Page 174 of 956

1742-1. Driving procedures
LX570_OM_OM60L21U_(U) NOTICE■
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 press the brak e pedal to slow down the vehicle.●
It may be difficult to control your vehicle. ●
The vehicle will make abnormal sounds. ●
The vehicle will behave abnormally.
Replace a flat tire with a new one. ( P. 8 5 4 )■
When encountering flooded roads
Do not drive on a road that has flooded after 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 an d 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.
Page 177 of 956

1772-1. Driving procedures
2
When driving
LX570_OM_OM60L21U_(U) ■
Operation of the “ENGINE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to press
and hold the switch. ■
When the steering lock cannot be released
■
If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 117)
Contact your Lexus dealer. ■
When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately. ■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes with the shift
lever in P, the “ENGINE START STOP” switch will automatically turn off. However,
this function cannot entirely prevent ba ttery discharge. Do not leave the vehicle
with the “ENGINE START STOP” switch in ACCESSORY mode for long periods
of time when the engine is not running. ■
Electronic key battery depletion
P. 4 1■
When the electronic key battery is discharged
P. 8 6 7■
Conditions affecting operation
P. 3 9 The green indicator light on the “ENGINE
START STOP” switch will flash and a mes-
sage will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.
Page 178 of 956

1782-1. Driving procedures
LX570_OM_OM60L21U_(U) ■
Note for the entry function
P. 4 2
CAUTION■
When starting the engine
Always start the engine while sitting in th e driver’s seat. Do not depress the acceler-
ator while starting the engine under any circumstances.
Doing so may cause an accident resu lting in death or serious injury.■
Stopping the engine in an emergency
If you want to stop the engine in an em ergency while driving the vehicle, press and
hold the “ENGINE START STOP” switch fo r more than 2 seconds, or press it
briefly 3 times or more in succession. ( P. 8 7 8 )
However, do not touch the “ENGINE START STOP” switch while driving except in
an emergency. Turning the engine off while driving will not cause loss of steering or
braking control, but the power assist to thes e 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.
NOTICE■
To prevent battery discharge
Do not leave the “ENGINE START STOP” switch in ACCESSORY or IGNITION
ON mode for long periods without the engine running.■
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 START STOP” switch
If the “ENGINE START STOP” seems to be operating somewhat differently than
usual, such as the switch sticking slightly, there may be a malfunction. Contact your
Lexus dealer immediately.
Page 208 of 956
2082-3. Operating the lights and wipers
LX570_OM_OM60L21U_(U) Turning on the high beam headlights
With the headlights on, push the
lever forward to turn on the high
beams. Vehicles with an Automatic High
Beam system: When the light
switch is in “AUTO” position, the
Automatic High Beam system will
be activated. ( P. 211)
Pull the lever back to the center
position to turn the high beams off.
Pull the lever toward you to turn
on the high beams. Release the lever to turn them off.
You can flash the high beams with
the headlights on or off.
AFS
AFS (Adaptive Front-lighting System) improves visibility at intersections
and on curves by automa tically adjusting the dire ction of the light axis of
the headlights according to vehicl e speed and the degree of the tire
angle that are controlled by steering input.
Operates at speeds of 6 mph (10 km/h) or higher
■ Deactivating AFS
On/off The indicator turns on when the
AFS is deactivated.
Page 247 of 956

2472-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(U) CAUTION■
When the radar sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles are in
front of you.
As the sensor may not be able to correctly detect these types of vehicles, the
approach warning ( P. 240) will not be activated, and a fatal or serious accident
may result: ●
Vehicles that cut in suddenly ●
Vehicles traveling at low speeds ●
Vehicles that are not moving ●
Vehicles with small rear ends (tra ilers with no load on board etc.)●
Motorcycles traveling in the same lane■
Conditions under which the vehicle-to-vehicle distance control may not function
correctly
Apply the brakes as necessary in the foll owing conditions as the radar sensor may
not be able to correctly detect vehicles ahead, and a fatal or serious accident may
result: ●
When water or snow thrown up by the surrounding vehicles hinders the function-
ing of the sensor ●
When your vehicle is pointing upwards (caused by a heavy load in the luggage
compartment, etc.) ●
When the road curves or when the lanes are narrow ●
When steering wheel operation or your position in the lane is unstable ●
When the vehicle ahead of you decelerates suddenly
Page 270 of 956
2702-4. Using other driving systems
LX570_OM_OM60L21U_(U) ■ Using the system when perpendicular parking
Use any of the following modes
when perpendicular parking (for
example, when parking in a
garage).
Each time you to uch the display
mode switch screen button, the
display mode switches in the fol-
lowing order:
Estimated course line display mode Parking assist guide line display
mode Distance guide line display mode Estimated course line dis-
play mode
Estimated course line display mode ( P. 273)
Estimated course lines are dis-
played which move in accordance
with the operation of the steering
wheel.
Page 271 of 956
2712-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(U) Parking assist guide line display mode ( P. 2 76 )
The steering wheel return points
(parking assist guide lines) are dis-
played.
Distance guide line display mode
Distance guide lines only are dis-
played.
Page 273 of 956
2732-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(U) Perpendicular parking (estimated course line display mode)
■ Screen description
Vehicle width extension guide line The line indicates a guide path when the vehicle is being backed straight up.
The displayed width is wider than the actual vehicle width.
The line aligns with the estimated course lines when the steering wheel is
straight.
Estimated course lines The lines show an estimated course when the steering wheel is turned.
Distance guide line The line moves, together with the esti mated course lines, in sync with the
steering wheel. The line shows points approximately 1.5 ft. (0.5 m) (red) and
approximately 3 ft. (1 m) (yellow) from the center of the edge of the bumper.
Distance guide line The line shows distance behind the vehicle, a point approximately 1.5 ft. (0.5
m) (blue) from the edge of the bumper.