2021 LEXUS LS500 ignition

4598-1. Specifications
8
Vehicle specifications
containers to help you select the oil you
should use.
Cooling system
Capacity (Reference)
Engine
2WD models: 11.2 qt. (10.6 L, 9.3 Imp. qt.)
AWD models: 11.1 qt. (10.5 L, 9.2 Imp. qt.)
Intercooler
4.5 qt. (4.3 L, 3.8 Imp. qt.)
Coolant type
Use either of the following:
 “Toyota Super Long Life Coolant”
 Similar high-quality ethylene glycol-based non-silicate,
non-amine, non-nitrite, and non-borate coolant with
long-life hybrid orga nic acid technology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO EC22HPR-D7
Gap0.028 in. (0.7 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

504What to do if... (Troubleshooting)
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.441)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.441)
 Is the electronic key battery weak or
depleted? ( P.410)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.177)
 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.115)
 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.105)
 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.111)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.174)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.114)
 Is the steering wheel unlocked?
( P.174)
 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

505What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. (P.443)
Is the battery discharged?
( P.444)
 It is locked automatically to prevent
theft of the vehicle. ( P.174)
 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.155)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY mode for a period of
time. ( P.177)
 The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( P.430)
 The parking brake indicator is on
Is the parking brake released? ( P.186)
Depending on the situation, other
types of warning buzzer may also sound. (
P.427, 436)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.66)
Do one of the following to deactivate
or stop the alarms:
 Except for Canada: Unlock the
doors.
 Except for Canada: Open the trunk.
 For Canada: Unlock the doors or
open the trunk using the entry func-
tion or wireless remote control.
 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.436)
 When a warning light turns on or a
warning message is displayed, refer
to P.427, 436.
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

510Alphabetical Index
If a warning light turns on ...................... 427
If a warning message is displayed..... 436
If the battery is discharged .................... 444
If the electronic key does not operate properly....................................................... 442
If the engine will not start ....................... 439
If the fuel filler door cannot be opened ........................................................................... 441
If the vehicle is trapped in rising water ...........................................................................419
If you have a flat tire ..................................438
If you lose your keys................................... 441
If you think something is wrong ......... 425
If your vehicle becomes stuck............. 452
If your vehicle has to be stopped in an
emergency ................................................. 418
If your vehicle needs to be towed ....... 421
If your vehicle overheats ........................ 449
Engine ACCESSORY mode ............................... 177
Compartment .............................................383
Engine compartment cover .................384
Engine cover................................................384
Engine switch................................................. 174
Fuel pump shut off system .................... 426
Hood................................................................. 381
How to start the engine............................ 174
Identification number ............................... 457
If the engine will not start ....................... 439
If your vehicle has to be stopped in an
emergency ................................................. 418
Ignition switch (engine switch) ............. 174
Overheating................................................. 449
Tachometer ............................................ 75, 78
Engine compartment cover .................... 384
Engine coolant Capacity .........................................................459
Checking ...................................................... 388
Preparing and checking before winter.........................................................................309
Engine coolant temperature gauge 75, 78
Engine cover ................................................. 384 Engine immobilizer system ........................ 64
Engine oil
Capacity ........................................................ 458
Checking ...................................................... 386
Preparing and checking before winter......................................................................... 309
Warning light ...............................................428
Engine oil maintenance data .................. 387
Engine switch .................................................. 174 Auto power off function............................ 177
Changing the engine switch modes .. 177
If your vehicle has to be stopped in an emergency .................................................. 418
EPS (Electric Power Steering) .............. 304 Warning light .............................................. 430
Event data recorder (E DR) ........................... 8
F
FCTA (Front Cross Traffic Alert) ......... 235
First-aid kit storage belt ............................350
Flat tire
Tire pressure warning system ............ 395
Floor mats ...........................................................22
Fluid Automatic transmission ......................... 460
Brake ................................................................. 461
Washer .......................................................... 390
Footwell light ................................................. 340
Front automatic air conditioning system .......................................................................... 323
Front Cross Traffic Alert (FCTA) ......... 235
Front passenger occupant classification system .............................................................. 40
Front seats Adjustment ....................................................... 121
Cleaning ...........................................................371
Correct driving posture ............................ 23
Driving position memory ........................ 133
Head restraints............................................. 138
Memory recall function............................ 135
Power easy access system .................... 133
Refresh system ..............................................126

512Alphabetical Index
Ignition switch (engine switch)................. 174Auto power off function ........................... 177
Changing the engine switch modes.. 177
If your vehicle has to be stopped in an
emergency ................................................. 418
Indicators ............................................................72
Initialization Items to initialize .........................................490
Maintenance .................................... 374, 387
Power windows............................................153
Tire pressure warning system .............399
Inside door handle lights .......................... 340
Inside rear view mirror ...................... 142, 143
Instrument panel light control .............77, 81
Intercooler...................................................... 389
Intercooler coolant Capacity .........................................................459
Checking ...................................................... 388
Interior lights.................................................. 340 Front interior light ......................................340
Rear interior light .......................................340
Intuitive parking assist....................... 271, 272 Function ...........................................................272
Warning message......................... 274, 288
J
JackPositioning a floor jack............................. 381
Jam protection function Electronic roof sunshade........................ 160
Moon roof ...................................................... 156
Panoramic moon roof.............................. 160
Power trunk opener and closer .............. 111
Power windows............................................153
Rear door sunshade ................................356
K
Keyless entrySmart access system with push-button start ................................................................... 113
Wireless remote control......................... 100 Keys
Battery-saving function.............................. 114
Electronic key .................................................98
Engine switch .................................................174
If the electronic key does not operate properly ....................................................... 442
If you lose your keys ...................................441
Key number plate .........................................98
Keyless entry .........................................102, 113
Mechanical key ..............................................98
Replacing the battery ................................ 410
Warning buzzer ............................................ 114
Wireless remote control .........................100
Knee airbags .................................................... 29
L
Lane change assist function .................... 238
Lane Tracing Assist (LTA) Operation ......................................................238
Warning messages.................................. 250
Language (multi-information display) ... 87
LATCH anchors ............................................. 53
LDH (Lexus Dynamic Handling system) ..........................................................................305
Lever Auxiliary catch lever .................................. 381
Hood lock release lever .......................... 381
Internal trunk release lever......................... 111
Shift lever ......................................................... 178
Turn signal lever .......................................... 185
Wiper lever .................................................... 196
Lexus climate concierge ............................321
Lexus Dynamic Handling system (LDH) ..........................................................................305
Lexus Enform Safety Connect.................. 58
Lexus Safety System + 2.0 AHB (Automatic High Beam) ............. 193
Dynamic radar cruise control with full-speed range ......................................254
LTA (Lane Tracing Assist) ....................238
PCS (Pre-Collision System) ................ 227
RSA (Road Sign Assist)........................... 251

517Alphabetical Index
SunshadeRoof ................................................................... 156
Switches Activating the Automatic High Beam193
Automatic High Beam system..............193
Brake Hold switch ..................................... 188
Digital Rearview Mi rror control switches
...........................................................................143
Door lock switches .................................... 104
Driving mode select switch .................. 299
Driving position memory switches .....133
Dynamic radar cruise control with full-speed range switch ....................... 254
Electronic roof sunshade switches .... 158
Emergency flashers switch .................... 418
Engine switch................................................. 174
Garage door opener switches ..........360
Heated steering wheel switch............. 336
HUD (Head-up display) switch.............. 91
Ignition switch................................................ 174
Instrument panel light control switches ..................................................................... 77, 81
Light switches ............................................... 190
LTA (Lane Tracing As sist) switch..... 244
Meter control switches .............................. 83
Moon roof switches .................................. 156
“ODO TRIP” switch ............................. 76, 81
Outside rear view mirror switches ...... 151
Paddle shift switches ....................... 182, 183
Panoramic moon roof switches .......... 158
Parking brake switch ................................ 186
PCS OFF switch ........................................ 230
PKSB (Parking Support Brake) switch .........................................................................285
Power door lock switch .......................... 104
Power window switches ..........................153
RCD (Rear Camera Detection) switch ...........................................................................281
Rear door sunshade switch..................356
Rear seat heater ......................................... 333
Rear seat position memory switches. 137
Rear seat ventilator ................................... 333 Rear sunshades switch........................... 358
Rear window and outside rear view mir-
ror defoggers switch ............................ 323
Seat heater switches.................................336
Seat ventilator switches ..........................336
Snow mode switch..................................... 182
“SOS” button...................................................58
Tilt and telescopic steering control switch ............................................................................. 141
Tire pressure warning reset switch.. 399
Trunk closer switch ...................................... 110
Trunk opener main switch........................ 112
Trunk opener switch ................................. 108
Vehicle-to-vehicle distance switch...254
VSC OFF switch ...................................... 305
Window lock switch.................................. 155
Windshield wiper and washer switch196
Windshield wiper de-icer switch.......328
T
Tachometer............................................... 75, 78 Rev indicator .................................................. 80
Rev peak........................................................... 80
Tail lights Light switch .................................................... 190
Replacing light bulbs ................................. 416
Theft deterrent system Alarm...................................................................66
Engine immobilizer system...................... 64
Tire inflation pressure Maintenance data ...................................... 462
Tire inflation pressure display function......................................................................... 395
Warning light .................................................431
Tire information .............................................467 Glossary .........................................................470
Size ................................................................... 468
Tire identification number..................... 468
Uniform Tire Quality Grading ............469
Tire pressure display ... ............................... 395
Tire pressure warning system Function ......................................................... 395