2019 LEXUS LS500 brake

4778-2. Customization
LS500_OM_(U)_1810 8
Vehicle specifications ■
PKSB (Parking Support Brake) *
(  P.270)*
:If equipped ■
Driving mode select switch (  P.289)*
:If equipped ■
Electronically modulated air suspension *
(  P.291)
*
:If equipped
■
Automatic air conditioning system (  P.313)Function Default setting Customized set-
ting
PKSB (Parking Support
Brake) function On Off — O — —
Function Default setting Customized set-
ting
Powertrain control in custom
mode *
Normal Power
O — — —
Eco
Chassis control in custom
mode *
Normal Sport
O — — —
Comfort
Air conditioning operation in
custom mode *
Normal Eco O — — —
Function Default setting Customized set-
ting
Vehicle height control On Off — O — —
Ingress/egress height control
function On Off — O — —
Vehicle height when parked Normal High — O — —
Function Default setting Customized set-
ting
A/C auto switch operation On Off O — — O
Exhaust gas sensor sensitivity Standard -3 to 3 O — — O A B C D
A B C D
A B C D
A B C D

4818-3. Initialization
LS500_OM_(U)_1810 8
Vehicle specifications 8-3.Initialization
*
:If equippedItems to initialize The following items must be initialized for normal system operation after such
cases as the battery being reconnected, or maintenance being performed on
the vehicle:
List of items to initialize Item When to initialize Reference
PKSB (Parking Support
Brake) *
• After reconnecting or changing the
battery P.274
Message indicating
maintenance is
required • After maintenance is performed P.364
Oil maintenance • After maintenance is performed P.377
Tire pressure warning
system • When the tire inflation pressure is
changed, such as when changing trav-
eling speed or load weight.
• When the tire inflation pressure is
changed, such as when the tire size is
changed.
• When rotating the tires.
• After performing the transmitter ID
code registration procedure. P.388
Lexus parking assist
monitor *
• Battery has been reinstalled.
• The steering wheel has been moved
while the battery was being reinstalled.
• Battery power is low. Refer to the “NAVI-
GATION AND MUL-
TIMEDIA SYSTEM
OWNER’S MAN-
UAL”.
Panoramic view moni-
tor *
• Battery has been reinstalled.
• The steering wheel has been moved
while the battery was being reinstalled.
• Battery power is low. Refer to the “NAVI-
GATION AND MUL-
TIMEDIA SYSTEM
OWNER’S MAN-
UAL”.

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

4951-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 495What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. ( 
P.434 )
 Is the battery discharged?
(  P.435)
 It is locked automatically to prevent
theft of the vehicle. (  P.164)
 Is the window lock switch pressed? The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( 
P.144 )
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY mode for a period of
time. (  P.166)
 The seat belt reminder light is flash-
ing Are the driver and the front passenger
wearing the seat belts? ( 
P.418 )
 The parking brake indicator is on Is the parking brake released? ( 
P.174 )
Depending on the situation, other
types of warning buzzer may also sound. (  P.415, 425)
 Did anyone inside the vehicle open
a door during setting the alarm? The sensor detects it and the alarm sounds.
( 
P.65 )
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine. (The alarm will be
deactivated or stopped after a few
seconds.)
 Is the message displayed on the
multi-information display? Check the message on the multi-informa-
tion display. ( 
P.425 )
 When a warning light turns on or a
warning message is displayed, refer
to P.415, 425.The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
driving An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

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

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

500 Alphabetical Index
LS500_OM_(U)_1810 If the electronic key does not operate
properly....................................................... 433
If the engine will not start .......................430
If the fuel filler door cannot be opened
......................................................................... 432
If the vehicle is trapped in rising water
......................................................................... 407
If you have a flat tire .................................. 429
If you lose your keys................................. 432
If you think something is wrong ........... 413
If your vehicle becomes stuck............. 443
If your vehicle has to be stopped in an
emergency ................................................406
If your vehicle needs to be towed .....409
If your vehicle overheats ........................440
Engine
ACCESSORY mode ...............................166
Compartment ............................................. 373
Engine compartment cover ................. 374
Engine switch.................................................164
Fuel pump shut off system ...................... 414
Hood.................................................................. 371
How to start the engine............................164
Identification number ............................... 447
If the engine will not start .......................430
If your vehicle has to be stopped in an
emergency ................................................406
Ignition switch (engine switch) .............164
Overheating.................................................440
Tachometer ............................................. 73, 76
Engine compartment cover .................... 374
Engine coolant
Capacity ......................................................... 449
Checking ........................................................377
Preparing and checking before winter
........................................................................ 300
Engine coolant temperature gauge 73, 76
Engine immobilizer system ........................ 63
Engine oil
Capacity .........................................................448
Checking ....................................................... 375 Preparing and checking before winter
......................................................................... 300
Warning light ................................................ 416
Engine oil maintenance data ...................377
Engine switch ..................................................164
Auto power off function........................... 166
Changing the engine switch modes . 166
If your vehicle has to be stopped in an
emergency ................................................ 406
EPS (Electric Power Steering) .............. 295
Warning light ................................................ 418
Event data recorder (E DR) ............................7 F
FCTA (Front Cross Traffic Alert) ......... 222
First-aid kit storage belt ..............................341
Flat tire
Tire pressure warning system ............ 384
Floor mats ...........................................................22
Fluid
Automatic transmission ......................... 450
Brake ................................................................. 451
Washer ........................................................... 379
Footwell light ...................................................331
Front automatic air conditioning system
............................................................................313
Front Cross Traffic Alert (FCTA) ......... 222
Front passenger occupant classification
system .............................................................. 40
Front seats
Adjustment ....................................................... 119
Cleaning .......................................................... 361
Correct driving posture ............................ 23
Driving position memory ........................ 130
Head restraints............................................. 135
Memory recall function............................ 133
Power easy access system .................... 130
Refresh system ..............................................124
Seat heaters ..................................................326
Seat position memory .............................. 130
Seat ventilators ............................................326

504 Alphabetical Index
LS500_OM_(U)_1810 N
Navigation system-linked display.... 84, 87
Noise from under vehicle ...............................6 O
“ODO TRIP” switch ...............................74, 79
Odometer ..................................................74, 79
Odometer and trip meter display
Display items ........................................... 74, 79
“ODO TRIP” switch ............................ 74, 79
Pop-up display.......................................75, 79
Oil
Engine oil .......................................................448
Front differential oil ...................................450
Rear differential oil ......................................451
Opener
Fuel filler door............................................... 189
Hood.................................................................. 371
Trunk ................................................................. 106
Outer foot lights
Location............................................................331
Outside door handle lights........................331
Outside rear view mirrors
Adjustment..................................................... 140
BSM (Blind Sport Monitor) .................250
Folding ................................................................141
Linked mirror functi on when reversing
.......................................................................... 140
Mirror position memory.......................... 130
Outside rear view mirror defoggers
...........................................................................314
RCTA function ............................................ 263
Outside temperature.............................73, 76
Overheating .................................................. 440
P
Paddle shift switches ............................171, 172
Panic mode ....................................................... 98
Panoramic moon roof
Jam protection function............................149 Operation ........................................................147
Parking assist sensors (intuitive parking
assist) ............................................................. 257
Parking brake
Operation ........................................................174
Parking brake engaged warning buzzer
............................................................................176
Warning light ............................................... 422
Warning message .......................................176
Parking lights
Light switch .....................................................179
Replacing light bulbs ............................... 404
Parking Support Brake function (for
rear-crossing vehicles) .......................... 282
Function ..........................................................282
Parking Support Brake function (rear
pedestrians) .....................................270, 286
Function ......................................................... 286
Parking Support Brake function
(rear-crossing vehicles)......................... 270
Parking Support Brake function (static
objects) .............................................. 270, 276
Function .......................................................... 276
PCS (Pre-Collision System)
Function ............................................... 204, 215
PCS OFF switch .............................. 207, 217
Warning light .................................................421
Personal lights.................................................331
PKSA (Parking Support Alert) .............. 255
PKSB (Parking Support Brake)............. 270
Warning message ..................................... 274
Pop Up Hood................................................... 38
Power easy access system ....................... 130
Power outlets ................................................ 345
Power rear seat ..............................................126
Power steering (Elect ric power steering
system) .......................................................... 295
Warning light ................................................ 418
Power trunk opener and closer ............. 106
Power windows
Door lock linked window operation ..143
Jam protection function ............................142