2018 LEXUS LS500H stop start

114 3-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(U) ■
Trunk opener switch
Press the trunk opener switch. The trunk lid will fully open.WARNING●
On an incline, the trunk lid may sud-
denly shut after it opens automatically.
Make sure the trunk lid is fully open
and secure before using the trunk.●
In the following situations, the power
trunk opener and closer may detect an
abnormality and automatic operation
may be stopped. In this case, the trunk
lid has to be operated manually. Take
extra care in this situation, as the
stopped trunk lid ma y suddenly shut,
causing an accident.
• When the trunk lid contacts an obsta-
cle
• When the 12-volt battery voltage sud-
denly drops, such as when the power
switch is turned to ON mode or the
hybrid system is started during auto-
matic operation●
Do not attach any accessories other
than genuine Lexus parts to the trunk
lid. The power trunk opener and closer
may not operate, caus ing itself to mal-
function, or the trun k lid may suddenly
shut again after it is opened.■
Hands Free Power Trunk Lid (if
equipped)
Observe the following precautions.
Failure to do so may cause serious injury.
●
Exhaust gasses cause the exhaust
pipes to become quite hot. When
operating the Hands Free Power Trunk
Lid, be careful not to touch the exhaust
pipe.
●
Do not operate the Hands Free Power
Trunk Lid if there is little space under
the rear bumper.
■
Jam protection function
Observe the following precautions.
Failure to do so may cause serious injury.
●
Never use any part of your body to
intentionally activate the jam protec-
tion function. ●
The jam protection function may not
work if something gets caught just
before the trunk lid fully closes. Be
careful not to catch fingers or anything
else in the trunk lid. ●
The jam protection function may not
work depending on the shape of the
object that is caught. Be careful not to
catch fingers or anything else.
NOTICE■
To prevent trunk easy closer malfunc-
tions
Do not apply force to the trunk lid while
the trunk easy closer is operating. ■
To prevent damage to the power
trunk opener and closer ●
Make sure that there is no luggage or
snow on the trunk lid before operating
the power trunk opener and closer. In
addition, make sure that there is no ice
between the trunk lid and frame that
prevents movement of the trunk lid.
Operating the power trunk opener
and closer when excessive load is
present on the trunk lid may cause a
malfunction. ●
Do not apply excessive force to the
trunk lid while the power trunk opener
and closer is operating.
Opening/closing the trunk

1153-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(U) 3
Before driving ■
Smart access system with
push-button start
While carrying the electronic key,
press the button. The trunk lid will fully open.
If the button is presse d while the trunk lid is
opening, the trunk lid will stop moving.
When all the doors are unlocked using
one of the following methods, the trunk
can be opened without the electronic
key:
 Entry function
 Wireless remote control
 Door lock switches
 Automatic door unlocking system
 Mechanical key
■
Wireless remote control
Press and hold the switch. A buzzer will sound and the trunk lid will
fully open. If the button is presse d while the trunk lid is
opening, the trunk lid will stop moving.
■
Hands Free Power Trunk Lid (if
equipped)
1 While carrying an electronic key,
stand slightly away from the vehicle,
move a foot under the center of the
rear bumper and then pull it back. The trunk lid will not start operating while a
foot is detected under the rear bumper.
If another electronic key for your vehicle is
in the vehicle, it may take slightly longer
than normal for the trunk lid to start oper-
ating.
2 A buzzer will sound and the trunk
lid will fully open/close. If a foot is moved under the rear bumper
while the trunk lid is opening, the trunk lid
will stop moving.
If a foot is moved under the rear bumper
while the trunk lid is closing, the trunk lid
will open.
■
Trunk closer switch
Press the trunk closer switch.

120 3-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(U) ●
When an interior alarm sounds continu-
ously
■
If “Key Detected in Vehicle” is shown on
the multi-inform ation display
An attempt was made to lock the doors
using the smart access system with push-
button start while the electronic key was still
inside the vehicle. Retrieve the electronic
key from the vehicle and lock the doors
again.
■
Battery-saving function
The battery-saving fu nction will be acti-
vated in order to prevent the electronic key
battery and the 12-volt battery from being
discharged while the vehicle is not in opera-
tion for a long time.
●
In the following situations, the smart
access system with pu sh-button start may take some time to unlock the doors.
• The electronic key has been left in an
area of approximately 6 ft. (2 m) of the
outside of the vehicle for 10 minutes or
longer.
• The smart access system with push-but-
ton start has not been used for 5 days or
longer. ●
If the smart access system with push-but-
ton start has not been used for 14 days or
longer, the doors cann ot be unlocked at
any doors except the dr iver’s door. In this
case, take hold of th e driver’s door han-
dle, or use the wireless remote control or
the mechanical key, to unlock the doors. ■
Turning an electronic key to bat-
tery-saving mode
When battery-saving mode is set, battery
depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
Press twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the
smart access system with push-button start
cannot be used. To cancel the function,
press any of the electronic key buttons.
■
Conditions affecting operation
The smart access system with push-button
start uses weak radio waves. In the following
situations, the communication between the
electronic key and the vehicle may be
affected, preventing the smart access sys-
tem with push-button start, wireless remote
control and immobilizer system from oper-
ating properly. (Ways of coping: → P.445)
●
When the electronic key battery is
depleted
●
Near a TV tower, electric power plant,
gas station, radio stat ion, large display, Situation Correction
procedure
An attempt was made to
lock the vehicle while a
door was open. Close all of the
doors and lock
the doors
again.
The trunk was closed
while the electronic key
was still inside the trunk
and all the doors were
locked. Retrieve the
electronic key
from the trunk
and close the
trunk lid.
Situation Correction
procedure
The power switch was
turned to ACCESSORY
mode while the driver’s
door was open (The
driver’s door was opened
when the power switch
was in ACCESSORY
mode). Turn the power
switch off and
close the
driver’s door.
The power switch was
turned off while the
driver’s door was open. Close the
driver’s door.

122 3-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(U) • Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( → P.120)●
If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a message may be shown on
the multi-information display and a
buzzer will sound outside the vehicle. To
turn off the alarm, lock all the doors.●
The lock sensor may not work properly if
it comes into contact with ice, snow, mud,
etc. Clean the lock sensor and attempt to
operate it again.●
A sudden approach to the effective
range or door handle may prevent the
doors from being unlocked. In this case,
return the door handle to the original
position and check that the doors unlock
before pulling the door handle again.●
If there is another electronic key in the
detection area, it may take slightly longer
to unlock the doors after the door handle
is gripped.■
When the vehicle is not driven for
extended periods●
To prevent theft of the vehicle, do not
leave the electronic key within 6 ft. (2 m)
of the vehicle.●
The smart access syst em with push-but-
ton start can be deactivated in advance.●
Setting the electronic key to battery-sav-
ing mode helps to reduce key battery
depletion. ( → P.120)■
To operate the system properly●
Make sure to carry the electronic key
when operating the system. Do not get
the electronic key too close to the vehicle
when operating the system from the out-
side of the vehicle.
Depending on the position and holding
condition of the electronic key, the key may
not be detected correctly and the system
may not operate properly. (The alarm may
go off accidentally, or the door lock pre-
vention function may not operate.)
●
Do not leave the electronic key inside the
trunk.
The key confinement prevention function may not operate, depending on the loca-
tion of the key (the inside edge of the
Trunk), conditions (i nside a metal bag,
close to metallic objects) and the radio
waves in the surrounding area. ( → P.116)■
If the smart access system with
push-button start does not operate
properly ●
Locking and unloc king the doors and
trunk: → P.445●
Starting the hybrid system: → P.446■
Customization
Some functions can be customized.
( → P.481) ■
If the smart access system with
push-button start has been deactivated
in a customized setting ●
Locking and unloc king the doors and
opening the trunk:
Use the wireless remote control or
mechanical key. ( → P.108, 115, 445)●
Starting the hybrid system and changing
power switch modes: → P.446●
Stopping the hybrid system: → P.170

158 4-1. Before driving
LS500h_OM_OM50F42U_(U) 4-1.Before driving
■
Starting the hybrid system
→ P.168 ■
Driving
1 With the brake pedal depressed,
shift the shift position to D. ( → P.174)Check that the shift position indicator
shows D.
2 If the parking brake is in manual
mode, release the parking brake.
( → P.181)
3 Gradually release the brake pedal
and gently depress the accelerator
pedal to accelerate the vehicle. ■
Stopping
1 With the shift position in D, depress
the brake pedal.
2 If necessary, set the parking brake.If the vehicle is to be stopped for an
extended period of time, shift the shift posi-
tion to P. ( → P.176)
■
Parking the vehicle
1 With the shift position in D, depress
the brake pedal to stop the vehicle
completely.
2 If the parking brake is in manual
mode, set the parking brake.
( → P.181)
3 Shift the shift position to P. ( → P.176)
4 Press the power switch to stop the
hybrid system. 5 Slowly release the brake pedal.
6 Lock the door, making sure that you
have the electronic key on your
person. If parking on a hill, block the wheels as
needed. ■
Starting off on a steep uphill
1 Make sure that the parking brake is
set and shift the shift position to D. Hill-start assist control will operate.
( → P.303)
2 Gently depress the accelerator
pedal.
3 Release the parking brake. ■
For fuel-efficient driving
Keep in mind that hybr id vehicles are similar
to conventional vehicles, and it is necessary
to refrain from activi ties such as sudden
acceleration. ( → P.307)■
Driving in the rain ●
Drive carefully when it is raining, because
visibility will be reduced, the windows
may become fogged-up, and the road
will be slippery. ●
Drive carefully when it starts to rain,
because the road surface will be espe-
cially slippery. ●
Refrain from high speeds when driving on
an expressway in the rain, because there
may be a layer of wa ter between the tires
and the road surface, preventing the
steering and brakes from operating prop-
erly.
■
Engine speed while driving
In the following conditions, the engine
speed may become high while driving. This
is due to automatic up-shifting control or
down-shifting implementation to meet driv-
ing conditions. It does not indicate sudden
acceleration.
●
The vehicle is judged to be driving uphill
or downhill
●
When the accelerato r pedal is releasedDriving the vehicle The following procedures should be
observed to ensure safe driving:
Driving procedure

1594-1. Before driving
LS500h_OM_OM50F42U_(U) 4
Driving ●
When the brake pedal is depressed■
Restraining the hybr id system output
(Brake Override System)●
When the accelerator and brake pedals
are depressed at the same time, the
hybrid system output may be restrained.●
A warning message is displayed on the
multi-information display while the sys-
tem is operating.■
Restraining sudden start (Drive-Start
Control)●
When the following unusual operation is
performed, the hybrid system output may
be restrained.
• When the shift position is shifted from R
to D, D to R, N to R, P to D *
, or P to R *
(D
includes M) with the accelerator pedal
depressed, a warning message appears
on the multi-information display. If a
warning message is shown on the
multi-information disp lay, read the mes-
sage and follow the instruction.
• When the accelerator pedal is depressed
too much while the vehicle is in reverse. *
: Depending on the situation, the shift
position may not be changed.●
While Drive-Start Control is being acti-
vated, your vehicle may have trouble
escaping from the mud or fresh snow. In
such case, deactivate TRAC ( → P.304)
to cancel Drive-Start Control so that the
vehicle may become able to escape from
the mud or fresh snow.■
Breaking in your new Lexus
To extend the life of the vehicle, observing
the following precautions is recommended:
●
For the first 186 miles (300 km):
Avoid sudden stops.
●
For the first 621 miles (1000 km):
• Do not drive at extremely high speeds.
• Avoid sudden acceleration.
• Do not drive continuously in low gears.
• Do not drive at a constant speed for
extended periods.
■
Drum-in-disc type parking brake system
Your vehicle has a drum-in-disc type park-
ing brake system. This type of brake system needs bedding-down of the brake shoes
periodically or whenever the parking brake
shoes and/or drum are replaced. Have your
Lexus dealer perform the bedding down
operation. ■
Brake pads and discs (F SPORT models)
The brake pads and discs are designed for
use under high load conditions. Therefore,
brake noise may be generated depending
on the vehicle speed, braking force and
vehicle environment (temperature, humid-
ity, etc.). ■
Operating your vehicle in a foreign
country
Comply with the relevant vehicle registra-
tion laws and confirm the availability of the
correct fuel. ( → P.461)
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury. ■
When starting the vehicle
Always keep your foot on the brake
pedal while stopped with the “READY”
indicator is illuminated. This prevents the
vehicle from creeping. ■
When driving the vehicle ●
Do not drive if you are unfamiliar with
the location of the brake and accelera-
tor pedals to avoid depressing the
wrong pedal.
• Accidentally depressing the accelera-
tor pedal instead of the brake pedal
will result in sudden acceleration that
may lead to an accident.
• When backing up, you may twist your
body around, leading to a difficulty in
operating the pedals. Make sure to
operate the pedals properly.

1694-2. Driving procedures
LS500h_OM_OM50F42U_(U) 4
Driving ■
If the 12-volt battery is discharged
The hybrid system cannot be started using
the smart access system with push-button
start. Refer to P.447 to restart the hybrid
system. ■
Electronic key battery depletion
→ P.104■
Conditions affe cting operation
→ P.120■
Notes for the entry function
→ P.121■
Steering lock function●
After turning the power 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 power
switch again automatically cancels the
steering lock.●
When the steering lock cannot be
released, “Push Power Switch While
Turning Steering Whee l in Either Direc-
tion” will be displayed on the multi-infor-
mation display.
Press the power switch shortly and firmly
while turning the steering wheel left and
right.
●
To prevent the steering lock motor from
overheating, the motor may be sus-
pended if the hybrid system is turned on
and off repeatedly in a short period of
time. In this case, refrain from operating
the power switch. After about 10 sec-
onds, the steering lock motor will resume
functioning.
■
If the “READY” indicator does not come
on
In the event that the “READY” indicator
does not come on even after performing
the proper procedures for starting the vehi- cle, contact your Lexus dealer immediately. ■
If the hybrid system is malfunctioning
→ P.64 ■
Electronic key battery
→ P.413 ■
Operation of the power switch ●
If the switch is no t pressed shortly and
firmly, the power switch mode may not
change or the hybrid system may not
start. ●
If attempting to restart the hybrid system
immediately after turning the power
switch off, the hybrid system may not start
in some cases. After turning the power
switch off, please wait a few seconds
before restarting the hybrid system. ■
Customization
If the smart access system with push-button
start has been deactivated in a customized
setting, refer to P.445.
WARNING■
When starting the hybrid system
Always start the hybrid system while sit-
ting in the driver’s seat. Do not depress
the accelerator pedal while starting the
hybrid system under any circumstances.
Doing so may cause an accident result-
ing in death or serious injury.
■
Caution while driving
If hybrid system 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 circumstance may lead to an
accident, resulting in death or serious
injury.
NOTICE
■
When starting the hybrid system
If the hybrid system becomes difficult to
start, have your vehicle checked by your
Lexus dealer immediately.

170 4-2. Driving procedures
LS500h_OM_OM50F42U_(U) 1 Stop the vehicle completely.
2 If the parking brake is in manual
mode, set the parking brake.
( → P.181)
3 Shift the shift position to P. ( → P.176)Check that the shift position indicator
shows P. ( → P.176)
4 Press the power switch.The hybrid system will stop, and the meter
display will be extinguished (the shift posi-
tion indicator will be extinguished a few
seconds after the meter display).
5 Release the brake pedal and check
that “ACCESSORY” or “IGNI-
TION ON” is not shown on the
meter. ■
Automatic P position selection function
→ P.177 Modes can be changed by pressing
the power switch with the brake pedal
released. (The mode changes each
time the switch is pressed.)NOTICE■
Symptoms indicating a malfunction
with the power switch
If the power switch seems to be operat-
ing somewhat differently than usual, such
as the switch sticking slightly, there may
be a malfunction. Contact your Lexus
dealer immediately.
Stopping the hybrid system WARNING■
Stopping the hybrid system in an
emergency ●
If you want to stop the hybrid system in
an emergency while driving the vehi-
cle, press and hold the power switch
for more than 2 seconds, or press it
briefly 3 times or more in succession.
( → P.420)
However, do not touch the power
switch while driving except in an emer-
gency. Turning the hybrid system off
while driving will not cause loss of
steering or braking control, however,
power assist to the st eering 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 power 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 hybrid system
after an emergency shutdown, press
the power switch.
Changing power switch modes