2018 LEXUS LS500H alarm

2
LS500h_OM_OM50F42U_(U) TABLE OF CONTENTS
For your information ...................................... 6
Reading this manual .................................... 10
How to search ................................................. 11
Pictorial index ................................................. 12
1-1. For safe use
Before driving .................................... 22
For safe driving.................................. 23
Seat belts ............................................. 24
SRS airbags ........................................ 29
Pop Up Hood ................................... 38
Front passenger occupant classifi-
cation system ................................. 40
Exhaust gas precautions .............. 44
1-2. Child safety
Riding with children........................ 45
Child restraint systems ................. 45
1-3. Hybrid system
Hybrid system features ................. 58
Hybrid system precautions ........... 61
1-4. Theft deterrent system
Immobilizer sy stem ........................ 66
Alarm.................................................... 68
2-1. Instrument cluster
Warning lights and indicators ..... 72
Gauges and meters (except F
SPORT models) ............................ 77
Gauges and meters (F SPORT
models) .............................................. 81
Multi-information display............. 86
Head-up display ............................... 92 Energy monitor/consumption
screen ................................................ 96
3-1. Key information
Keys .................................................... 104
3-2. Opening, closing and locking the
doors and trunk
Doors ................................................. 108
Trunk .................................................... 112
Smart access system with push-but-
ton start ............................................ 119
3-3. Adjusting the seats
Front seats........................................ 128
Power rear seat ............................. 135
Driving position memory ........... 139
Rear seat position memory........ 143
Head restraints ............................... 144
3-4. Adjusting the steering wheel and
mirrors
Steering wheel ................................ 147
Inside rear view mirror ............... 148
Outside rear view mirrors......... 149
3-5. Opening, closing the windows and
moon roof
Power windows ............................... 151
Moon roof ........................................ 153
4-1. Before driving
Driving the vehicle........................ 158
Cargo and luggage...................... 164
Vehicle load limits......................... 166
Trailer towing.................................. 1661
For safety and security
2
Vehicle status information and
indicators 3
Before driving
4
Driving

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LS500h_OM_OM50F42U_(U) 1 1
For safety and security For safety and security .
1-1. For safe use
Before driving ................................. 22
For safe driving.............................. 23
Seat belts .......................................... 24
SRS airbags .................................... 29
Pop Up Hood ................................ 38
Front passenger occupant classifi-
cation system .............................. 40
Exhaust gas precautions ........... 44
1-2. Child safety
Riding with children..................... 45
Child restraint systems .............. 45
1-3. Hybrid system
Hybrid system features .............. 58
Hybrid system precautions ....... 61
1-4. Theft deterrent system
Immobilizer sy stem ..................... 66
Alarm................................................. 68

68 1-4. Theft deterrent system
LS500h_OM_OM50F42U_(U) ■
Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows and moon roof are
closed before the alarm is set.
 No valuables or other personal
items are left in the vehicle. ■
Setting
Close the doors, trunk and hood, and
lock all the doors. The system will be
set automatically after 30 seconds. The indicator light changes from being on
to flashing when the system is set. ■
Canceling or stopping
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors.
 Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.) ■
System maintenance
The vehicle has a maintenance-free type
alarm system. ■
Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.) ●
The trunk is opened using the mechanical
key.
●
A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle.Alarm The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door or trunk is
unlocked or opened in any way
other than using the entry func-
tion, wireless remote control or
mechanical key. (The doors will
lock again automatically.)
 The hood is opened.
Setting/canceling/stopping the
alarm system

691-4. Theft deterrent system
LS500h_OM_OM50F42U_(U) 1
For safety and security ●
The 12-volt battery is recharged or
replaced when the vehicle is locked.
( → P.450)
■
Alarm-operated door lock
In the following cases, depending on the sit-
uation, the door may automatically lock to
prevent improper entry into the vehicle: ●
When a person remaining in the vehicle
unlocks the door and the alarm is acti-
vated.●
While the alarm is activated, a person
remaining in the vehicle unlocks the door.
NOTICE■
To ensure the system operates cor-
rectly
Do not modify or remove the system. If
modified or removed, the proper opera-
tion of the system cannot be guaranteed.

104 3-1. Key information
LS500h_OM_OM50F42U_(U) 3-1.Key information
The following keys are provided with
the vehicle.
Electronic keys• Operating the smart access system with
push-button start ( →
P.119 )
• Operating the wireless remote control
function ( →
P.106 )
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)Operating the smart access system with
push-button start ( → P.119)
■
Card key (if equipped)
●
The card key is not waterproof.
●
The mechanical key that is stored inside
the card key should be used only if a
problem arises, such as when the card key does not operate properly. ●
If it is difficult to take out the mechanical
key, push down the lock release button
using a pen tip etc. If it is still difficult to
pull it out, use a coin etc. ●
To store the mechanical key in the card
key, insert it while pressing the lock
release button.
●
If the battery cover is not installed and the
battery falls out or if the battery was
removed because the key got wet, rein-
stall the battery with the positive terminal
facing the Lexus emblem.
■
When riding in an aircraft
When bringing an electronic key onto an
aircraft, make sure you do not press any
buttons on the electronic key while inside
the aircraft cabin. If you are carrying an
electronic key in your bag etc., ensure that
the buttons are not likely to be pressed acci-
dentally. Pressing a button may cause the
electronic key to em it radio waves that
could interfere with the operation of the air-
craft.
■
Electronic key battery depletion
●
The standard battery life is 1 to 2 years.
(The card key battery life is about a year
and a half.)
●
If the battery becomes low, an alarm will
sound in the cabin and a message will be
shown on the multi-information display
when the hybrid system is stopped.Keys
The keys
A
B
C
D

106 3-1. Key information
LS500h_OM_OM50F42U_(U) The electronic keys are equipped with
the following wireless remote control: Locks the doors ( → P.108)
Unlocks the doors ( → P.108)
Opens the windows and moon
roof *
( → P.108)
Opens the trunk ( → P.115)
Sounds the alarm *
: This setting must be customized at your
Lexus dealer.
■
Theft deterrent panic mode
When is pressed for longer than about one
second, an alarm will sound intermittently
and the vehicle lights will flash to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, press any button on the
electronic key.
To take out the mechanical key, push
the release button and take the key out. The mechanical key can only be inserted in
one direction, as the key only has grooves
on one side. If the key cannot be inserted in NOTICE●
If the battery or card key terminals get
wet, the battery may corrode and the
card key may stop working.
If the key is dropped into water, or if
drinking water, etc. is spilled on the key,
immediately remove the battery cover
and wipe the battery and terminals. (To
remove the battery co ver, lightly grasp
and pull it.) If the battery is corroded,
have your Lexus dealer replace the
battery.●
Do not crush the battery cover or use
a screwdriver to remove the battery
cover.
Forcibly removing the battery cover
may bend or damage the key.●
If the battery cover is frequently
removed, the battery cover may
become loose.●
When installing the ba ttery, make sure
to check the direction of the battery.
Installing the battery in the wrong
direction may cause the battery to
deplete rapidly.●
The surface of the card key may be
damaged, or its coating may peel off in
the following situations:
• The card key is carried together with
hard objects, such as coins and keys.
• The card key is scraped with a sharp
object, such as the tip of a mechanical
pencil.
• The surface of the card key is wiped
with thinner or benzene.
Wireless remote control
Using the mechanical key A
B
C
D
E

1093-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(U) 3
Before driving
To prevent unintended triggering of the
alarm, unlock the doors using the wireless
remote control and open and close a door
once after the settings have been changed.
(If a door is not opened within 60 seconds
after is pressed, the doors will be
locked again and the alarm will automati-
cally be set.)
In a case that the alarm is triggered, imme-
diately stop the alarm. ( → P.68)■
Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, all the doors are unlocked.
Depending on the force of the impact or the
type of accident, however, the system may
not operate.
■
Operation signals
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: once;
Unlocked: twice)
A buzzer sounds to indicate that the win-
dows and moon roof are operating.
■
Security feature
If a door is not opened within approximately
60 seconds after the vehicle is unlocked, the security feature automatically locks the
vehicle again. ■
When the doors cannot be locked by the
lock sensor on the upper part of the
door handle
When the doors cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the lock
sensor with the palm.
If you are wearing gloves, remove them.
■
Open door warning buzzer
If an attempt to lock the doors is made when
a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the
door to stop the buzzer, and lock the vehi-
cle once more. ■
Setting the alarm
Locking the doors will set the alarm system.
( → P.68) ■
Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
→ P.120 ■
If the smart access system with
push-button start or the wireless remote
control does not operate properly
Use the mechanical key to lock and unlock
the doors. ( → P.445)
Replace the key battery with a new one if it
is depleted. ( → P.413)
■
If the 12-volt batte ry is discharged
The doors cannot be locked and unlocked
using the smart access system with
push-button start or wireless remote con-
trol. Lock or unlock the doors using the
mechanical key. ( → P.445)
■
Customization
Some functions can be customized. Multi-information
display/Beep Unlocking function
Exterior: Beeps 3
times
Interior: Pings once Holding the driver’s
door handle unlocks
only the driver’s
door.
Holding any of the
passenger door
handles unlocks all
the doors.
Exterior: Beeps
twice
Interior: Pings once Holding a door han-
dle unlocks all the
doors.

116 3-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(U) A buzzer will sound and the trunk lid will
fully close.
Pressing the switch while the trunk lid is
closing opens the trunk lid again.
■
Trunk grip
Using the trunk grip, pull down the
trunk lid without applying sideways
force and push the trunk lid down from
the outside to close it.
■
Trunk lid light/trunk light●
The trunk lid light/tru nk light turns on
when the trunk is opened.
●
If the trunk lid light/tru nk light is left on
when the power switch is turned off, the
light will go off automatically after 20
minutes.
■
Trunk easy closer
In the event that the trun k lid is left slightly
open, the trunk easy closer will automati-
cally close it to the fully closed position.
●
The trunk easy closer will operate
regardless of the po wer switch mode.
●
If the trunk easy closer does not operate, open the trunk to the half open position
or more and then close it. ■
Function to prevent the trunk being
locked with the electronic key inside ●
When all doors are locked, closing the
trunk lid with the electronic key left inside
the trunk will sound an alarm.
In this case, the trun k lid can be opened
pressing the trunk release button on the
trunk lid. ●
If the spare electronic key is put in the
trunk with all the doors locked, the key
confinement prevention function is acti-
vated so the trunk can be opened. In
order to prevent theft, take all electronic
keys with you when leaving the vehicle. ●
If the electronic key is put in the trunk with
all the doors locked, the key may not be
detected depending on the location of
the key and the surrounding radio wave
conditions. In this case, the key confine-
ment prevention function cannot be acti-
vated, causing the doors to lock when the
trunk is closed. Make sure to check
where the key is before closing the trunk. ●
The key confinement prevention function
cannot be activated if any one of the
doors is unlocked. In this case, open the
trunk using the trunk opener. ■
Hands Free Power Trunk Lid operating
conditions (if equipped)
The Hands Free Power Trunk Lid (kick sen-
sor) is enabled and the power switch is
turned off. ■
Overload protection function
The trunk lid will not operate wh en exces-
sive load is present on the top of the trunk
lid.
■
Fall-down protection function
While the trunk lid is opening automatically,
applying excessive forc e to it will stop the
opening operation to prevent the trunk lid
from rapidly falling down.
■
Jam protection function
While the trunk lid is closing automatically,
the trunk lid will stop closing and open if
something gets caught.