LEXUS LX 570 (2019 year). Instruction — part 13
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Your vehicle will handle differently when towing a trailer. Help to avoid an acci-
dent, death or serious injury, keep the following in mind when towing:
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Speed limits for towing a trailer vary by state or province. Do not exceed the
posted towing speed limit.
●
Lexus recommends that the vehicle-trailer speed limit is 65 mph (104 km/h)
on a flat, straight, dry road. Do not exceed this limit, the posted towing speed
limit or the speed limit for your trailer as set forth in your trailer owner’s man-
ual, whichever is lowest. Instability of the towing vehicle-trailer combination
(trailer sway) increases as speed increases. Exceeding speed limits may cause
loss of control.
●
Before starting out, check the trailer lights, tires and the vehicle-trailer con-
nections. Recheck after driving a short distance.
●
Practice turning, stopping and reversing with the trailer attached in an area
away from traffic until you become accustomed to the feel of the vehicle-
trailer combination.
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Reversing with a trailer attached is difficult and requires practice. Grip the
bottom of the steering wheel and move your hand to the left to move the
trailer to the left. Move your hand to the right to move the trailer to the right.
(This is generally opposite to reversing without a trailer attached.) Avoid sharp
or prolonged turning. Have someone guide you when reversing to reduce the
risk of an accident.
●
As stopping distance is increased when towing a trailer, vehicle-to-vehicle dis-
tance should be increased. For each 10 mph (16 km/h) of speed, allow at least
one vehicle and trailer length.
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Avoid sudden braking as you may skid, resulting in the trailer jackknifing and
loss of vehicle control. This is especially true on wet or slippery surfaces.
Trailer towing tips
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Avoid jerky starts or sudden acceleration.
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Avoid jerky steering and sharp turns, and slow down before making a turn.
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Note that when making a turn, the trailer wheels will be closer than the vehicle
wheels to the inside of the turn. Compensate by making a wider than normal
turning radius.
●
Slow down before making a turn, in crosswinds, on wet or slippery surfaces,
etc.
Increasing vehicle speed can destabilize the trailer.
●
Take care when passing other vehicles. Passing requires considerable dis-
tance. After passing a vehicle, do not forget the length of your trailer, and be
sure you have plenty of room before changing lanes.
●
To maintain engine braking efficiency and charging system performance
when using engine braking, do not put the transmission in D.
If in the S mode, the transmission shift range position must be in 6 or lower.
(
●
Instability happens more frequently when descending steep or long downhill
grades. Before descending, slow down and downshift. Do not make sudden
downshifts while descending steep or long downhill grades.
●
Avoid holding the brake pedal down too long or applying the brakes too fre-
quently. This could cause the brakes to overheat and result in reduced braking
efficiency.
●
Due to the added load of the trailer, your vehicle’s engine may overheat on hot
days (at temperatures over 85°F [30°C]) when driving up a long or steep
grade. If the engine coolant temperature gauge indicates overheating, imme-
diately turn off the air conditioning (if in use), pull your vehicle off the road and
stop in a safe spot. (
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Always place wheel blocks under both the vehicle’s and the trailer’s wheels
when parking. Apply the parking brake firmly, and put the transmission in P.
Avoid parking on a slope, but if unavoidable, do so only after performing the
following:
Apply the brakes and keep them applied.
Have someone place wheel blocks under both the vehicle’s and trailer’s
wheels.
When the wheel blocks are in place, release the brakes slowly until the
blocks absorb the load.
Shift into P and apply the parking brake.
Turn off the engine.
●
When restarting after parking on a slope:
With the transmission in P, start the engine. Be sure to keep the brake pedal
pressed.
Shift into a forward gear. If reversing, shift into R.
If the parking brake is in manual mode, release the parking brake.
(
Release the brake pedal, and slowly pull or back away from the wheel
blocks. Stop and apply the brakes.
Have someone retrieve the blocks.
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■
Matching trailer ball height to trailer coupler height
■
Before towing
Check that the following conditions are met:
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Ensure that your vehicle’s tires are properly inflated. (
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Trailer tires are inflated according to the trailer manufacturer’s recommendation.
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All trailer lights work as required by law.
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All lights work each time you connect them.
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The trailer ball is set at the proper height for the coupler on the trailer.
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The trailer is level when it is hitched.
Do not drive if the trailer is not level, and check for improper tongue weight, overload-
ing, worn suspension, or other possible causes.
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The trailer cargo is securely loaded.
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The rear view mirrors conform to all applicable federal, state/provincial or local regula-
tions. If they do not, install rear view mirrors appropriate for towing purposes.
No matter which class of tow hitch applies, for a
more safe trailer hookup, the trailer ball setup
must be the proper height for the coupler on the
trailer.
Coupler
Trailer ball
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Driving mode select switch
The suspension can be switched for improvement in driveability. (
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Break-in schedule
If your vehicle is new or equipped with any new power train components (such as an
engine, transmission, differential or wheel bearing), Lexus recommends that you do not
tow a trailer until the vehicle has been driven for over 500 miles (800 km).
After the vehicle has been driven for over 500 miles (800 km), you can start towing.
However, for the next 500 miles (800 km), drive the vehicle at a speed of less than
50 mph (80 km/h) when towing a trailer, and avoid full throttle acceleration.
■
Maintenance
●
If you tow a trailer, your vehicle will require more frequent maintenance due to the addi-
tional load. (See “Owner’s Guide”, “Warranty and Services Guide”, “Owner’s Manual
Supplement” or “Warranty Booklet”.)
●
Retighten the fixing bolts of the towing ball and bracket after approximately 600 miles
(1000 km) of trailer towing.
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If trailer sway occurs
One or more factors (crosswinds, passing vehicles, rough roads, etc.) can adversely
affect handling of your vehicle and trailer, causing instability.
●
If trailer swaying occurs:
• Firmly grip the steering wheel. Steer straight ahead.
Do not try to control trailer swaying 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.
●
After the trailer swaying has stopped:
• Stop in a safe place. Get all occupants out of the vehicle.
• Check the tires of the vehicle and the trailer.
• Check the load in the trailer.
Make sure the load has not shifted.
Make sure the tongue weight is appropriate, if possible.
• Check the load in the vehicle.
Make sure the vehicle is not overloaded after occupants get in.
If you cannot find any problems, the speed at which trailer swaying occurred is beyond
the limit of your particular vehicle-trailer combination.
Drive at a lower speed to prevent instability. Remember that swaying of the towing vehi-
cle-trailer increases as speed increases.
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WARNING
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Trailer towing precautions
●
To tow a trailer safely, use extreme care and drive the vehicle in accordance with the
trailer’s characteristics and operating conditions. Failure to do so could cause an acci-
dent resulting in death or serious injury. Vehicle stability and braking performance are
affected by trailer stability, brake setting and performance, and the hitch. Your vehicle
will handle differently when towing a trailer.
●
Set the vehicle height to the “LO” mode and turn off the 4-Wheel AHC when you
connect a trailer, otherwise the vehicle height may change due to the automatic level-
ing function, and you may catch part of your body in the vehicle, resulting in an acci-
dent. (
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To avoid accident or injury
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Do not exceed the TWR, unbraked TWR, GCWR, GVWR or GAWR.
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If the gross trailer weight is over 2000 lb. (907 kg), a sway control device with suffi-
cient capacity is required.
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If the gross trailer weight is over 5000 lb. (2268 kg), a weight distributing hitch with
sufficient capacity is required.
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Adjust the tongue weight within the appropriate range. Place heavier loads as close
to the trailer axle as possible.
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Do not exceed 65 mph (104 km/h), the posted towing speed limit or the speed limit
for your trailer as set forth in your trailer owner’s manual, whichever is lowest. Slow
down sufficiently before making a turn, in crosswinds, on wet or slippery surface, etc.
to help avoid an accident. If you experience a vehicle-trailer instability from reducing
a certain speed, slow down and make sure you keep your vehicle speed under the
speed of which you experience the instability.
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Do not make jerky, abrupt or sharp turns.
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Do not apply the brakes suddenly as you may skid, resulting in jackknifing and loss of
vehicle control. This is especially true on wet or slippery surfaces.
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Do not exceed the trailer hitch assembly weight, gross vehicle weight, gross axle
weight and trailer tongue weight capacities.
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Do not use cruise control (if equipped) or dynamic radar cruise control with full-
speed range (if equipped) when trailer towing.
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Slow down and downshift before descending steep or long downhill grades. Do not
make sudden downshifts while descending steep or long downhill grades.
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Vehicle-trailer instability is more likely on steep long down hills. Before descending
steep or long downhill grades, slow down and downshift. Do not make sudden down-
shifts when descending steep or long downhill grades. Avoid holding the brake pedal
down too long or applying the brakes too frequently. This could cause the brakes to
overheat and result in reduced braking efficiency.
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WARNING
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Hitch
Trailer hitch assemblies have different weight capacities established by the hitch manu-
facturer. Even though the vehicle may be physically capable of towing a higher weight,
the operator must determine the maximum weight rating of the particular hitch assem-
bly and never exceed the maximum weight rating specified for the trailer-hitch.
Exceeding the maximum weight rating set by the trailer-hitch manufacturer can cause
an accident resulting in death or serious personal injuries.
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When towing a trailer
Lexus recommends trailers with brakes that conform to any applicable federal and
state/provincial regulations.
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If the gross trailer weight exceeds unbraked TWR, trailer brakes are required. Lexus
recommends trailers with brakes that conform to all applicable federal and state/pro-
vincial regulations.
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Never tap into your vehicle’s hydraulic system, as this will lower the vehicle’s braking
effectiveness.
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Never tow a trailer without using a safety chain securely attached to both the trailer
and the vehicle. If damage occurs to the coupling unit or hitch ball, there is danger of
the trailer wandering into another lane.
NOTICE
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When installing a trailer hitch
Use only the position recommended by your Lexus dealer. Do not install the trailer
hitch on the bumper; this may cause body damage.
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Do not directly splice trailer lights
Do not directly splice trailer lights. Directly splicing trailer lights may damage your
vehicle’s electrical system and cause a malfunction.
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Dinghy towing
Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground)
behind a motor home.
NOTICE
■
To avoid serious damage to your vehicle
Do not tow your vehicle with four wheels on the ground.
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4-2. Driving procedures
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Engine (ignition) switch
Pull the parking brake switch to check that the parking brake is set. (
Parking brake indicator will come on.
Check that the shift lever is set in P.
Firmly depress the brake pedal.
and a message will be displayed on the multi-information display.
If it is not displayed, the engine cannot be started.
Press the engine switch shortly and
firmly.
When operating the engine switch, one
short, firm press is enough.
It is not necessary to press and hold the
switch.
The engine will crank until it starts or for
up to 30 seconds, whichever is less.
Continue depressing the brake pedal
until the engine is completely started.
The engine can be started from any
engine switch mode.
Performing the following operations when carrying the electronic key on your
person starts the engine or changes engine switch modes.
Starting the engine
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4-2. Driving procedures
Stop the vehicle.
Set the parking brake (
P. 225), and shift the shift lever to P.
Press the engine switch.
Release the brake pedal and check that the display on the instrument cluster is
off.
Modes can be changed by pressing the engine switch with brake pedal released.
(The mode changes each time the switch is pressed.)
Off
*
The emergency flashers can be used.
ACCESSORY mode
Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
multi-information display.
IGNITION ON mode
All electrical components can be used.
“IGNITION ON” will be displayed on
the multi-information display.
*
: If the shift lever is in a position other than
P when turning off the engine, the
engine switch will be turned to ACCES-
SORY mode, not to off.
Stopping the engine
Changing engine switch modes
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4-2. Driving procedures
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If the engine is stopped with the shift lever in a position other than P, the engine
switch will not be turned off but instead be turned to ACCESSORY mode. Per-
form the following procedure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is displayed on the multi-information display
and then press the engine switch once.
Check that “Turn Off Vehicle” on the multi-information display is off.
■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION ON
mode (the engine is not running) for more than an hour with the shift lever in P, the engine
switch will automatically turn off. However, this function cannot entirely prevent battery
discharge. Do not leave the vehicle with the engine switch in ACCESSORY or IGNI-
TION ON mode for long periods of time when the engine is not running.
■
Operation of the engine switch
●
If the switch is not pressed shortly and firmly, the engine switch mode may not change
or the engine may not start.
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If attempting to restart the engine immediately after turning the engine switch off, the
engine may not start in some cases. After turning the engine off, please wait a few sec-
onds before restarting the engine.
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Electronic key battery depletion
P. 118
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Conditions affecting operation
P. 140
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Note for the entry function
P. 141
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If the engine does not start
●
The engine immobilizer system may not have been deactivated. (
Contact your Lexus dealer.
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Check that the shift lever is securely set in P. The engine may not start if the shift lever is
displaced out of P.
A message will be displayed on the multi-information display.
■
Steering lock
After turning the engine switch off and opening and closing the doors, the steering wheel
will be locked due to the steering lock function. Operating the engine switch again auto-
matically cancels the steering lock.
When stopping the engine with the shift lever in a position other than P
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4-2. Driving procedures
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When the steering lock cannot be released
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Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended if the
engine is turned on and off repeatedly in a short period of time. In this case, refrain from
running the engine. After about 10 seconds, the steering lock motor will resume func-
tioning.
■
When “Smart Access System Malfunction See Owner’s Manual” is displayed on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer,
immediately.
■
If the electronic key battery is depleted
P. 505
■
If the smart access system with push-button start has been deactivated in a customized
setting
P. 549
A message will be displayed on the multi-infor-
mation display.
Check that the shift lever is set in P. Press the
engine switch while turning the steering wheel
left and right.
WARNING
■
When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the accelerator
pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■
Caution while driving
If engine failure occurs while the vehicle is moving, do not lock or open the doors until
the vehicle reaches a safe and complete stop. Activation of the steering lock in this cir-
cumstance may lead to an accident, resulting in death or serious injury.
■
Stopping the engine in an emergency
●
If you want to stop the engine in an emergency while driving the vehicle, press and
hold the engine switch for more than 2 seconds, or press it briefly 3 times or more in
succession. (
However, do not touch the engine switch while driving except in an emergency. Turn-
ing the engine off while driving will not cause loss of steering or braking control, but
the power assist to these systems will be lost. This will make it more difficult to steer
and brake, so you should pull over and stop the vehicle as soon as it is safe to do so.
●
If the engine switch is operated while the vehicle is running, a warning message will be
shown on the multi-information display and a buzzer sounds.
●
When restarting the engine after it was turned off while driving, shift the shift lever to
N and press the engine switch.
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4-2. Driving procedures
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NOTICE
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To prevent battery discharge
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Do not leave the engine switch in ACCESSORY or IGNITION ON mode for long
periods of time without the engine running.
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If “ACCESSORY” or “IGNITION ON” is displayed on the multi-information display,
the engine switch is not off. When exiting the vehicle, always check that the engine
switch is off.
●
Do not stop the engine when the shift lever is in a position other than P. If the engine is
stopped in another shift lever position, the engine switch will not be turned off but
instead be turned to ACCESSORY mode. If the vehicle is left in ACCESSORY
mode, battery discharge may occur.
■
When starting the engine
●
Do not race a cold engine.
●
If the engine becomes difficult to start or stalls frequently, have your vehicle checked
by your Lexus dealer immediately.
■
Symptoms indicating a malfunction with the engine switch
If the engine switch seems to be operating somewhat differently than usual, such as the
switch sticking slightly, there may be a malfunction. Contact your Lexus dealer immedi-
ately.
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4-2. Driving procedures
Automatic transmission
While the engine switch is in IGNITION ON mode, move the shift lever
with the brake pedal depressed.
When shifting the shift lever between P and D, make sure that the vehicle is
completely stopped.
*
1
: Shifting to the D position allows the system to select a gear suitable for the driving
conditions. Setting the shift lever to the D position is recommended for normal driv-
ing.
*
2
: If equipped, by selecting shift ranges using paddle shift switches, you can control
engine braking forces.
*
3
: Selecting shift ranges using S mode restricts the upper limit of the possible gear
ranges, controls engine braking forces, and prevents unnecessary upshifting.
Shifting the shift lever
Shift position purpose
Shift position
Purpose and condition
P
Parking the vehicle/starting the engine
R
Reversing
N
Neutral
(Condition in which the power is not transmitted)
D
Normal driving
*
1
or temporary shift range selection driving
*
2
S
S mode driving
*
3
(
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4-2. Driving procedures
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Use second start mode for accelerating and driving on slippery road surfaces
such as snow.
Press the button to use second start
mode.
Press the button again to cancel second
start mode.
Selecting the second start mode
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4-2. Driving procedures
To drive using temporary shift range selection, operate the “-” or “+” paddle shift
switch.
When the “-” paddle shift switch is operated, the shift range will be downshifted
to a range that enables engine braking force that is suitable to driving conditions.
When the “+” paddle shift switch is operated, the shift range will be one gear
upper than the gear in use during normal D position driving.
Changing the shift range allows restriction of the highest shift range, preventing
unnecessary upshifting and enabling the level of engine braking force to be
selected.
Downshifting
Upshifting
The selected shift range, from D1 to
D8, will be displayed in the meter.
To return to normal D position driv-
ing, the “+” paddle shift switch must
be held down for a period of time.
A lower shift range will provide greater engine braking forces than a higher shift
range.
Changing shift range in D position (vehicles with paddle shift switches)
1
2
Meter display
Function
D2-D8
A gear in the range between 1 and the selected gear is auto-
matically chosen depending on vehicle speed and driving
conditions
D1
Setting the gear at 1
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