2018 Lexus LC500h alarm

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LC500_LC500h_OM_OM11405U_(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 ....................................... 28
Pop Up Hood ................................... 36
Front passenger occupant classifi- cation system ................................. 38
Exhaust gas precautions ............... 42
1-2. Child safety Riding with children........................ 43
Child restraint systems ................. 43
1-3. Hybrid system Hybrid system fe atures (LC500h)
.............................................................. 54
Hybrid system precautions (LC500h) ....................................... 57
1-4. Theft deterrent system Engine immobilize r system bilizer system> ................................ 62
Alarm.................................................... 64
Theft prevention labels (U.S.A.) 65
2-1. Instrument cluster Warning lights and indicators .... 68
Gauges and meters ........................ 74
Multi-information display............. 78
Head-up display .............................. 84Energy monitor/consumption
screen ............................................... 89
3-1. Key information Keys ....................................................... 96
3-2. Opening, closing and locking the doors and trunk
Doors .................................................... 99
Trunk .................................................. 103
Smart access system with push-but- ton start .......................................... 106
3-3. Adjusting the seats Front seats.......................................... 114
Driving position memory ............. 116
Head restraints ................................ 119
3-4. Adjusting the steering wheel and mirrors
Steering wheel ................................. 121
Inside rear view mirror ................ 122
Outside rear view mirrors.......... 123
3-5. Opening and closing the windows Power windows .............................. 125
4-1. Before driving Driving the vehicle........................ 130
Cargo and luggage...................... 136
Vehicle load limits......................... 138
Trailer towing.................................. 139
Dinghy towing ................................ 139
4-2. Driving procedures Engine (ignition) switch (LC500)........................................................... 140
1For safety and security
2Vehicle status information and
indicators
3Before driving
4Driving

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LC500_LC500h_OM_OM11405U_(U)
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1
For safety and security
For safety and security
1-1. For safe useBefore driving ................................. 22
For safe driving.............................. 23
Seat belts .......................................... 24
SRS airbags .................................... 28
Pop Up Hood ................................ 36
Front passenger occupant classifi- cation system .............................. 38
Exhaust gas precautions ............ 42
1-2. Child safety Riding with children..................... 43
Child restraint systems .............. 43
1-3. Hybrid system Hybrid system features
(LC500h) .................................... 54
Hybrid system precautions (LC500h) .................................... 57
1-4. Theft deterrent system Engine immobilizer system .............. 62
Alarm................................................. 64
Theft prevention labels (U.S.A.) ........................................................... 65

641-4. Theft deterrent system
LC500_LC500h_OM_OM11405U_(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 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 both side 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 or open the trunk.
 Turn the engine switch switch> to ACCESSORY or IGNI-
TION ON mode , or
start the engine .
(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.)
●A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle
using a door lock switch.
●The 12-volt battery is recharged or
replaced when the vehicle is locked.
(  P.361)
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

651-4. Theft deterrent system
LC500_LC500h_OM_OM11405U_(U)
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For safety and security
■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.
●When recharging or replacing the 12-volt
battery
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.
Theft prevention labels
(U.S.A.)
These labels are attached to the
vehicle to reduce vehicle theft by
facilitating the tracing and recov-
ery of parts from stolen vehicles.
Do not remove under penalty of
law.

963-1. Key information
LC500_LC500h_OM_OM11405U_(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.106)
• Operating the wireless remote control function
Mechanical keys
Key number plate
■When riding in an aircraft
When bringing an elec tronic 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.
●If the battery becomes low, an alarm will
sound in the cabin when the engine
is stopped.
●As the electronic ke y always receives
radio waves, the battery will become
depleted even if the electronic key is not
used. The following symptoms indicate that the electronic key battery may be
depleted. Replace the battery when nec-
essary. (
P.318)
• The smart access system with push-but- ton start or the wireless remote control
does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
●To avoid serious dete rioration, do not
leave the electronic key within 3 ft. (1 m)
of the following electrical appliances that
produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless
phones
•Table lamps
• Induction cookers
■Replacing the battery
 P.318
■Confirmation of the registered key
number
The number of keys already registered to
the vehicle can be confirmed. Ask your
Lexus dealer for details.
■If “A New Key has been Registered
Contact Your Dealer for Details” is
shown on the multi-information display
This message will be displayed each time
the driver’s door is opened when the doors
are unlocked from the outside for approxi-
mately 10 days after a new electronic key
has been registered.
If this message is disp layed but you have not
had a new electronic key registered, ask
your Lexus dealer to check if an unknown
electronic key (other than those in your
possession) has be en registered.
Keys
Key types
A
B
C
NOTICE
■To prevent key damage
●Do not drop the keys, subject them to
strong shocks or bend them.
●Do not expose the keys to high tem-
peratures for long periods of time.

973-1. Key information
LC500_LC500h_OM_OM11405U_(U)
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Before driving
The electronic keys are equipped with
the following wireless remote control: Locks the doors (
P.99)
Unlocks the doors ( P.99)
Opens the windows
* (  P.99)
Opens the trunk ( P.104)
Sounds the alarm ( P.97)
*: 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
a lock cylinder, turn it over and re-attempt
to insert it.
After using the mechanical key, store it in
the electronic key. Carry the mechanical
key together with the electronic key. If the
electronic key battery is depleted or the
entry function does not operate properly,
you will need the mechanical key.
(  P.355)
NOTICE
●Do not get the keys wet or wash them
in an ultrasonic washer etc.
●Do not attach metallic or magnetic
materials to the keys or place the keys
close to such materials.
●Do not disassemb le the keys.
●Do not attach a sticker or anything else
to the surface of the electronic key.
●Do not place the keys near objects that
produce magnetic fields, such as TVs,
audio systems and induction cookers.
■Carrying the electronic key on your
person
Carry the electronic key 3.9 in. (10 cm)
or more away from electric appliances
that are turned on. Radio waves emitted
from electric applianc es within 3.9 in. (10
cm) of the electronic key may interfere
with the key, causing the key to not func-
tion properly.
■In case of a smart access system with
push-button start malfunction or
other key-related problems
 P.355
■When an electronic key is lost
 P.354
Wireless remote control
Using the mechanical key
A
B
C
D
E

1003-2. Opening, closing and locking the doors and trunk
LC500_LC500h_OM_OM11405U_(U)
■Switching the door unlock function
It is possible to set which doors the entry
function unlocks using the wireless remote
control.
1 Turn the engine switch
off.
2 When the indicator light on the key sur-
face is not on, press and hold ,
or for approximately 5
seconds while pressing and holding
.
The setting changes each time an operation
is performed, as shown below. (When
changing the setting continuously, release
the buttons, wait for at least 5 seconds, and
repeat step 2 .)
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.64)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, both side 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 in dicate that the win-
dows 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.
■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.64)
■Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
 P.108
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the mechanical key to lock and unlock
the doors. ( P.355)
Replace the key battery with a new one if it
is depleted. ( P.318)
■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 control.
Multi-information display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Pushing the depression
on the front edge of the
driver’s door handle
unlocks only the
driver’s door.
Pushing the depression
on the front edge of the
passenger’s door han-
dle unlocks both side
doors.
Exterior: Beeps twice
Interior: Pings once
Pushing the depression
on the front edge of
either door handle
unlocks both side
doors.

1053-2. Opening, closing and locking the doors and trunk
LC500_LC500h_OM_OM11405U_(U)
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Before driving
■Trunk light
●The trunk light turns on when the trunk is
opened.
●If the trunk light is left on when the engine
switch is turned off, the
light will go off automatically after 20
minutes.
■Function to prevent the trunk being
locked with the electronic key inside
●When both side doors are locked, closing
the trunk lid with the electronic key left
inside the trunk will sound an alarm.
In this case, the trunk lid can be opened
by pressing the trunk release button on
the trunk lid.
●If the spare electronic key is put in the
trunk with both side 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
both side 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 trunk to be locked
when the trunk lid is closed. Make sure to
check where the key is before closing the
trunk.
●The key confinement prevention function
cannot be activated if either door is
unlocked. In this case, open the trunk
using the trunk opener switch.
●If the trunk lid is closed by a hand having
the electronic key when the both side
doors are locked, a warning buzzer may sound. In this case, the trunk is not locked.
Do not close the trunk lid by a hand hav-
ing the electronic key.
■Internal trunk release lever
The trunk lid can be opened by pulling the
glow-in-the-dark lever located on the inside
of the trunk to the side.
The lever will continue to glow for some
time after the trunk lid is closed.
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the trunk opener switch to unlock the
trunk. ( P.355)
Replace the key battery with a new one if it
is depleted. ( P.318)
■If a symbol indicating the trunk opens is
shown on the multi-information display
 P.102
■If the 12-volt batte ry is discharged
The trunk cannot be locked and unlocked
using the smart access system with push-
button start or wireless remote control.
Lock or unlock the trunk using the mechan-
ical key. ( P.357)
■Customization
The trunk unlocking operation can be
changed. (Customizable features: P.391)
Using the trunk grip, lower the trunk
without applying force to the side and
push the trunk down from the outside
to close it.
Closing the trunk