2020 LEXUS LS500 ignition

1433-5. Opening, closing the windows and moon roof
3
Before driving
3-5.Opening, closing the windows and moon roof
The power windows can be opened
and closed using the switches.
Operating the switch moves the win-
dows as follows:
1Closing
2 One-touch closing
*
3Opening
4 One-touch opening
*
*: To stop the window partway, operate the
switch in the op posite direction.
■The power windows can be operated
when
The engine switch is in IGNITION ON
mode.
■When the driver’s power window switch
is used to open a rear power window
(vehicles with rear door sunshades)
If a rear door sunshade is extended or being
extended when the driver’s power window
switch is pushed, only the rear door sun-
shade will be retracted. To open the rear
power window from the driver’s seat, push
the driver’s power window switch again.
■Operating the power windows after
turning the engine off
The power windows can be operated for
approximately 45 seconds even after the engine switch is turned to ACCESSORY
mode or turned off. They cannot, however,
be operated once either front door is
opened.
■Jam protection function
If an object becomes jammed between the
window and the window frame while the
window is closing, window movement is
stopped and the window is opened slightly.
■Catch protection function
If an object becomes caught between the
door and window while the window is open-
ing, window movement is stopped.
■When the side window cannot be
opened or closed
When the jam protection function or catch
protection function operates unusually and
the side window cannot be opened or
closed, perform the following operations
with the power window switch of that door.
●Stop the vehicle. With the engine switch
in IGNITION ON mode, within 4 sec-
onds of the jam protection function or
catch protection function activating, con-
tinuously operate the power window
switch in the one-touch closing direction
or one-touch opening direction so that
the side window can be opened and
closed.
●If the side window cannot be opened and
closed even when performing the above
operations, perform the following proce-
dure for function initialization.
1 Turn the engine switch to IGNITION
ON mode.
2 Pull and hold the power window switch
in the one-touch closing direction and
completely close the side window.
3 Release the power window switch for a
moment, resume pulling the switch in
the one-touch closing direction, and
hold it there for approximately 6 sec-
onds or more.
4 Press and hold the power window
switch in the one-touch opening direc-
tion. After the side window is com-
pletely opened, continue holding the
switch for an additional 1 second or
more.
Power windows
Opening and closing the power
windows

1453-5. Opening, closing the windows and moon roof
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 windows 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 intentionally 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 clothing caught in the window.
Preventing accidental operation
(window lock switch)
A

1463-5. Opening, closing the windows and moon roof
*:If equipped
■Opening and closing
1 Opens the moon roof
*
The moon roof tilts up and then fully opens.
2Closes 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
*
2Tilts 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.438)
●The moon roof can be opened using the
wireless remote control.* ( P.100)*: 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.
3Check 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

1503-5. Opening, closing the windows and moon roof
■The panoramic moon roof can be oper-
ated when
The engine switch is in IGNITION ON
mode.
■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.438)
●The panoramic moon roof can be
opened using the wireless remote con-
trol.
*( P.100)
*: 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.
*
4Check 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.

1513-5. Opening, closing the windows and moon roof
3
Before driving
4Press and hold the “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.
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 the 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-informat ion 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.470)
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.

153
4
4
Driving
Driving
.4-1. Before drivingDriving the vehicle ..................... 154
Cargo and luggage .................... 161
Vehicle load limits ...................... 163
Trailer towing ............................... 163
Dinghy towing ............................. 164
4-2. Driving procedures Engine (ignition) switch ........... 165
Automatic transmission........... 169
Turn signal lever.......................... 175
Parking brake .............................. 176
Brake Hold.................................... 178
4-3. Operating the lights and wipers Headlight switch ......................... 180
AHB (Automatic High Beam) ......................................................... 183
Windshield wipers and washer ......................................................... 185
4-4. Refueling Opening the fuel tank cap...... 190
4-5. Using the driving support sys- tems
Lexus Safety System + A......... 192
Lexus Safety System + 2.0 ..... 199
PCS (Pre-Collision System) (vehi- cles with Lexus Safety System +
A) .................................................. 205
PCS (Pre-Collision System) (vehi- cles with Lexus Safety System +
2.0)................................................ 216FCTA (Front Cross Traffic Alert)
....................................................... 223
LTA (Lane Tracing Assist) .... 226
RSA (Road Sign Assist).......... 238
Dynamic radar cruise control with full-speed range........................ 241
BSM (Blind Spot Monitor) ..... 251
PKSA (Parking Support Alert) ....................................................... 257
Intuitive parking assist ............. 259
RCTA (Rear cross traffic alert) function....................................... 266
RCD (Rear Camera Detection) function....................................... 270
PKSB (Parking Support Brake) ....................................................... 273
Parking Support Brake function (static objects) ......................... 279
Parking Support Brake function (rear-crossing vehicles) ...... 285
Parking Support Brake function (rear pedestrians) .................. 289
Driving mode select switch .. 292
Electronically modulated air sus- pension ....................................... 294
Driving assist systems.............. 297
4-6. Driving tips Winter driving tips .................... 303

1654-2. Driving procedures
4
Driving
4-2.Driving procedures
1Press the parking brake switch to
check that the parking brake is set.
(P.176)
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.63)
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.439to restart the engine.
■Electronic key battery depletion
 P.96
■Conditions affecting operation
 P.113
■Notes for the entry function
 P.113
■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 carrying the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

1684-2. Driving procedures
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.
2ACCESSORY mode
Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
meter.
3IGNITION 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.
■When the shift control system malfunc-
tions
When attempting to turn the engine switch
off while there is a ma lfunction in the shift
control system, the engine switch mode
may change to ACCESSO RY 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.
WARNING
●Do not leave the engine running in an
area with snow build-up, or where it is
snowing. If snowbanks build up around
the vehicle while the engine is running,
exhaust gases may collect and enter
the vehicle.
Changing engine switch modes
NOTICE
■To prevent battery discharge
●Do not leave the engine switch in
ACCESSORY or IGNITION ON
mode for long periods 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.