2020 Lexus ES350 ignition

3898-1. Specifications
8
Vehicle specifications
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
■Spark plug
Cooling system
Capacity*9.1 qt. (8.6 L, 7.6 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 organic acid technology
Do not use plain water alone.
Ignition system
MakeDENSO FK20HBR8
Gap0.031 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system (battery)
Open voltage at 68°F (20°C):12.3 V or higher
(Turn the engine switch off and turn on the high beam
headlights for 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Automatic transmission
Fluid capacity*7.9 qt. (7.5 L, 6.6 Imp.qt.)
Fluid typeToyota Genuine ATF WS

4148-2. Customization
switch or the Center Display. If a setting is
changed using a switch, the changed set-
ting will not be reflected on the Center
Display until the engine switch is turned
off and then to IGNITION ON mode.
■Clock settings screen
If the clock adjustment screen is displayed
continuously when attempting to change
the clock settings, the system may be mal-
functioning. Have the vehicle inspected by
your Lexus dealer.

430What 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.375)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.375)
 Is the electronic key battery weak or
depleted? ( P.334)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.146)
 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.107) 
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.98)
 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.103)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.143)
 Is the shift lever in P? ( P.147)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.106)
 Is the steering wheel unlocked?
( P.144)
 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 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

431What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. ( P.377)
Is the battery discharged?
( P.378)
 Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever
by depressing the brake pedal with
the engine switch in IGNITION ON
mode ( P.149)
 It is locked automatically to prevent
theft of the vehicle. ( P.144)
 Is the window lock switch pressed?
The power window at the except for the
one at the driver’s seat cannot be operated
if the window lock switch is pressed.
( P.125)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.146) 
The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.355, 355)
 The parking brake indicator is on
Is the parking brake released? ( P.152)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.352, 362)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.63)
To stop the alarm, turn the engine
switch to IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.362)
 When a warning light turns on or a
warning message is displayed, refer
to P.352, 362.
The shift lever cannot be shifted
from P even if you depress the
brake pedal
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

436Alphabetical index
If the engine will not start ....................... 373
If your vehicle has to be stopped in an
emergency ................................................ 344
Ignition switch (engine switch) ............. 143
Overheating.................................................. 381
Tachometer .............................................70, 73
Engine coolant................................................316 Capacity .........................................................389
Checking .........................................................316
Preparing and checking before winter......................................................................... 248
Engine coolant temperature gauge 70, 73
Engine immobilizer system .......................... 61
Engine oil ..........................................................314 Capacity ........................................................ 388
Checking ......................................................... 314
Preparing and checking before winter......................................................................... 248
Warning light ...............................................353
Engine oil maintenance data ....................316
Engine switch ..................................................143 Auto power off function ...........................146
Changing the engine switch modes..146
If your vehicle has to be stopped in an
emergency ................................................ 344
Starting the engine ......................................143
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 244
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 244
EPS (Electric Power Steering) .............. 244 Function .......................................................... 244
Warning light ............................................... 354
Event data recorder (EDR) ............................7
F
Flat tire ............................................................. 366 Tire pressure warning system ............. 323
Floor mats ...........................................................22
Fluid Automatic transmission ..........................389
Brake................................................................390 Washer ............................................................ 319
Footwell light ................................................. 270
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 113 Adjustment ....................................................... 113
Cleaning ........................................................ 303
Correct driving posture ............................ 23
Driving position memory .......................... 114
Head restraints............................................... 117
Memory recall function.............................. 115
Power easy access system ...................... 114
Seat heaters ..................................................266
Seat position memory ................................ 114
Seat ventilators ............................................266
Front side marker light ................................156 Light switch .................................................... 156
Front side marker lights Replacing light bulbs ................... 339, 340
Front turn signal lights .................................. 151 Replacing light bulbs ................... 339, 340
Turn signal lever ............................................ 151
Fuel ...................................................................... 167
Capacity .........................................................387
Fuel gauge ............................................... 70, 73
Fuel pump shut off system...................... 351
Information ....................................................393
Refueling...........................................................167
Type ..................................................................387
Warning light .............................................. 355
Fuel consumption Average fuel economy .............................. 79
Current fuel consumption ........................ 79
Fuel filler door ................................................. 167 If the fuel filler do or cannot be opened
..........................................................................375
Refueling...........................................................167
Fuel gauge ................................................. 70, 73
Fuel pump shut off system..........................351
Fuses ................................................................. 336

437Alphabetical index
G
Garage door opener ................................. 289
Gauges ....................................................... 70, 73
Gear Position.....................................................81
G-force.................................................................81
Glove box ........................................................274
Glove box light ..............................................274
Grocery bag hooks .....................................276
H
Hands Free Power Trunk Lid ...................102
Headlights ........................................................156Adaptive Front-lighting System (AFS).......................................................................... 158
Automatic High Beam system............. 159
Light switch .................................................... 156
Replacing light bulbs................................ 339
Headlights aim .............................................. 338
Head restraints ................................................ 117
Head-up display.............................................. 84 Driving information display area........... 84
Driving support system display area .. 86
Eco Driving Indicator ................................. 87
HUD (Head-up display) switch............85
Navigation system-linked display ........ 84
Pop-up display............................................... 86
Settings .............................................................. 85
Heated steering wheel .............................. 266
Heaters Air conditioning system.......................... 259
Heated steering wheel............................ 266
Outside rear view mirrors ....................260
Seat heaters .................................................. 266
High mounted stoplight Replacing light bulbs................................ 339
Hill-start assist control ............................... 244
Hood ...................................................................312 Open ................................................................. 312
Hooks Cargo hooks................................................ 276
Coat hooks ...................................................288 Grocery bag hooks.................................. 276
Retaining hooks (floor mat) ..................... 22
Horn ....................................................................120
HUD (Head-up display) switch ................ 85
I
I/M test ............................................................ 309
Identification Engine..............................................................387
Vehicle ........................................................... 386
Ignition switch (engine switch).................143 Auto power off function........................... 146
Changing the engine switch modes . 146
If your vehicle has to be stopped in an emergency ................................................. 344
Starting the engine ......................................143
Immobilizer system.......................................... 61
Indicators ........................................................... 68
Initialization Items to initialize .......................................... 415
Maintenance......................................305, 316
Power windows ............................................124
Tire pressure warning system .............326
Inside rear view mirror ................................120
Instrument panel light control ............72, 76
Interior lights.................................................. 270
Intuitive parking assist......................... 210, 211 Function ............................................................. 211
Warning message .......................................214
J
JackPositioning a floor jack ..............................312
Vehicle-equipped jack ........................... 367
Jack handle .................................................... 367
Jam protection function Electronic roof sunshade ........................ 130
Moon roof ....................................................... 127
Panoramic moon roof .............................. 130
Power trunk opener and closer .......... 103
Power windows ............................................124

442Alphabetical index
Steering wheel ................................................. 119Adjustment....................................................... 119
Heated steering wheel............................ 266
Meter control switches .............................. 78
Power easy access system .......................114
Steering wheel position memory ..........114
Stop lights Replacing light bulbs................................ 339
Storage feature ............................................ 273
Stuck If the vehicle becomes stuck................383
Suggestion function....................................... 83
Sunshade Roof .......................................................... 127, 129
Sun visors .........................................................277
Switches “ODO TRIP”switch ...............................71, 76
“SOS” button .................................................. 54
Automatic High Beam system............. 159
Brake Hold switch ......................................154
BSM (Blind Spot Monitor) switch .... 203
Door lock switches ...................................... 97
Driving Mode Select switch .................208
Driving position memory switches .......114
Dynamic radar cruise control with full-speed range switch .................................194
Electronic roof sunshade switches ..... 129
Emergency flashers switch ................... 344
Engine switch................................................. 143
Garage door opener switches ..........289
Heated steering wheel switch............. 266
HUD (Head-up display) switch............85
Ignition switch................................................143
Instrument panel light control switches .................................................................... 72, 76
Intuitive parking assist switch................. 212
Light switches ............................................... 156
LTA (Lane Tracing Assist) switch.......187
Meter control switches .............................. 78
Moon roof switches ................................... 126
Outside rear view mirror switches .......121
Paddle shift switches ................................. 150 Panoramic moon roof switches ...........129
Parking brake switch................................. 152
PCS OFF switch .......................................... 177
PKSB (Parking Support Brake) switch
.......................................................................... 226
Power door lock switch ............................ 97
Power window switches ..........................124
RCD (Rear Camera Detection) switch .......................................................................... 222
RCTA switch ................................................. 218
Rear sunshades switch........................... 286
Rear window and outside rear view mir- ror defoggers switch ............................259
Seat heater switches.................................266
Seat ventilator switches ..........................266
Tilt and telescopic steering control switch ............................................................................. 119
Tire pressure warning reset switch...326
Trunk closer switch .................................... 102
Trunk opener main switch...................... 105
Trunk opener switch ................................... 101
Vehicle-to-vehicle distance switch.... 194
VSC OFF switch .......................................245
Window lock switch.................................. 125
Windshield wiper and washer switch 161
Windshield wiper de-icer switch.......263
T
Tachometer............................................... 70, 73 Rev indicator ................................................... 75
Rev peak............................................................ 75
Tail lights............................................................156 Light switch .................................................... 156
Replacing light bulbs ................................339
Theft deterrent system Alarm................................................................... 63
Engine immobilizer system........................61
Tire inflation pressure ................................ 329 Maintenance data ....................................... 391
Tire inflation pressure display function.......................................................................... 323
Warning light .............................................. 356