2020 Lexus GX460 alarm

TABLE OF CONTENTS2
GX460_OM_OM60R27U_(U)
For your information................................... 8
Reading this manual................................... 12
How to search ..............................................13
Pictorial index............................................... 14
1-1. For safe useBefore driving ................................ 26
For safe driving .............................. 28
Seat belts .......................................... 30
SRS airbags ..................................... 36
Front passenger occupant classification system ..................47
Safety information for children .......................................... 53
Child restraint systems ............... 54
Installing child restraints............. 58
Exhaust gas precautions............ 70
1-2. LEXUS Enform LEXUS Enform Safety Connect........................................... 71
1-3. Theft deterrent system Engine immobilizer system........76
Alarm ................................................. 78
2. Instrument cluster Warning and indicators lights ................................................ 82
Gauges and meters .....................88
Multi-information display ............91
Fuel consumption information ................................... 98 3-1. Key information
Keys .................................................. 100
3-2. Opening, closing and locking the doors
Side doors...................................... 104
Back door ..........................................111
Glass hatch ..................................... 116
Smart access system with push-button start........................ 121
3-3. Adjusting the seats Front seats ..................................... 128
Rear seats ...................................... 130
Driving position memory........... 141
Head restraints .............................146
3-4. Adjusting the steering wheel and mirrors
Steering wheel ..............................149
Inside rear view mirror ............... 151
Outside rear view mirrors .......153
3-5. Opening, closing the windows and moon roof
Power windows ............................156
Moon roof.......................................159
1For safety and security
2Instrument cluster
3Operation of each
component

25
GX460_OM_OM60R27U_(U)
For safety and security1
1-1. For safe useBefore driving................................. 26
For safe driving .............................. 28
Seat belts .......................................... 30
SRS airbags ..................................... 36
Front passenger occupant classification system.................. 47
Safety information for children .......................................... 53
Child restraint systems ............... 54
Installing child restraints.............58
Exhaust gas precautions ............ 70
1-2. LEXUS Enform LEXUS Enform Safety Connect ........................................... 71
1-3. Theft deterrent system Engine immobilizer system ....... 76
Alarm ................................................. 78

781-3. Theft deterrent system
GX460_OM_OM60R27U_(U)
Alarm
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
●A locked door or glass hatch is unlocked or opened in any way other than
using the entry function, wireless remo te control or mechanical key. (The
doors will lock again automatically.)
●The hood is opened.
Close the doors, glass hatch 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.
Do one of the following to de activate or stop the alarms:
●Unlock the doors.
●Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. (The alarm will be deactivat ed or stopped after a few seconds.)
The alarm
Setting the alarm system
Deactivating or stopping the alarm

791-3. Theft deterrent system
GX460_OM_OM60R27U_(U)
1
For safety and security
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing.
●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.
■Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, depending on the si tuation, the door may automatically lock to
prevent improper entry into the vehicle:
●When a person remaining in the vehicle un locks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the battery.
■Alarm memory function
After the alarm is activated, when you unlock any door using a entry function, wireless
remote control or mechanical key, the tail lights turn on for about 2 seconds to inform
you that the system was activated.
●A person inside the vehicle opens a door or
hood, or unlocks the vehicle using an inside
lock button.
●The battery is recharged or replaced when the
vehicle is locked. (P. 544)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

100
GX460_OM_OM60R27U_(U)3-1. Key information
Keys
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart access systemwith push-button start ( P. 121)
• Operating the wireless remote con-
trol function
Mechanical keys
Key number plate
Locks the doors ( P. 104)
Unlocks the doors ( P. 104)
Opens the windows and moon roof
*
( P. 104)
Opens the glass hatch ( P. 116)
Sounds the alarm ( P. 101)
*: These settings must be cust omized at your Lexus dealer.
The keys
1
2
3
Wireless remote control
1
2
3
4
5

GX460_OM_OM60R27U_(U)
1013-1. Key information
3
Operation of each component
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 can-
not 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 mechan-
ical 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. 540)
■Panic mode
■When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. ( P. 396)
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only.
■If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle.
Using the mechanical key
When is pressed for longer than about
one second, an alarm will sound intermittently
and the vehicle lights will flash to deter any per-
son from trying to break into or damage your
vehicle.
To stop the alarm, press any button on the elec-
tronic key.

102
GX460_OM_OM60R27U_(U)3-1. Key information
■When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons 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 accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft.
■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 key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. ( P. 484)
• The smart access system with push-button 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 deterioration, 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
●Battery-saving mode can reduce the power consumption of electronic keys that are not
used for long periods of time. ( P. 123)
■Replacing the battery
P. 484
■Certification for the wireless remote control
For vehicles sold in the U.S.A., Ha waii, Guam, Saipan and Puerto Rico

GX460_OM_OM60R27U_(U)
1053-2. Opening, closing and locking the doors
3
Operation of each component
■Operation signals
Doors: A buzzer sounds and the emergency flashers flash to indicate that the doors have
been locked/unlocked. (Loc ked: once; Unlocked: twice)
Windows and moon roof: A buzzer sounds to indicate that the windows and moon roof
are operating.
■Security feature
If a door or the glass hatch is not opened within approximately 60 seconds after the vehi-
cle is unlocked, the security feature automatically locks the vehicle again.
■When the door cannot be locked by the lock sensor on the upper part of the door han-
dle
■Door lock buzzer
If an attempt to lock the doors is made when a door and/or the glass hatch is not fully
closed, a buzzer sounds continuously. Fully close the door and/or the glass hatch to stop
the buzzer, and lock the vehicle once more.
■Setting the alarm
Locking the doors will set the alarm system. ( P. 78)
■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. 540)
●Replace the battery with a new one if it is depleted. ( P. 484)
If the door will not lock even when the topside
sensor area is touched, try touching both the
topside and underside sensor areas at the same
time.
When gloves are being worn, remove the
gloves.