child lock LEXUS LS500 2019 User Guide

1033-2. Opening, closing and locking the doors and trunk
LS500_OM_(U)_1810 3
Before driving When the door is unlocked, the inside lock
button will pop up.
■
Locking the front doors from the outside
without a key
1 Push down the inside lock button.
2 Close the door.
The door cannot be locked if the engine
switch is in ACCESSORY or IGNITION
ON mode, or the electronic key is left
inside the vehicle. However, the key may not
be detected correctly and the door may be
locked. ■
Door closer (if equipped)
In the event that a door is left slightly open,
the door closer will automatically close it to
the fully closed position. ●
The door closer will operate regardless
of the engine switch mode.●
The door closer will not function if the
door has been clos ed while pulling the
inside or outside door handle.●
The door can be opened by pulling the
inside or outside door handle, even when
the door closer is operating (except
when the lock button is in the lock posi-
tion or the child-protector lock is set).
●
A motor sound may be heard for several
seconds after the door closer closes the
door. This does not indicate a malfunc-
tion.
■
Open door warning buzzer
If a door or the trunk is not fully closed, a
buzzer will sound when the vehicle speed
reaches 3 mph (5 km/h).
The open door(s) or trunk is indicated on
the multi-information display. The door cannot be opened from
inside the vehicle when the lock is set. WARNING■
Door closer (if equipped)
In the event that a d oor is left slightly
open, the door closer will automatically
close it to the fully closed position. It
takes several second s before the door
easy closer begins to operate.
If the child-protector lock is set, the door
closer will not stop during operation even
if an attempt is made to open the door
from inside the vehicle. Be careful not to
catch fingers or anything else in the door.
Failure to do so may result in serious
injury.
NOTICE■
To prevent door closer malfunction (if
equipped)
Do not frequently repeat opening and
closing of doors, or apply excessive force
to a door while the door closer is operat-
ing.
Rear door child-protector lock

104 3-2. Opening, closing and locking the doors and trunk
LS500_OM_(U)_1810 1 Unlock
2 LockThese locks can be set to prevent children
from opening the rear doors. Push down
on each rear door switch to lock both rear
doors.
The following functions can be set or
canceled: For instructions on customizing, refer to
P.466.
Automatic door locking and
unlocking systems Function Operation
Speed linked
door locking
function All doors are automati-
cally locked when vehi-
cle speed is
approximately 12 mph
(20 km/h) or higher.
Shift position
linked door lock-
ing function All doors are automati-
cally locked when the
shift position is shifted
to a position other than
P.
Shift position
linked door
unlocking func-
tion All doors are automati-
cally unlocked when
the shift position is
shifted to P.
Driver’s door
linked door
unlocking func-
tion All doors are automati-
cally unlocked when
driver’s door is opened
within approximately
45 seconds after turn-
ing the engine switch
off. Trunk The trunk can be opened using the
trunk opener switch, entry function
or wireless remote control.
If the vehicle is equipped with a
power trunk opener and closer, the
trunk can be closed using the trunk
closer. WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury. ■
Before driving ●
Make sure that the trunk lid is fully
closed. If the trunk lid is not fully
closed, it may open unexpectedly
while driving and hit near-by objects or
luggage in the trunk may be thrown
out, causing an accident. ●
Do not allow children to play in the
trunk.
If a child is accident ally locked in the
trunk, they could suffer from heat
exhaustion, suffocation or other inju-
ries.
●
Do not allow a child to open or close
the trunk lid.
Doing so may cause the trunk lid to
open unexpectedly, or cause the
child’s hands, head, or neck to be
caught by the closing trunk lid.
■
Important points while driving
Never let anyone sit in the trunk. In the
event of sudden braking or a collision,
they are susceptible to death or serious
injury.
■
Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the
body to be caught, resulting in serious
injury.

130 3-3. Adjusting the seats
LS500_OM_(U)_1810 If a seat is not occupi ed, do not operate the
rear seat relaxation system for that seat. ■
Relaxation system●
Operating conditions
• The engine switch is in IGNITION ON
mode.
• The temperature in the cabin is not
extremely high.
• The weight of an occupant is detected on
the rear seat or the rear seat belt is fas-
tened.
Once weight is detect ed on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked. ●
Automatic stop function
• The operation will be canceled automati-
cally after approximately 15 minutes.
• If the door for a seat that the relaxation
system is currently being used is opened,
the relaxation system will stop operating.
The seat and steering wheel are auto-
matically adjusted to allow the driver to
enter and exit the vehicle easily. 
Driver’s seat
When all of the following have been
performed, the seat and steering
wheel are automatically adjusted to a
position that allows driver to enter and
exit the vehicle easily.
• The shift position has been shifted to
P.
• The engine switch has been turned
off.
• The driver’s seat belt has been
unfastened. When the driver’s seat adjustment
switches are in front passenger mode
(  P.121), the seat and steering wheel will
not move.WARNING■
Using the relaxation system●
Those who are pregnant, have recently
given birth, or suffer from ailments
requiring rest (heart disease etc.)
should consult a doctor before use.
●
Do not allow children to use the relax-
ation function.
●
Do not use immediately after consum-
ing a meal or alcohol, or for an
extended period of time.
●
If you feel sick while using the relax-
ation function, immediately discon-
tinue use. Driving position memory This feature automatically adjusts
the positions of the front seats,
steering wheel, outside rear view
mirrors and head-up display (if
equipped) to make entering and
exiting the vehicle easier or to suit
your preferences.
Up to 3 different driving positions
can be recorded.
Each electronic key (including a
card key) can be registered to
recall your preferred driving posi-
tion.
Power easy access system

1433-5. Opening, closing the windows and moon roof
LS500_OM_(U)_1810 3
Before driving 5 Release the power window switch for a
moment, resume push ing the switch in
the one-touch opening direction, and
hold it there for approximately 4 sec-
onds or more.
6 Pull and hold the power window switch
in the one-touch closing direction
again. After the side window is com-
pletely closed, continue holding the
switch for a further 1 second or more.
If you release the switch while the window is
moving, start again from the beginning.
If the window reverses and cannot be fully
closed or opened, have the vehicle
inspected by your Lexus dealer. ■
Door lock linked window operation●
The power windows can be opened and
closed using the mechanical key. *

(  P.434)●
The power windows can be opened using
the wireless remote control. *
(  P.100)*
: These settings must be customized at
your Lexus dealer.■
Power windows open warning buzzer
A buzzer sounds and a message is shown
on the multi-information display in the
instrument cluster when the engine switch
is turned off and the driver’s door is opened
with the power windows open. ■
Customization
Some functions can be customized.
(  P.466)
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury. ■
Closing the windows ●
The driver is responsible for all the
power window operations, including
the operation for the passengers. In
order to prevent accidental operation,
especially by a child, do not let a child
operate the power windows. It is possi-
ble for children and other passengers
to have body parts caught in the power
window. Also, when riding with a child,
it is recommended to use the window
lock switch. (  P.144)●
Check to make sure that all passen-
gers do not have any part of their body
in a position where it could be caught
when a window is being operated.
●
When using the wireless remote con-
trol or mechanical key and operating
the power windows, operate the
power window after checking to make
sure that there is no possibility of any
passenger having any of their body
parts caught in the window. Also do
not let a child operate window by the
wireless remote control or mechanical
key. It is possible for children and other
passengers to get caught in the power
window.
●
When exiting the vehicle, turn the
engine switch off, carry the key and
exit the vehicle along with the child.
There may be accidental operation,
due to mischief, etc., that may possibly
lead to an accident.
■
Jam protection function
●
Never use any part of your body to
intentionally activa te the jam protec-
tion function.

144 3-5. Opening, closing the windows and moon roof
LS500_OM_(U)_1810 This function can be used to prevent
children from accidentally opening or
closing a passenger window.
Press the switch. The indicator will come on and the pas-
senger windows will be locked.
The passenger wind ows can still be
opened and closed using the driver’s
switch even if the lock switch is on.
■
The power windows can be operated
when
The engine switch is in IGNITION ON
mode. ■
When the battery is disconnected
The window lock switch is disabled. If nec-
essary, press the window lock switch after
reconnecting the battery.WARNING●
The jam protection function may not
work if something gets jammed just
before the window is fully closed. Be
careful not to get any part of your body
jammed in the window.■
Catch protection function●
Never use any part of your body or
clothing to intentio nally activate the
catch protection function.●
The catch protection function may not
work if something gets caught just
before the window is fully opened. Be
careful not to get any part of your body
or clothing caught in the window.
Preventing accidental operation
(window lock switch)
A

2134-5. Using the driving support systems
LS500_OM_(U)_1810 4
Driving • If a vehicle ahead has extremely high
ground clearance
• If a vehicle ahead is carrying a load which
protrudes past its rear bumper
• If a vehicle ahead is irregularly shaped,
such as a tractor or side car
• If a vehicle ahead is a child sized bicycle,
a bicycle that is carrying a large load, a
bicycle ridden by more than one person,
or a uniquely shaped bicycle (bicycle with
a child seat, tandem bicycle, etc.)
• If a pedestrian/or the riding height of a
bicyclist ahead is shorter than approxi-
mately 3.2 ft. (1 m) or taller than approxi-
mately 6.5 ft. (2 m)
• If a pedestrian/bicyclist is wearing over-
sized clothing (a rain coat, long skirt,
etc.), making their silhouette obscure
• If a pedestrian is bending forward or
squatting or bicyclist is bending forward
• If a pedestrian/bicyclist is moving fast
• If a pedestrian is pushing a stroller, wheel-
chair, bicycle or other vehicle
• When driving in incl ement weather such
as heavy rain, fog, snow or a sandstorm
• When driving through steam or smoke
• When the surrounding area is dim, such
as at dawn or dusk, or while at night or in
a tunnel, making a vehicle, pedestrian or
bicyclist appear to be nearly the same
color as its surroundings
• When driving in a place where the sur-
rounding brightness changes suddenly,
such as at the entrance or exit of a tunnel
• When driving in a lo cation where there are many objects which reflect radar,
such as a tunnel or parking garage
• After the engine has started the vehicle
has not been driven for a certain amount
of time
• While making a left/r ight turn and for a
few seconds after making a left/right turn
• While driving on a curve and for a few
seconds after driving on a curve
• If your vehicle is skidding
• If the front of the vehicle is raised or low-
ered
• If the wheels are misaligned
• If a wiper blade is blocking the front cam-
era
• The vehicle is being driven at extremely
high speeds.
• When driving on a hill
• If the radar sensor or front camera is mis-
aligned
• If the headlights are misaligned
• When approaching a guardrail at a wide
or narrow angle
• When a vehicle approaches your vehicle
from the front left or right side while your
vehicle is entering an intersection with
poor visibility
• When a vehicle approaches your vehicle
from the rear left or right side
• When a vehicle approaches the side of
your vehicle at a shallow angle
• When driving on a road with a grade that
changes sharply (sha rp incline/decline)
• Pedestrians and bicyclists which are not
illuminated by the head lights at night, in a
tunnel, etc.
• Pedestrians and bicyclists which change
speed or direction abruptly
• Pedestrians and bicyclists which suddenly
emerge from behind a vehicle or large
object
• Pedestrians and bicyclists which are
extremely close to the side of the vehicle
(outside rear view mirror, etc.)

494 What to do if... (Troubleshooting)
LS500_OM_(U)_1810 1-1.What to do if... (Troubleshooting)
What to do if... (Troubleshooting)  If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
(  P.432)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. (  P.432)
 Is the electronic key battery weak or
depleted? (  P.399)
 Is the engine switch in IGNITION
ON mode? When locking the doors, turn the engine
switch off. ( 
P.166 )
 Is the electronic key left inside the
vehicle? When locking the doors, make sure that
you have the electronic key on your per-
son.  The function may not operate prop-
erly due to the condition of the radio
wave. (  P.113)
 Is the child-protector lock set? The rear door cannot be opened from
inside the vehicle when the lock is set.
Open the rear door from outside and then
unlock the child-protector lock. ( 
P.103 )
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. (  P.109)
 Did you press the engine switch
while firmly depressing the brake
pedal? (  P.164)
 Is the electronic key anywhere
detectable inside the vehicle?
(  P.112)
 Is the steering wheel unlocked?
(  P.164)
 Is the electronic key battery weak or
depleted?If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked The rear door cannot be opened
The trunk lid is closed with the
electronic key left inside
If you think something is wrong The engine does not start

4971-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 497Alphabetical Index
Alphabetical Index A
A/C
Air conditioning filter ...............................398
Front automatic air conditioning system
...........................................................................313
Micro dust and pollen filter.....................319
Rear automatic air conditioning system
......................................................................... 323
ABS (Anti-lock Brake System).............. 294
Warning light ................................................. 417
Active stabilizer suspension system .... 295
Adaptive Front-lighting System (AFS) .. 181
Adaptive Variable Suspension System295
AFS (Adaptive Front-lighting System) .. 181
Air conditioning filter ................................. 398
Air conditioning system
Air conditioning filter ...............................398
Front automatic air conditioning system
...........................................................................313
Micro dust and pollen filter.....................319
Rear automatic air conditioning system
......................................................................... 323
Airbags
Airbag operating conditions..................... 31
Airbag precautions for your child ........ 34
Correct driving posture .............................23
Curtain shield airbag operating condi-
tions ...................................................................32
Curtain shield airbag precautions ....... 34
Front passenger occupa nt classification
system ............................................................. 40
General airbag precautions ................... 34
Locations of airbags.................................... 29
Modification and disposal of airbags ..37
Side airbag operating conditions ..........32
Side airbag precautions ............................ 34
Side and curtain shield airbags operating
conditions.......................................................32
Side and curtain shield airbags precau-
tions .................................................................. 34
SRS airbags ..................................................... 29 SRS warning light........................................ 416
Alarm ................................................................... 65
Warning buzzer .......................................... 415
Anchor brackets ..................................... 46, 55
Antennas (smart acc ess system with
push-button start)..........................................111
Anti-lock Brake System (ABS).............. 294
Warning light .................................................417
Approach warning...................................... 243
Armrest............................................................ 344
Assist grips ..................................................... 344
Audio system-linked display ...................... 85
Automatic headlight leveling system ... 180
Automatic High Beam ................................182
Automatic light control system................ 179
Automatic transmission .............................. 167
M mode ............................................................ 172
Paddle shift switches ...... .......... ..........171, 172
Snow mode...................................................... 171
Auxiliary boxes ................................... 339, 341
Average fuel economy................................. 82
Average vehicle speed ................................ 82
B
Back-up lights
Replacing light bulbs ............................... 404
Battery
Battery checking ....................................... 380
If the battery is discharged ....................435
Preparing and checking before winter
......................................................................... 300
Warning light ................................................ 416
Blind Spot Monitor (BSM)....................... 250
Boost gauge...................................................... 83
Brake
Brake hold ....................................................... 177
Fluid........................................................ 379, 451
Parking brake ................................................174
Warning light ................................................ 415
Brake assist .................................................... 294
Break-in tips.................................................... 155

498 Alphabetical Index
LS500_OM_(U)_1810 Brightness control
Instrument panel light control ........75, 79
BSM (Blind Spot Monitor)....................... 250
Buzzer
Hands off steering wheel alert (LTA)
............................................................. 236, 236 C
Card key ............................................................ 96
Care
Aluminum wheels ..................................... 358
Exterior .......................................................... 358
Interior ...............................................................361
Seat belts..........................................................361
Cargo capacity............................................... 162
Cargo net ....................................................... 340
Center Display ............................................. 306
Chains ............................................................... 301
Child restraint system
Fixed with a LATCH system .................. 53
Fixed with a seat belt................................... 49
Front passenger occupa nt classification
system ............................................................. 40
Points to remember .................................... 45
Riding with children ..................................... 45
Types of child restraint system installation
method ........................................................... 46
Using an anchor bracket .......................... 55
Child safety
Airbag precautions...................................... 34
Battery precautions ....................... 381, 439
Child restraint system................................. 46
Heated steering wheel and seat heater
precautions................................................ 327
How your child should wear the seat belt
............................................................................ 25
Moon roof precautions ............................146
Panoramic moon roof precautions ... 150
Power window lock switch..................... 144
Power window precautions ................... 143
Rear door child-protectors ................... 103 Removed electronic key battery precau-
tions .............................................................. 400
Seat belt extender precautions.............. 25
Seat belt precautions .................................. 45
Trunk precautions....................................... 104
Child-protectors........................................... 103
Cleaning
Aluminum wheels ..................................... 358
Exterior........................................................... 358
Interior .............................................................. 361
Radar sensor .......................................192, 198
Seat belts ......................................................... 361
Clock ................................................ 73, 76, 345
Clock light ........................................................331
Coat hooks..................................................... 344
Coin holder .................................................... 337
Condenser ..................................................... 378
Console box .................................................. 338
Consumption screen ...................................... 91
Cooling system..............................................377
Engine overheating.................................. 440
Cornering lights .............................................. 181
Cruise control
Dynamic radar cruise control with
full-speed range .......................... 237, 247
Cup holders ................................................... 337
Current fuel consumption .......................... 82
Curtain shield airbags .................................. 29
Customizable features .............................. 466
D
Daytime running light system ................... 179
Defogger
Outside rear view mirrors.......................314
Rear window ..................................................314
Windshield ......................................................314
Differential
Front differential oi l............. ...................... 450
Rear differential oil. .................... ........... ...... 451
Dimension ...................................................... 446
Dinghy towing.................................................163

4991-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 499Alphabetical Index
Display
Center Display............................................306
Dynamic radar cruise control with
full-speed range ...................................... 237
Head-up display ........................................... 87
Intuitive parking assist.............................. 257
LTA (Lane Tracing Assist)...................... 231
Multi-information display ..........................80
Parking Support Brake function (rear
pedestrians) ..............................................286
RCD (Rear Camera Detection) ........ 267
RCTA .............................................................. 263
Warning message..................................... 425
Distance until next engine oil
change ......................................................74, 79
Do-it-yourself maintenance .................... 365
Door courtesy lights .....................................331
Door lock
Doors................................................................ 100
Smart access system with push-button
start ..................................................................... 111
Wireless remote control........................... 98
Doors
Automatic door lock ing and unlocking
system ........................................................... 104
Door closer ................................................... 103
Door glasses .................................................. 142
Door lock........................................................ 100
Open door warning bu zzer ........ 101, 103
Outside rear view mirrors ..................... 140
Rear door child-protectors ................... 103
Drive distance .................................................. 82
Drive info 1/Drive info 2 .............................. 82
Driver’s seat position memory
Driving position memory........................ 130
Memory recall function ............................133
Power easy access system .................... 130
Drive-start control ....................................... 155
Driving
Break-in tips .................................................. 155
Correct driving posture .............................23
Driving mode select switch ..................289 Procedures .................................................... 154
Winter drive tips ........................................ 300
Driving information disp lay ........................ 82
Driving position memory........................... 130
Memory recall function............................ 133
Power easy access system .................... 130
Driving range ................................................... 82
Driving support system information display
............................................................................. 85
DRS (Dynamic Rear Steering) .............. 295
Dynamic radar cruise control with
full-speed range ............................. 237, 247
Warning message .....................................245
Dynamic Rear Steering (DRS) .............. 295
E
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 294
Eco Driving Indicator............................. 83, 91
Eco Driving Indicator Light ........................ 83
EDR (Event data recorder) ............................7
Elapsed time ..................................................... 82
Electric Power Steering (EPS) .............. 295
Warning light ................................................ 418
Electronic key .................................................. 96
Battery-saving function.............................. 112
If the electronic key does not operate
properly .......................................................433
Replacing the battery .............................. 399
Electronic roof sunshade
Jam protection function ........................... 149
Operation ........................................................147
Electronically Controlled Brake System
(ECB) ............................................................ 294
Electronically modulated air suspension
............................................................................291
Emergency flashers .................................... 406
Emergency, in case of
If a warning buzzer sounds.................... 415
If a warning light turns on........................ 415
If a warning message is displayed .....425
If the battery is discharged ....................435