2018 LEXUS LS500 ignition

1413-5. Opening, closing the windows and moon roof
LS500_OM_OM50F54U_(U) 3
Before driving
This function can be used to prevent
children from accidentally opening or
closing a passenger window.
Press the switch. The indicator will come on and the pas-
senger windows will be locked.
The passenger wind ows can still be
opened and closed using the driver’s
switch even if the lock switch is on.
■
The power windows can be operated
when
The engine switch is in IGNITION ON
mode. ■
When the battery is disconnected
The window lock switch is disabled. If nec-
essary, press the window lock switch after
reconnecting the battery.WARNING●
The jam protection function may not
work if something gets jammed just
before the window is fully closed. Be
careful not to get any part of your body
jammed in the window.■
Catch protection function●
Never use any part of your body or
clothing to intentio nally activate the
catch protection function.●
The catch protection function may not
work if something gets caught just
before the window is fully opened. Be
careful not to get any part of your body
or closing caught in the window.
Preventing accidental operation
(window lock switch)
A

142 3-5. Opening, closing the windows and moon roof
LS500_OM_OM50F54U_(U) *
:If equipped
■
Opening and closing
1 Opens the moon roof *
The moon roof tilts up and then fully opens.
2 Closes the moon roof **
: Lightly press either side of the moon roof
switch to stop the moon roof partway.■
Tilting up and down
1 Tilts the moon roof up *
2 Tilts the moon roof down *
*
: Lightly press either side of the moon roof
switch to stop the moon roof partway. ■
The moon roof can be operated when
The engine switch is in IGNITION ON
mode. ■
Operating the moon roof after turning
the engine off
The moon roof can be operated for approx-
imately 45 seconds after the engine switch
is turned to ACCESSORY mode or turned
off. It cannot, howeve r, be operated once
either front door is opened. ■
Jam protection function
If an object is dete cted between the moon
roof and the frame while the moon roof is
closing or tilting down, travel is stopped and
the moon roof opens slightly. ■
Sunshade
The sunshade can be opened and closed
manually. However, the sunshade will open
automatically when the moon roof is
opened. ■
Door lock linked moon roof operation ●
The moon roof can be opened and
closed using the mechanical key. *

( → P.437)●
The moon roof can be opened using the
wireless remote control. *
( → P.96)*
: These settings must be customized at
your Lexus dealer.
■
When the moon roof does not close nor-
mally
Perform the following procedure:
1 Stop the vehicle.
2 Press and hold th e “CLOSE” switch. *
The moon roof will close, reopen and pause
for approximately 10 seconds. Then it will
close again and stop at the completely
closed position.
3 Check to make sure that the moon roof
is completely closed and then 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 the moon roof does not fully close even Moon roof *
Use the overhead switches to open
and close the moon roof and tilt it
up and down.
Operating the moon roof

1453-5. Opening, closing the windows and moon roof
LS500_OM_OM50F54U_(U) 3
Before driving Press the switch ag ain will operate the
electronic rear roof sunshade in the oppo-
site direction.

Rear Multi Operation Panel
1 Display the Home screen
( → P.308) and then touch
“Shade/Lamp”.
2 Touch the button for the desired
operation.
Closes the electronic rear roof sun-
shade
Opens the electronic rear roof sun-
shadeIf a button is touched while the electronic
rear roof sunshade is opening/closing, the
opening/closing operation will stop.
■
Tilting the panoramic moon roof up
and down
Press the tilt switch. When the panoramic moon roof is tilted
up, the electronic front roof sunshade will
open. The panoramic moon roof can be tilted
down only when it is in the tilt-up position.
Lightly press the switch while the pan-
oramic moon roof is operating will stop the
operation.
■
Opening and closing the pan-
oramic moon roof
1 Opens the panoramic moon roof *
When the panoramic moon roof is opened,
the electronic front roof sunshade will
open.
The panoramic moon roof can be opened
from the tilt-up position.
2 Closes the panoramic moon roof **
: Lightly press either side of the pan-
oramic moon roof switch to stop the
panoramic moon roof partway.
■
The panoramic moon roof can be oper-
ated when
The engine switch is in IGNITION ON
mode.A
B

146 3-5. Opening, closing the windows and moon roof
LS500_OM_OM50F54U_(U) ■
Operating the panoramic moon roof
after turning the engine off
The panoramic moon roof and electronic
roof sunshade can be operated for approxi-
mately 45 seconds afte r the engine switch
is turned to ACCESSORY mode or turned
off. It cannot, however, be operated once
the driver’s door is opened. ■
Jam protection function
If an object is detected between the pan-
oramic moon roof and the frame in the fol-
lowing situations, travel is stopped and the
panoramic moon roof opens slightly: ●
The panoramic moon roof is closing or
tilting down.●
The electronic roof sunshade is closing.■
Door lock linked panoramic moon roof
operation●
The panoramic moon roof can be
opened and closed using the mechanical
key. *
( → P.437)●
The panoramic moon roof can be
opened using the wireless remote con-
trol. *
( → P.96)*
: These settings must be customized at
your Lexus dealer.■
When the panoramic moon roof or elec-
tronic front roof sunshade does not
close normally
Perform the following procedure:
1 Stop the vehicle.
2 Turn the engine switch to IGNITION
ON mode.
3 Press and hold the “CLOSE” switch or
the front roof sunshade close switch.
Continue pressing the switch for
approximately 10 seconds after the
panoramic moon roof or electronic
front roof sunshade closes and reopens.
The panoramic moon roof and elec-
tronic front roof sunshade will start to
close. *
4 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 the panoramic moon roof or electronic
front roof sunshade does not fully close
even after performing the above procedure
correctly, have the vehicle inspected by
your Lexus dealer. ■
When the electronic rear roof sunshade
does not close normally
Perform the following procedure:
1 Stop the vehicle.
2 Turn the engine switch to IGNITION
ON mode.
3 Press and hold the rear roof sunshade
switch. Continue pressing the switch for
approximately 10 seconds after the
electronic rear roof sunshade closes
and reopens. The elec tronic rear roof
sunshade will start to close. *
4 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 the panoramic moon roof or electronic
front roof sunshade does not fully close
even after performing the above procedure
correctly, have the vehicle inspected by
your Lexus dealer. ■
If the panoramic moon roof or elec-
tronic front roof sunshade does not
move normally
If the panoramic moon roof or electronic
front roof sunshade does not open or close
normally or the automatic opening function
does not operate, perform the following ini-
tialization procedure.
1 Stop the vehicle.
2 Turn the engine switch to IGNITION
ON mode.
3 Fully close the panoramic moon roof
and electronic front roof sunshade.
4 Press and hold th e “CLOSE” switch. *
The electronic front roof sunshade will open
after approximately 10 seconds. Then the
panoramic moon roof will open, close, tilt
up and tilt down. After that, the electronic
front roof sunshade will fully close and stop.

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