ignition LEXUS LS500 2018 Owner's Manual

1473-5. Opening, closing the windows and moon roof
LS500_OM_OM50F54U_(U) 3
Before driving 5 Check that the panoramic moon roof
and electronic front roof sunshade are
fully closed and release the switch. *
: If the switch is released at the incorrect
time, the procedure will have to be per-
formed again from the beginning.
If, after performing the above procedures
correctly, the panoramic moon roof and
electronic front roof sunshade still does not
open or close normally or the automatic
opening function does not operate, have
the vehicle inspected by your Lexus dealer. ■
If the electronic rear roof sunshade
does not move normally
If the electronic rear roof sunshade does
not open or close normally or the automatic
opening function does not operate, per-
form the following initialization procedure.
1 Stop the vehicle.
2 Turn the engine switch to IGNITION
ON mode.
3 Open the rear roof sunshade.
4 Press and hold the rear roof sunshade
switch. *
Continue pressing th e switch for approxi-
mately 10 seconds after the electronic rear
roof sunshade closes. The electronic rear
roof sunshade will be gin operating again
and stop at the fully closed position.
5 Check that the electronic rear roof sun-
shade are fully closed and release the
switch. *
: If the switch is released at the incorrect
time, the procedure will have to be per-
formed again from the beginning.
If, after performing the above procedures
correctly, the electronic rear roof sunshade
still does not open or close normally or the
automatic opening function does not oper-
ate, have the vehicle inspected by your
Lexus dealer.
■
Panoramic moon roof open warning
buzzer
A buzzer sounds and a message is shown
on the multi-information display in the
instrument cluster when the engine switch
is turned off and the driver’s door is opened
with the panoramic moon roof open. ■
Customization
Some functions can be customized.
( → P.468)
WARNING
Observe the following precautions.
Failing to do so may cause death or seri-
ous injury. ■
Opening and closing the electronic
roof sunshade ●
Check to make sure that all passen-
gers do not have any part of their body
in a position where it could be caught
when the electronic sunshade is being
operated. ●
Do not let a child operate the elec-
tronic sunshade. Closing the elec-
tronic roof sunshade on someone can
cause death or serious injury.
■
Opening the panoramic moon roof
●
Do not allow any passengers to put
their hands or heads outside the vehi-
cle while it is moving.
●
Do not sit on top of the panoramic
moon roof.

149
LS500_OM_OM50F54U_(U) 4 4
Driving Driving .
4-1. Before driving
Driving the vehicle ..................... 150
Cargo and luggage ................... 156
Vehicle load limits ...................... 158
Trailer towing ............................... 159
Dinghy towing ............................. 159
4-2. Driving procedures
Engine (ignition) switch ........... 160
Automatic transmission........... 163
Turn signal lever.......................... 169
Parking brake .............................. 170
Brake Hold.................................... 173
4-3. Operating the lights and wipers
Headlight switch ......................... 175
AHB (Automatic High Beam)
......................................................... 178
Windshield wipers and washer
......................................................... 180
4-4. Refueling
Opening the fuel tank cap...... 185
4-5. Using the driving support sys-
tems
Lexus Safety System+A........... 187
Lexus Safety System+ .............. 194
PCS (Pre-Collision System) (vehi-
cles with Lexus Safety Sys-
tem+A) ....................................... 200
PCS (Pre-Collision System) (vehi-
cles with Lexus Safety System+)
......................................................... 210 FCTA (Front Cross Traffic Alert)
........................................................ 218
LTA (Lane Tracing Assist) ...... 221
LKA (Lane-Keeping Assist)
........................................................ 231
RSA (Road Sign Assist).......... 238
Dynamic radar cruise control with
full-speed range........................ 241
BSM (Blind Spot Monitor) ..... 251
PKSA (Parking Support Alert)
....................................................... 256
Intuitive parking assist ............. 257
RCTA (Rear cross traffic alert)
function....................................... 264
RCD (Rear Camera Detection)
function....................................... 268
PKSB (Parking Support Brake)
......................................................... 271
Parking Support Brake function
(static objects) ......................... 277
Parking Support Brake function
(rear-crossing vehicles) ...... 282
Parking Support Brake function
(rear pedestrians) .................. 286
Driving mode select switch .. 289
Electronically modulated air sus-
pension ........................................ 291
Driving assist systems.............. 294
4-6. Driving tips
Winter driving tips .................... 299

160 4-2. Driving procedures
LS500_OM_OM50F54U_(U) 4-2.Driving procedures
1 Press the parking brake switch to
check that the parking brake is set.
( → P.170)The parking brake indicator will come on.
2 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.
3 Press the engine switch shortly and
firmly.When operating the engine switch, one
short, firm press is enough. It is not neces-
sary 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. ■
Engine switch illumination
According to the situation, the engine
switch illumination operates as follows. ●
When a door is opened, or the engine
switch mode is changed from ACCES-
SORY or IGNITION ON mode to off,
the engine switch illumination slowly
blinks. ●
When depressing the brake pedal with
carrying the electronic key on your per-
son, the engine switch illumination rapidly
blinks. ●
When the engine sw itch is in ACCES-
SORY or IGNITION ON mode, the
engine switch illumination illuminates. ■
If the engine does not start ●
The engine immobilizer system may not
have been deactivated. ( → P.58)
Contact your Lexus dealer. ●
If a message related to start-up is shown
on the multi-information display, read the
message and follow the instructions. ■
If the battery is discharged
The engine cannot be started using the
smart access system with push-button start.
Refer to P.438 to restart the engine. ■
Electronic key battery depletion
→ P.92 ■
Conditions affecting operation
→ P.108 ■
Notes for the entry function
→ P.109
■
Steering lock function
●
After turning the engine switch off and
opening and closing the doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the engine
switch again automatically cancels the
steering lock.
●
When the steering lock cannot be
released, “Push Engine Switch While
Turning Steering Whee l in Either Direc-
tion” will be displayed on the multi-infor-
mation display.
Press the engine switch shortly and firmly Engine (ignition) switch Performing the following opera-
tions when carryin g the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

162 4-2. Driving procedures
LS500_OM_OM50F54U_(U) ■
Automatic P position selection function
→ P.166
Modes can be changed by pressing
the engine switch with the brake pedal
released. (The mode changes each
time the switch is pressed.) 1 Off The emergency flashers can be used.
2 ACCESSORY mode Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
meter.
3 IGNITION ON mode All electrical components can be used.
“IGNITION ON” will be displayed on the
meter.
■
Auto power off function
If the vehicle is left in ACCESSORY mode
for more than 20 minutes or IGNITION
ON mode (with the engine not running) for
more than an hour with the shift position in
P, the engine switch will automatically turn
off. However, this function cannot entirely
prevent the battery discharge. Do not leave
the vehicle with the engine switch in
ACCESSORY or IGNITION ON mode
for long periods of time when the engine is
not running.WARNING■
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.
( → P.410)
However, do not touch the engine
switch while driving except in an emer-
gency. Turning the engine off while
driving will not cause loss of steering
or braking control, however, power
assist to the steering will be lost. This
will make it more difficult to steer
smoothly, 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 mes-
sage will be shown on the multi-infor-
mation display and a buzzer sounds.●
When restarting the engine after an
emergency shutdown, press the
engine switch.
Changing engine switch modes

1634-2. Driving procedures
LS500_OM_OM50F54U_(U) 4
Driving ■
When the shift control system malfunc-
tions
When attempting to turn the engine switch
off while there is a malfunction in the shift
control system, the engine switch mode
may change to ACCESSORY mode. In this
case, ACCESSORY mode may be turned
off by applying the parking brake and press-
ing the engine switch again. If there is a mal-
function in the system, have the vehicle
inspected by your Lexus dealer immedi-
ately.
*1
: To improve fuel efficiency and reduce
noise, set the shift position in D for nor-
mal driving. You can choose gear range
suitable for your driving situation by
operating the paddle shift switches. *2
: Any gear range can be fixed when driv-
ing in M mode.
■
For the shift positions ●
When the engine switch is off or in
ACCESSORY mode, the shift position
cannot be changed.
●
When the engine swit ch is in IGNITION
ON mode, the shift position can only be
changed to N.
●
When the engine is running, the shift
position can be changed from P to D, N
or R.
●
The shift position can only be changed to
M directly from D.
In addition, if an attempt is made to change NOTICE■
To prevent battery discharge●
Do not leave the engine switch in
ACCESSORY or IGNITION ON
mode for long period s of time without
the engine running.●
If “ACCESSORY” or “IGNITION
ON” is displayed on the meter, the
engine switch is not off.
Exit the vehicle after turning the
engine switch off. Automatic transmission Select the shift position depending
on your purpose and situation.
Shift position purpose and func-
tions Shift posi-
tion Objective or function
P Parking the vehicle/starting
the engine
R Reversing
N Neutral
(Condition in which the
power is not transmitted)
D
Normal driving *1
M
M mode driving *2
( → P.168)

166 4-2. Driving procedures
LS500_OM_OM50F54U_(U) The current shift position is illuminated.
When selecting the shift position, make
sure that the shift position has been
changed to the desired position by check-
ing the shift position indicator provided on
the instrument cluster.
P position switch
■
When shifting the shift position to P
Fully stop the vehicle and set the park-
ing brake, and then press the P position
switch. When the shift position is changed to P, the
switch illuminates.
Check that the shift position indicator
shows P. ■
Shifting the shift position from P to
other positions
 While depressing the brake pedal
firmly, operate the shift lever. If the
shift lever is operated without
depressing the brake pedal, the
buzzer will sound and the shifting
operation will be disabled.
 When selecting the shift position,
make sure that the shift position has
been changed to the desired posi-
tion by checking the shift position
indicator provided on the instru-
ment cluster.
 The shift position cannot be
changed from P to M directly. ■
Automatic P position selection function
In the following situations, the shift position
is automatically changed to P. ●
When pressing the engine switch with the
vehicle stopped while th e engine switch is
in IGNITION ON mode and the shift
position is in a position other than P (after
the shift position has changed to P, the
engine switch will turn off) *
●
When the vehicle is stopped after the
engine has been stopped in an emer-
gency while driving ●
When voltage of the battery drops while
the shift position is in a position other than
P *
: When the engine switch is pressed while
driving at extremely slow speeds, such
as immediately before stopping the vehi-
cle, the shift position may automatically
change to P. Make su re that the vehicle
is completely stopped before pressing
the engine switch.
■
If the shift position cannot be shifted
from P
There is a possibility th at the battery is dis-WARNING■
For the shift lever●
Do not remove the sh ift lever knob or
use anything but a genuine Lexus shift
lever knob. Also, do not hang anything
on the shift lever.
Doing so could prevent the shift lever
from returning to position, causing
unexpected accidents to occur when
the vehicle is in motion.●
In order to prevent the shift position
from accidentally being changed, do
not touch the shift lever when not using
them.
P position switch C

1694-2. Driving procedures
LS500_OM_OM50F54U_(U) 4
Driving  When vehicle speed drops (down-
shift only).
 When it is necessary to protect the
engine or automatic transmission
when the engine coolant tempera-
ture is low, the automatic transmis-
sion fluid temperature is high or low,
or other reasons.
Also, the gear will not shift when the
vehicle speed is low, even if an upshift
operation is performed. ■
Downshifting restriction warning
buzzer
To help ensure safety and driving perfor-
mance, downshifting operation may some-
times be restricted. In some circumstances,
downshifting may not be possible even
when the paddle shift switch is operated. (A
buzzer will sound twice.)
1 Right turn
2 Lane change to the right (move the
lever partway and release it) The right hand signals will flash 3 times.
3 Lane change to the left (move the
lever partway and release it) The left hand signals will flash 3 times.
4 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 before a
lane change has been performed
Operate the lever again.Turn signal lever
Operating instructions

172 4-2. Driving procedures
LS500_OM_OM50F54U_(U) this happens, refrain from operating the
parking brake. Normal operation will return
after about 1 minute. ■
If “EPB Activation Stopped Incom-
pletely” or “EPB unavailable” is dis-
played on the multi-information display
Operate the parking brake switch. If the
message does not disappear after operat-
ing the switch several times, the system may
be malfunctioning. Have the vehicle
inspected by your Lexus dealer. ■
Parking brake operation sound
When the parking brake operates, a motor
sound (whirring sound) may be heard. This
does not indicate a malfunction. ■
Parking brake operation●
Depending on the engine switch mode,
the parking brake indi cator light will turn
on and stay on as described below:
IGNITION ON mode: Comes on until
the parking brake is released.
Not in IGNITION ON mode: Stays on
for approximately 15 seconds. ●
When the engine switch is turned off with
the parking brake set, the parking brake
indicator light will stay on for about 15
seconds. This does not indicate a mal-
function.■
When the parking brake switch mal-
functions
Automatic mode (automatic brake setting
and releasing) will be turned on automati-
cally. ■
Parking the vehicle
→ P.150
■
Parking brake engaged warning buzzer
A buzzer will sound if the vehicle is driven
with the parking brake engaged. “EPB
Applied” is displayed on the multi-informa-
tion display. (with the vehicle reached a
speed of 3 mph [5 km/h])
■
If the brake system warning light comes
on
→ P.418
■
Usage in winter time
→ P.299 WARNING■
When parking the vehicle
Do not leave a child in the vehicle alone.
The parking brake may be released unin-
tentionally and there is the danger of the
vehicle moving that may lead to an acci-
dent resulting in death or serious injury.
NOTICE■
When parking the vehicle
Before you leave the vehicle, set the
parking brake, shift the shift position to P
and make sure that the vehicle does not
move. ■
When the system malfunctions
Stop the vehicle in a safe place and
check the warning messages. ■
When the parking brake cannot be
released due to a malfunction
Driving the vehicle with the parking
brake set will lead to brake components
overheating, which may affect braking
performance and increase brake wear.
Have the vehicle inspected by your
Lexus dealer immediately if this occurs.

1754-3. Operating the lights and wipers
LS500_OM_OM50F54U_(U) 4
Driving 4-3.Operating the lights and wipers
Turning the end of the lever turns on
the lights as follows:
U.S.A.
Canada
1 The side marker, parking, tail,
license plate, instrument panel
lights, and daytime running lights
( → P.175) turn on.
2 The headlights and all lights
listed above (except daytime run-
ning lights) turn on.
3 The headlights, daytime run-
ning lights ( → P.175) and all the lights listed above turn on and off
automatically.
4 (U.S.A.) Off
(Canada) The daytime run-
ning lights turn on. ( → P.175)■
AUTO mode can be used when
The engine switch is in IGNITION ON
mode. ■
Daytime running light system ●
The daytime running lights illuminate
using the same lights as the parking lights
and illuminate brighter than the parking
lights. ●
To make your vehicle more visible to
other drivers during daytime driving, the
daytime running lights turn on automati-
cally when all of the following conditions
are met. (The daytime running lights are
not designed for use at night.)
• The engine is running
• The parking brake is released
• The headlight switch is in the (Can-
ada only), or *
position*
: When the surroundings are bright
The daytime running lights remain on after
they illuminate, even if the parking brake is
set again. ●
For the U.S.A.: Daytime running lights
can be turned off by operating the switch. ●
Compared to turning on the headlights,
the daytime running light system offers
greater durability and consumes less
electricity, so it can help improve fuel
economy.
■
Headlight control sensorHeadlight switch The headlights can be operated
manually or automatically.
Operating instructions
A
B

176 4-3. Operating the lights and wipers
LS500_OM_OM50F54U_(U) The sensor may not function properly if an
object is placed on th e sensor, or anything
that blocks the sensor is affixed to the wind-
shield.
Doing so interferes with the sensor detect-
ing the level of ambient light and may cause
the automatic headlight system to malfunc-
tion. ■
Automatic light off system●
When the headlights are on: The head-
lights and tail lights tu rn off 30 seconds
after the driver’s door is opened and
closed if the engine switch is turned to
ACCESSORY mode or turned off. (The
lights turn off immediately if on the
key is pressed after all the doors are
closed.)●
When only the tail lights are on: The tail
lights turn off automatically if the engine
switch is turned to ACCESSORY mode
or turned off and the driver’s door is
opened.
To turn the lights on again, turn the engine
switch to IGNITION ON mode, or turn the
light switch off once and then back to
or . ■
Light reminder buzzer
A buzzer sounds when the engine switch is
turned off or turned to ACCESSORY
mode and the driver’s door is opened while
the lights are turned on. ■
Automatic headlight leveling system
The level of the headlights is automatically
adjusted according to the number of pas-
sengers and the loading condition of the
vehicle to ensure that the headlights do not
interfere with other road users.
■
Windshield wiper linked headlight illu-
mination
When driving during daytime with the
headlight switch turned to , if the wind-
shield wipers are used, the headlights will
turn on automatically after several seconds
to help enhance the visibility of your vehicle.
■
Battery-saving function
In order to prevent the battery of the vehicle from discharging, if the headlights and/or
tail lights are on when the engine switch is
turned off the battery saving function will
operate and automatically turn off all the
lights after approximately 20 minutes.
When the engine switch is turned to IGNI-
TION ON mode, the battery-saving func-
tion will be disabled.
When any of the following are performed,
the battery-saving function is canceled
once and then reactivated. All the lights will
turn off automatically 20 minutes after the
Battery- saving function has been reacti-
vated: ●
When the headlight switch is operated●
When a door is opened or closed ■
Welcome light illumination control
The front position and tail lights automati-
cally turn on at night when the doors are
unlocked using the entr y function or wire-
less remote control if the light switch is in
the position. ■
Customization
Some functions can be customized.
( → P.468)
1 With the headlights on, push the NOTICE■
To prevent battery discharge
Do not leave the lights on longer than
necessary when the engine is not run-
ning.
Turning on the high beam head-
lights