2018 LEXUS LS500 start stop button

2914-5. Using the driving support systems
LS500_OM_OM50F54U_(U) 4
Driving *
:If equipped
■
Situations in which the vehicle height
control may not operate properly●
In the following situations, the vehicle
height may change slowly or may not
change to the correct height:
• When the vehicle comes into contact
with snow, ice, stone, etc.
• When the ambient temperature is low
• When the accumulator tank pressure is
low●
In the following situations, the vehicle
height may not change:
• If the hood or trunk is not fully closed
• If the brake pedal depressed and the
vehicle is stopped
• When the vehicle is on a significantly
uneven or undulating road
• When the vehicle is on a slanted road or a
slope
■
Operating sound of the air suspension
compressor and valves
When the vehicle height is changed, such
as due to passengers entering the vehicle or
cargo being loaded, or when the vehicle
height is changed using the vehicle height
adjustment switch, the air suspension com-
pressor and valves may operate and a
sound may be heard. This does not indicate a malfunction. ■
When the accumulator tank pressure is
low
When the accumulator tank pressure is low,
the air suspension compressor and valves
may operate repeatedly even though the
vehicle height is not being changed. This
does not indicate a malfunction.
Electronically modulated air
suspension *
The height of the vehicle when driv-
ing can be selected using the vehi-
cle height adjustment switch. The
selected height level will be main-
tained regardless of the number of
passengers or weight of cargo.
Additionally, setti ngs of the follow-
ing functions can be changed:
 Access mode control
 Parking height control
 Vehicle height control WARNING■
Situations in whic h the operation of
the electronically modulated air sus-
pension should be canceled
In the following situations, make sure to
disable all functions of the vehicle height
control of the electronically modulated
air suspension and then stopping the
engine. Otherwise, the vehicle height
may change and part of your body may
be caught under the vehicle, possibly
causing injury. ●
When the vehicle is parked on a curb ●
If any of the wheels is not touching the
ground ●
If the vehicle needs to be jacked up ●
If the vehicle is to be tied down ●
If the vehicle is to be towed
■
Vehicle height control precautions
In the following situations, make sure to
check the safety of the area around the
vehicle, as the vehicle height may change
and part of someone’s body may be
caught in the vehicle, possibly causing
injury or the vehicle may be damaged.
●
When opening a door
●
When unlocking the doors using the
smart access system with push-button
start
●
When changing the vehicle height
using the vehicle height adjustment
switch

3535-6. Using the other interior features
LS500_OM_OM50F54U_(U) 5
Interior features 3 Press and hold the desired Home-
Link ®
button (inside the vehicle)
for 2 seconds and release it. Repeat
this sequence (press/hold/release)
up to 3 times to complete pro-
gramming.
If the garage door opener motor
operates when the HomeLink ®

button is pressed, the garage door
opener motor recognizes the
HomeLink ®
signal.
■
Enabling 2-way communication
with a garage door (only available
for compatible devices)
When enabled, 2-way communication
allows you to check the status of the
opening and closing of a garage door
through indicators in your vehicle.
2-way communication is only available
if the garage door opener motor used
is a compatible device. (To check
device compatibility, refer to
www.homelink.com.)
1 Within 5 seconds after program-
ming the garage door opener has
been completed, if the garage door
opener motor is trained to Home-
Link ®
, both garage door operation
indicators will flash rapidly (green)
and the light on the garage door opener motor will blink twice, indi-
cating that 2-way communication is
enabled. If the indicators do not flash, perform 2 and
3 within the first 10 presses of the Home-
Link ®
button after programming has been
completed.
2 Press a programmed HomeLink ®

button to operate a garage door.
3 Within 1 minute of pressing the
HomeLink ®
button, after the
garage door operation has
stopped, press the “Learn” or
“Smart” button on the garage door
opener motor. Within 5 seconds of
the establishment of 2-way com-
munication with the garage door
opener, both garage door opera-
tion indicators in the vehicle will
flash rapidly (green) and the light
on the garage door opener motor
will blink twice, indicating that
2-way communication is enabled. ■
Reprogramming a single Home-
Link ®
button
When the following procedure is per-
formed, buttons which already have
devices registered to them can be
overwritten:
1 With one hand, press and hold the
desired HomeLink ®
button.
2 When the HomeLink ®
indicator
starts flashing (orange), continue to
hold the HomeLink ®
button and
perform “Programming Home-
Link ®
” 1 (it takes 20 seconds for

4377-2. Steps to take in an emergency
LS500_OM_OM50F54U_(U) 7
When trouble arises ■
Key linked functions
1 Closes the windows and the moon
roof *
or panoramic moon roof *

(turn and hold)
2 Opens the windows and the moon
roof *
or panoramic moon roof *

(turn and hold)These settings must be customized at your
Lexus dealer. *
:If equipped 1 Depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the engine switch. When the electronic key is detected, a
buzzer sounds and the engine switch will
turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in custom-
ization setting, the engine switch will turn
to ACCESSORY mode.
3 Firmly depress the brake pedal and
check that is shown on the
multi-information display.
4 Press the engine switch.
In the event that the engine still cannot
be started, contact your Lexus dealer. ■
Stopping the engine
Set the parking brake, shift the shift position
to P and press the engine switch as you nor-
mally do when stop ping the engine.
■
Electronic key battery
As the above procedure is a temporary
measure, it is recommended that the elec-
tronic key battery be replaced immediately
when the battery is depleted. ( → P.403)
■
Changing engine switch modes
Release the brake pe dal and press the
engine switch in step 3 above. The engine
does not start and modes will be changed
each time the switch is pressed. ( → P.162)WARNING
■
When using the mechanical key and
operating the power windows or the
moon roof or panoramic moon roof
Operate the power window or the moon
roof or panoramic moon roof after
checking to make sure that there is no
possibility of any passe nger having any of
their body parts caught in the window or
the moon roof or panoramic moon roof.
Also, do not allow ch ildren to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or the moon roof or
panoramic moon roof. Starting the engine

506 Alphabetical Index
LS500_OM_OM50F54U_(U) Seat ventilators ............................................. 326
Seating capacity............................................ 158
Seats
Adjustment............................................. 116, 123
Adjustment precautions ............................ 116
Child seats/child restraint system installa-
tion .................................................................... 45
Cleaning.........................................................365
Driving position memory......................... 127
Front seat refresh system...........................121
Head restraints ............................................. 132
Power easy access system ..................... 127
Properly sitting in the seat .........................23
Rear seat relaxation system.................... 126
Seat heaters .................................................. 326
Seat position memory .......................127, 131
Seat ventilators............................................ 326
Secondary Collision Brake ..................... 294
Sensor
Automatic headlight system................... 175
Automatic High Beam system..............178
Inside rear view mirror..............................136
Intuitive parking assist.............................. 257
LKA (Lane-Keeping Assist)................... 231
LTA (Lane Tracing Assist)...................... 221
Parking Support Brake function
(rear-crossing vehicles)...................... 282
Parking Support Brake function (static
objects)........................................................ 278
Radar sensor.......................... 188, 195, 252
Rain-sensing windshield wipers............ 181
RCTA .............................................................. 265
Service reminder message ..................... 368
Shift lever
Automatic transmission ............................163
Shift lever light .............................................. 330
Shopping bag hooks .................................. 339
Side airbags ...................................................... 29
Side marker lights
Light switch ..................................................... 175
Replacing light bulbs............................... 408 Side mirrors
Adjustment ......................................................137
BSM (Blind Sport Monitor)................... 251
Folding.............................................................. 138
Linked mirror functi on when reversing
............................................................................137
Mirror position memory ........................... 127
RCTA function ............................................ 264
Side turn signal lights
Replacing light bulbs ............................... 408
Turn signal lever .......................................... 169
Side windows ..................................................139
Smart access system with push-button
start
Antenna location ......................................... 107
Entry functions ................................................ 96
Starting the engine ..................................... 160
Snow mode ...................................................... 167
Snow tires ....................................................... 299
Spark plug ........................................................451
Specifications ................................................ 448
Speedometer ........................................... 69, 72
Steering lock
Column lock release ................................. 160
Steering lock system warning message
........................................................................... 160
Steering wheel
Adjustment ..................................................... 135
Heated steering wheel ............................326
Meter control switches ...............................77
Power easy access system ..................... 127
Steering wheel position memory......... 127
Stop lights
Replacing light bulbs ............................... 408
Storage features .......................................... 334
Stuck
If the vehicle becomes stuck ................446
Suggestion function....................................... 82
Sun visors ........................................................ 345
Sunshade
Roof.....................................................................142