check engine LEXUS LX570 2018 Owner's Manual

LX570_OM_OM60Q78U_(U) 1814-1. Before driving
4
Driving NOTICE ■
When driving the vehicle ●
Do not depress the accelerator and brake pedals at the same time during driving, as
this may restrain the engine output.●
Do not use the accelerator pedal or depre ss the accelerator and brake pedals at the
same time to hold the vehicle on a hill. ■
When parking the vehicle
Always set the parking brake, and shift the sh ift lever to P. Failure to do so may cause
the vehicle to move or the vehicle may acce lerate suddenly if th e accelerator pedal is
accidentally depressed. ■
Avoiding damage to vehicle parts ●
Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering pump. ●
When driving over bumps in the road, drive as slowly as possible to avoid damaging
the wheels, underside of the vehicle, etc. ■
If you get a flat tire while driving
A flat or damaged tire may cause the following situations . Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle. ●
It may be difficult to control your vehicle. ●
The vehicle will make abnormal sounds or vibrations. ●
The vehicle will lean abnormally.
Information on what to do in case of a flat tire. ( → P. 532)■
When encountering flooded roads
Do not drive on a road that has flooded af ter heavy rain etc. Doing so may cause the
following serious damage to the vehicle: ●
Engine stalling ●
Short in electrical components ●
Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to have
your Lexus dealer check the following: ●
Brake function ●
Changes in quantity and quality of oil and fluid used for the engine, transmission,
transfer, differentials, etc. ●
Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.

LX570_OM_OM60Q78U_(U) 2014-1. Before driving
4
Driving ■
Driving mode select switch
The suspension can be switched fo r improvement in driveability. ( → P. 284)■
Break-in schedule
If your vehicle is new or equipped with any new power train components (such as an
engine, transmission, differen tial 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 requir e 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 ba ll and bracket after approximately 600 miles
(1000 km) of trailer towing. ■
If trailer sway occurs
One or more factors (crosswinds, passing ve hicles, rough roads, etc.) can adversely
affect handling of your vehicle and trailer, causing instability. ●
If trailer swaying occurs:
• Firmly grip the steering wh eel. Steer straight ahead.
Do not try to control trailer sway ing by turning the steering wheel.
• Begin releasing the accelerator pedal im mediately but very gradually to reduce
speed.
Do not increase speed. Do not apply vehicle brakes.
If you make no extreme correction with the st eering or brakes, your vehicle and trailer
should stabilize. ●
After the trailer sw aying 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 ov erloaded 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.

205
LX570_OM_OM60Q78U_(U) 4-2. Driving procedures
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Driving
Engine (ignition) switch Pull the parking brake switch to check that the parking brake is set. ( → P. 218)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, th e 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 wh en carrying the electronic key on your
person starts the engine or changes engine switch modes.
Starting the engine 1
2
3
4

206
LX570_OM_OM60Q78U_(U) 4-2. Driving procedures
Stop the vehicle.
Set the parking brake ( → P. 219), 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 en gine 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 1
2
3
4
1
2
3

LX570_OM_OM60Q78U_(U) 2074-2. Driving procedures
4
Driving If the engine is stopped with the shift le ver in a position other than P, the engine
switch will not be turned off but inst ead 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 disp layed on the multi-information display
and then press the engine switch once.
Check that “Turn Off Vehicle” on th e 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 ti me 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. ●
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. ■
Electronic key battery depletion
→ P. 112 ■
Conditions affe cting operation
→ P. 134 ■
Note for the entry function
→ P. 135 ■
If the engine does not start ●
The engine immobilizer system ma y not have been deactivated. ( → P. 75)
Contact your Lexus dealer. ●
Check that the shift lever is se curely set in P. The engine ma y 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 func tion. Operating the engine switch again auto-
matically cancels the steering lock.When stopping the engine with the shift lever in a position other than P1
2
3
4

208
LX570_OM_OM60Q78U_(U) 4-2. Driving procedures■
When the steering lock cannot be released
■
Steering lock motor overheating prevention
To prevent the steering lock motor from over heating, the motor may be suspended if the
engine is turned on and off re peatedly 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 th e vehicle inspected by your Lexus dealer,
immediately. ■
If the electronic key battery is depleted
→ P. 503 ■
If the smart access system with push-button start has been deactivated in a customized
setting
→ P. 546A message will be displayed on the multi-infor-
mation display.
Check that the shift lever is set in P. Press the
engine switch while turn ing 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 resu lting 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, re sulting in death or serious injury.■
Stopping the engine in an emergency ●
If you want to stop the engine in an em ergency while driving th e vehicle, press and
hold the engine switch for more than 2 seco nds, or press it briefly 3 times or more in
succession. ( → P. 511)
However, do not touch the engine switch wh ile driving except in an emergency. Turn-
ing the engine off while drivin g 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 turn ed off while driving, shift the shift lever to
N and press the engine switch.

LX570_OM_OM60Q78U_(U) 2094-2. Driving procedures
4
Driving NOTICE ■
To prevent battery discharge ●
Do not leave the engine switch in AC CESSORY or IGNITION ON mode for long
periods of time without the engine running. ●
If “ACCESSORY” or “IGNITION ON” is disp layed on the multi-information display,
the engine switch is not off. When exitin g 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 no t 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 malfun ction with the engine switch
If the engine switch seems to be operating somewhat differen tly than usual, such as the
switch sticking slightly, ther e may be a malfunction. Contact your Lexus dealer immedi-
ately.

LX570_OM_OM60Q78U_(U) 2154-2. Driving procedures
4
Driving ■
If the shift lever cannot be shifted from P
First, check whether the brak e pedal is being depressed.
If the shift lever cannot be shifted with your foot on the brake pedal, there may be a prob-
lem with the shift lock system. Have the vehicle inspected by your Lexus dealer, immedi-
ately.
The following steps may be used as an emergency measure to ensure that the shift lever
can be shifted.
Releasing the shift lock:
Set the parking brake.
Turn the engine switch off.
Depress the brake pedal.
■
If the “S” indicator does not come on ev en after shifting the shift lever to S
This may indicate a malfunction in the automatic transmission system. Have the vehicle
inspected by your Lexus dealer immediately.
(In this situation, the transmission will operat e in the same manner as when the shift lever
is in D.) ■
Downshift restriction warning buzzer
To help ensure safety and driving performance, downshifti ng operation may sometimes
be restricted. In some circum stances, downshifting may not be possible even when the
shift lever is operated. (A buzzer will sound twice.) Pry the cover up with a flathead screwdriver
or equivalent tool.
To prevent damage to the cover, cover the tip
of the screwdriver with a rag.
Press the shift lock override button.
The shift lever can be shifted while the button
is pressed. 1
2
3
4
5

217
LX570_OM_OM60Q78U_(U) 4-2. Driving procedures
4
Driving
Turn signal lever The turn signal lever can be used to show the following intentions of the driver:
Right turn
Lane change to the right (move the
lever partway and then release it) The right hand signals will flash 3 times.
Lane change to the left (move the
lever partway and then release it) The left hand signals will flash 3 times.
Left turn
■
Turn signals can be operated when
The engine switch is in IGNITION ON mode. ■
If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.■
If the turn signals stop flashing befo re a lane change has been performed
Operate the lever again. ■
To discontinue flashing of the turn signals during a lane change
Operate the lever in the opposite direction ■
Customization
The number of times the turn signals flas h during a lane change can be changed.
(Customizable features → P. 580)Operating instructions 1
2
3
4

LX570_OM_OM60Q78U_(U) 2374-3. Operating the lights and wipers
4
Driving ■
The rear window wiper and washer can be operated when
The engine switch is in IGNITION ON mode. ■
If no washer fluid sprays
Check that the washer nozzles ar e not blocked if there is washer fluid in the washer fluid
reservoir. ■
Dripping prevention wiper sweep
After washing and wiping operation several times, the wipers operate one more time
after a short delay to prevent dripping. ■
Effect of vehicle and shift position on wiper operation 
Type A
With or selected, the rear window wiper sweeps once when you shift the
shift lever to R while windshield wipers operating or with 17 seconds from their deactiva-
tion. 
Type B
With or selected, the rear window wiper sweeps once when you shift the
shift lever to R while windshield wipers operating or with 17 seconds from their deactiva-
tion. ■
Customization
Settings (e.g. drip prevention function) can be changed.
(Customizable features → P. 580)
NOTICE ■
When the rear window is dry
Do not use the wiper, as it may damage the rear window. ■
When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat.