knob
Select a radio station band, 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.
Select preset radio stations, or access a desired track or file.
Display the media top screen.
Display the radio top screen.
Eject a disc.
“PWR•VOL” knob
Press to turn the audio system on/off, and turn to adjust the volume.
Lexus Display Audio system
: If equipped
Use the following buttons to start listening to the audio system.
Lexus Display Audio operation buttons
1
2
3
4
5
6
7
8
395
5-1. Basic Operations
5
Le
xus
Dis
play Audi
o syst
em
RX350/RX350L_U
■
“Menu” screen
To display the “Menu” screen, press the “MENU” button on the Lexus Display
Audio controller.
*
: Available in the 48 states, D.C. and Alaska
Button
Function
“Radio”
Display the radio top screen (
“Media”
Display the media top screen (
“Climate”
Display the air conditioning control screen (
“Phone”
Display the phone top screen (
“Connected Navi”
*
If a turn-by-turn navigation application has been downloaded
to a connected phone, the application will be displayed and
can be used.
“Info”
Display the “Information” screen (
“Setup”
Display the “Setup” screen (
P. 406)
“Display”
Display the display settings screen (
396
5-1. Basic Operations
RX350/RX350L_U
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 (
Display the “Menu” screen
(
Back button
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 the 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.
Lexus Display Audio controller
1
2
3
4
1
2
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