2018 LEXUS LX570 door lock

78 1-2. Theft deterrent system
LX570_OM_OM60Q78U_(U) ■
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.) ●
The doors are unlocked using the mechanical
key.
●
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. 549)

791-2. Theft deterrent system
LX570_OM_OM60Q78U_(U) 1
For safety and security ■
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 re maining in the vehicl e unlocks the door.●
When recharging or replacing the battery.
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.

LX570_OM_OM60Q78U_(U) 832. Instrument cluster
2
Instrument cluster Warning lights inform the driver of malfun ctions in any of the vehicle’s systems.
Warning lights * 1
(U.S.A.)
Brake system warning light
( → P. 520)
* 1
Automatic headlight
leveling system warning
light ( → P. 521)
* 1
(Canada)
Brake system warning light
( → P. 520)
* 2
Low speed four-wheel
drive indicator light
( → P. 522)
* 1
Charging system warning
light ( → P. 520)
* 2
Center differential lock
indicator light ( → P. 522)
* 1
(U.S.A.)
Malfunction indicator lamp
( → P. 520) Open door warning light
( → P. 522)
* 1
(Canada)
Malfunction indicator lamp
( → P. 520) Low fuel level warning light
( → P. 522)
* 1
SRS warning light
( → P. 520) Driver’s seat belt reminder
light ( → P. 522)
* 1
(U.S.A.)
ABS warning light
( → P. 520) * 3
Front passenger’s seat belt
reminder light ( → P. 522)
* 1
(Canada)
ABS warning light
( → P. 520) * 1
Master warning light
( → P. 522)
* 1, 4
(if equipped) PCS warning light
( → P. 521) * 1
Tire pressure warning light
( → P. 522)
* 1
Slip indicator light
( → P. 521) * 2
(U.S.A.) Parking brake indicator
( → P. 522)

109
LX570_OM_OM60Q78U_(U) 3 Operation of
each component 3-1. Key information
Keys ....................................................110
3-2. Opening, closing and
locking the doors
Side doors ........................................ 115
Back door........................................122
Smart access system with
push-button start ...................... 132
3-3. Adjusting the seats
Front seats...................................... 140
Rear seats........................................142
Driving position memory ........... 151
Head restraints ............................ 155
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 158
Inside rear view mirror ............. 160
Outside rear view mirrors........162
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 165
Moon roof ...................................... 168

110
LX570_OM_OM60Q78U_(U) 3-1. Key information
Keys The following keys are provided with the vehicle.
Electronic keys • Operating the smart access system
with push-button start ( → P. 132)
• Operating the wireless remote con-
trol function
Mechanical keys
Key number plate
Card key (electronic key) Operating the smart access system with
push-button start ( → P. 132)
Locks the doors ( → P. 115)
Unlocks the doors ( → P. 115)
Opens the windows and moon roof
*( → P. 115)
Opens/closes the power back door
( → P. 122)
Sounds the alarm ( → P. 111)
* : This setting must be custom ized at your Lexus dealer.The keys 1
2
3
4
Wireless remote control 1
2
3
4
5

115
LX570_OM_OM60Q78U_(U) 3-2. Opening, closing and locking the doors
3
Operation of each component
Side doors ◆ Smart access system with push-button start
Carry the electronic key to enable this function.
Grip the driver’s door handle to
unlock the door. Grip the passen-
ger’s door handle to unlock all the
doors.
* Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are locked.
* : The door unlock settings can be
changed. ( → P. 120)
Touch the lock sensor (the indentatio n on the upper part or lower part of
the handle) to lock the doors. Check that the door is securely locked.
◆ Wireless remote control
Locks all the doors Check that the door is securely
locked.
Unlocks all the doors Pressing the button unlocks the
driver’s door. Pressing the button
again unlocks the other doors.
Press and hold to open the windows
and moon roof.
*
* : These settings must be cust omized at your Lexus dealer.The vehicle can be locked and unlock ed using the entry function, wireless
remote control or door lock switch.
Locking and unlocking the doors from the outside 1
2
1
2

116
LX570_OM_OM60Q78U_(U) 3-2. Opening, closing and locking the doors■
Operation signals
Doors: A buzzer sounds and the emergency flas hers 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 is not opened within approximately 60 seconds after the vehicle 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 is not fully closed, a buzzer sounds
continuously. Fully close the door to stop the buzzer, and lock the vehicle once more. ■
Setting the alarm
Locking the doors will set the alarm system. ( → P. 77)■
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. 546)●
Replace the battery with a new one if it is depleted. ( → P. 503)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.

LX570_OM_OM60Q78U_(U) 1173-2. Opening, closing and locking the doors
3
Operation of each component ◆ Door lock switches
Locks all the doors
Unlocks all the doors
◆ Inside lock buttons
Locks the door
Unlocks the door The front doors can be opened by
pulling the inside ha ndles even if the
lock buttons are in the lock position.
The other doors can be unlocked by
pulling the inside handles.Locking and unlocking the doors from the inside 1
2
1
2