2021 LEXUS ES300h brake fluid

3647-2. Steps to take in an emergency
Fluid leaks under the vehicle.
(Water dripping from the air condi-
tioning after use is normal.)
 Flat-looking tires or uneven tire
wear
 Engine coolant temperature gauge
continually points higher than nor-
mal.
 Changes in exhaust sound
 Excessive tire squeal when corner-
ing
 Strange noises related to the sus-
pension system
 Pinging or other noises related to
the hybrid system
 Engine missing, stumbling or run-
ning roughly
 Appreciable loss of power
 Vehicle pulls heavily to one side
when braking 
Vehicle pulls heavily to one side
when driving on a level road
 Loss of brake effectiveness, spongy
feeling, pedal almost touches the
floor
If you think something is
wrong
If you notice any of the following
symptoms, your vehicle probably
needs adjustment or repair. Con-
tact your Lexus dealer as soon as
possible.
Visible symptoms
Audible symptoms
Operational symptoms

3657-2. Steps to take in an emergency
7
When trouble arises
■Brake system warning light (warning buzzer)
■Brake system warning light (warning buzzer)
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, bu t then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
or
(red)
(Canada)
Indicates that:
 The brake fluid level is low; or
 The brake system is malfunctioning
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to driv e the vehicle may be dangerous.
Warning lightDetails/Actions
(yellow)
Indicates a malfunction in:
The regenerative braking system;
 The electronically controlled brake system; or
 The parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
Indicates that the engine coolant temperature is too high
Immediately stop the vehicle in a safe place.
Handling method ( P.396)

4068-1. Specifications
■Spark plug
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
Ignition system
MakeDENSO FC16HR-Q8
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 (12-volt battery)
Open voltage at 68°F (20°C):12.0 V or higher
(Turn the power switch off and turn on the high beam
headlights for 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Hybrid transmission
Fluid capacity*4.1 qt. (3.9 L, 3.4 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than the above type may cause abnormal noise or vibra-
tion, or ultimately damage the transmission of your vehicle.
Brakes
Pedal clearance*13.3 in. (85 mm) Min.
Pedal free play0.04  0.24 in. (1.0  6.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)

4078-1. Specifications
8
Vehicle specifications
*1: Minimum pedal clearance when depressed with a force of 67.4 lbf (300 N, 30.6 kgf)
while the hybrid system is operating.
When performing the brake pedal inspection, also be sure to check that the brake sys-
tem warning light is not illuminated when the hybrid system is operating. (If the brake
system warning light is illuminated, refer to P.365.)
*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.365.)
Type A
*1: 99 mph (160 km/h) or less
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)
Tires and wheels
Tire size215/55R17 94V, T155/70D17 110M
Tire inflation pressure
(Recommended cold tire inflation pressure)
Front
36 psi (250 kPa, 2.5 kgf/cm
2 or bar)*1
46 psi (320 kPa, 3.2 kgf/cm2 or bar)*2
Rear
36 psi (250 kPa, 2.5 kgf/cm
2 or bar)*1
46 psi (320 kPa, 3.2 kgf/cm2 or bar)*2
Spare
60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Wheel size17 x 7 1/2J, 17 x 4T (compact spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

449Alphabetical index
Alphabetical index
A
A/C ................................................................... 265Air conditioning filter ............................... 342
Automatic air conditioning system ... 265
Front seat concentr ated airflow mode
(S-FLOW)................................................... 271
ABS (Anti-lock Brake System).............. 248 Function .......................................................... 248
Warning light ............................................... 367
ACA (Active Cornering Assist) ........... 248
Acoustic vehicle alerting system ............. 63
Active Cornering Assist (ACA) ........... 248
Adaptive Front-lighting System (AFS) .163
AFS (Adaptive Front-lighting System) .163
Airbags ............................................................... 28 Airbag operating conditions................... 30
Airbag precautions for your child ........ 33
Correct driving posture .............................23
Curtain shield airbag operating condi- tions .................................................................... 31
Curtain shield airbag precautions ....... 33
Front passenger occupant classification system ..............................................................37
General airbag precautions ................... 33
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ........... 31
Side airbag precautions ............................ 33
Side and curtain shield airbags operating conditions........................................................ 31
Side and curtain shield airbags precau- tions .................................................................. 33
SRS airbags ..................................................... 28
SRS warning light ......................................366
Air conditioning filter ................................. 342
Air conditioning system ............................ 265 Air conditioning filter ............................... 342
Automatic air conditioning system ... 265
Front seat concentr ated airflow mode
(S-FLOW)................................................... 271
Alarm ..................................................................... 71 Alarm..................................................................... 71
Warning buzzer ........................................ 365
Anchor brackets ..................................... 44, 53
Antennas (smart access system with push-
button start) ................................................... 112
Anti-lock Brake System (ABS).............. 248 Function ..........................................................248
Warning light ............................................... 367
Approach warning...................................... 204
Armrest............................................................ 293
Assist grips ..................................................... 293
Audio system-linked display ...................... 83
Auto Glide Control ...................................... 214
Automatic headlight leveling system ....162
Automatic High Beam ................................164
Automatic light control system................. 161
Auxiliary box.................................................. 282
Average fuel economy................................. 82
Average vehicle speed ................................ 82
B
Back-up lights Replacing light bulbs ................................352
Battery (12-volt battery) ........................... 326 Battery checking ........................................326
If the 12-volt battery is discharged ..... 391
Preparing and checking before winter..........................................................................254
Warning light .............................................. 366
Battery (traction batter y) ............................ 64
Blind Spot Monitor (BSM).......................208
Brake Brake hold ...................................................... 159
Fluid.................................................................. 406
Parking brake ................................................157
Regenerative braking ................................. 62
Warning light .............................................. 365
Brake assist .................................................... 248
Break-in tips..................................................... 137
Brightness control Instrument panel light control................ 80
BSM (Blind Spot Monitor).......................208

452Alphabetical index
If your vehicle has to be stopped in an
emergency ............................................... 358
Ignition switch (power switch) ..............145
Overheating.................................................396
Power switch .................................................145
Tachometer ..................................................... 78
Engine coolant.............................................. 323 Capacity .........................................................405
Checking ....................................................... 323
Preparing and checking before winter......................................................................... 254
Engine coolant temperature gauge ....... 78
Engine oil ..........................................................321 Capacity .........................................................404
Checking ......................................................... 321
Preparing and checking before winter......................................................................... 254
Warning light ...............................................366
Engine oil maintenance data .................. 323
EPS (Electric Power Steering) .............. 248 Function .......................................................... 248
Warning light ............................................... 367
EV drive mode............................................... 150
Event data recorder (EDR) ............................7
EV indicator ...................................................... 62
F
Flat tire ............................................................. 379 Tire pressure warning system ...............331
Floor mats ...........................................................22
Fluid Brake................................................................406
Hybrid transmission .................................406
Washer ........................................................... 325
Footwell light ..................................................277
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 119 Adjustment....................................................... 119
Cleaning.........................................................309
Correct driving posture .............................23
Driving position memory.........................120 Head restraints..............................................123
Memory recall function............................. 122
Power easy access system .................... 120
Seat heaters .................................................. 273
Seat position memory .............................. 120
Seat ventilators ............................................ 273
Front side marker light ................................. 161 Light switch ...................................................... 161
Front side marker lights Replacing light bulbs ................... 352, 353
Front turn signal lights .................................156 Replacing light bulbs ................... 352, 353
Turn signal lever .......................................... 156
Fuel ...................................................................... 172 Capacity ........................................................ 403
Fuel gauge ........................................................ 78
Information ................................................... 409
Refueling........................................................... 172
Type ................................................................. 403
Warning light .............................................. 368
Fuel consumption Average fuel economy .............................. 82
Current fuel consumption ........................ 82
Fuel filler door ................................................. 172 If the fuel filler do or cannot be opened
......................................................................... 388
Refueling........................................................... 172
Fuel gauge ......................................................... 78
Fuses ................................................................. 349
G
Garage door opener ................................. 296
Gauges ............................................................... 78
Glove box .........................................................281
Glove box light ...............................................281
Grocery bag hooks .................................... 283
H
Hands Free Power Trunk Lid .................. 108
Headlights ......................................................... 161 Adaptive Front-lighting System (AFS)