2020 Lexus ES350 check engine light

3747-2. Steps to take in an emergency
The battery terminal connections
may be loose or corroded.
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine.
One of the following may be the cause
of the problem:
 One or both of the battery terminals
may be disconnected.
 The battery may be discharged.
( P.378)
 There may be a malfunction in the
steering lock system.
Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally: 1
Press the parking brake switch to
check that the parking brake is set.
(P.152)
Parking brake indicator will come on.
2 Shift the shift lever to P.
3 Turn the engine switch to ACCES-
SORY mode.
4 Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by your Lexus dealer.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the engine in an emer-
gency

3908-1. Specifications
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
*1: Minimum pedal clearance when depressed with a force of 67.4 lbf (300 N, 30.6 kgf)
while the engine is running.
When performing the brake pedal inspection, also be sure to check that the brake sys-
tem warning light is not illuminated when th e engine is running. (If the brake system
warning light is illuminated, refer to P.352.)
*2: Make sure to confirm that the brake system wa rning light (yellow) does not illuminate. (If
the brake system warning light illuminates, refer to P.356.) NOTICE
■Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may ca use deterioration in
shift quality, locking up of your transmission accompanied by vibration, and ultimately
damage the transmission of your vehicle.
Brakes
Pedal clearance*13.2 in. (81 mm) Min.
Pedal free play0.04  0.24 in. (1.0  6.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake indicator*2
When pushing the parking brake switch for
1 to 2 seconds: comes on
When pulling the parking brake switch for 1
to 2 seconds: turns off
Fluid typeFMVSS No.116 DOT 3 or SAE J1703
FMVSS No.116 DOT 4 or SAE J1704
Steering
Free playLess than 1.2 in. (30 mm)

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

444Alphabetical index
Brake Override System ......................... 354
Brake system ............................................... 352
Charging system ....................................... 353
Downshifting ........................................ 150, 151
Drive-Start Control .................................. 354
Electric power steering .......................... 354
Engine ............................................................. 353
High coolant temperature .................... 352
Intuitive parking assist....................217, 356
Low engine oil pressure......................... 353
LTA (Lane Tracing Assist)......... 182, 356
Open door.............................................. 96, 98
Open hood...................................................... 98
Open trunk ...................................................... 98
Open window ...............................................125
PKSA (Parking Support Alert) ...............211
PKSB (Parking Support Brake) ......... 357
Pre-collision braking.................................. 175
RCD (Rear Camera Detection) ........ 357
RCTA (Rear Cross Traffic Alert) ...... 357
Seat belt ..........................................................355
Warning lights............................................... 352 ABS .................................................................. 354
Brake hold operated indicator ...........359
Brake Override System ......................... 354
Brake system ............................................... 352
Charging system ....................................... 353
Drive-Start Control .................................. 354
Electric power steering .......................... 354
High coolant temperature .................... 352
Intuitive parking assist OFF indicator.........................................................................356
Low engine oil pressure......................... 353
Low fuel level ...............................................355
LTA indicator ...............................................356
Malfunction indicator lamp................... 353
Master warning light ................................359
Parking brake indicator ......................... 358
PKSB OFF indicator ................................ 357
Pre-collision system ................................ 358
RCD OFF indicator ................................. 357
RCTA OFF indicator............................... 357 Seat belt reminder light.......................... 355
Slip indicator ................................................ 358
SRS ....................................................................353
Tire pressure ............................................... 356
Warning messages ..................................... 362
Washer ............................................................... 161 Checking ........................................................ 319
Preparing and checking before winter..........................................................................248
Switch.................................................................. 161
Washing and waxing..................................300
Weight Cargo capacity .............................................. 141
Load limits ........................................................ 141
Weight............................................................ 386
Wheel lock key............................................. 367
Wheels ...............................................................331 Size ..................................................................... 391
Window lock switch .....................................125
Windows ........................................................... 124 Power windows ............................................124
Rear window defogger.......................... 260
Washer .............................................................. 161
Windshield wiper de-icer ........................ 263
Windshield wipers ......................................... 161 Position............................................................. 165
Rain-sensing windshield wipers ............ 161
Winter driving tips....................................... 248
Wireless charger ......................................... 279
Wireless remote control ............................. 93 Battery-Saving Function.......................... 107
Locking/Unlocking ..................................... 93
Replacing the battery ...............................334
For information regarding the equipment listed below, refer to
the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S
MANUAL”.