2019 Lexus ES300h high beam

1634-5. Using the driving support systems
4
Driving
4-5.Using the driving support systems
■PCS (Pre-Collision System)
 P.169
■LTA (Lane Tracing Assist)
 P.176
■Automatic High Beam
 P.153
■RSA (Road Sign Assist) (if
equipped)
 P.185
■Dynamic radar cruise control with
full-speed range
 P.187 Two types of sensors, located behind
the front grille and windshield, detect
information necessary to operate the
drive assist systems.
Radar sensor
Front camera
Lexus Safety System+2.0
The Lexus Safety System+2.0 con-
sists of the following drive assist sys-
tems and contributes to a safe and
comfortable driving experience:
Driving assist system
WARNING
■Lexus Safety System+2.0
The Lexus Safety System+2.0 is
designed to operate under the assump-
tion that the driver wi ll drive safely, and is
designed to help reduce the impact to
the occupants and the vehicle in the case
of a collision or assist the driver in normal
driving conditions.
As there is a limit to the degree of recog-
nition accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surro undings and driving
safely.
Sensors
WARNING
■To avoid malfunction of the radar sen-
sor
Observe the following precautions.
Otherwise, the radar sensor may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
A
B

3456-3. Do-it-yourself maintenance
6
Maintenance and care
Cornering lights
 Side turn signal lights
 Outer foot lights
 Tail lights
 Stop lights
 Rear turn signal lights
 Rear side marker lights
 Back-up lights
 High mounted stoplight
 License plate lights
■LED lights
The lights other than the front turn signal
lights (vehicles with single-beam head-
lights) and front side marker lights (vehicles
with single-beam head lights) each consist
of a number of LEDs. If any of the LEDs
burn out, take your vehicle to your Lexus
dealer to have the light replaced.
■Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi-
cate a malfunction. Contact your Lexus
dealer for more information in the following
situations:
●Large drops of water ha ve built up on the
inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
 P.342
■Front turn signal lights (vehicles
with single-beam headlights)/front
side marker lights (vehicles with
single-beam headlights)
1 To ensure enough space to per-
form work, turn the steering wheel to rotate the front wheel away from
the bulb to be replaced. Remove
the fender liner clip.
Turn the steering wheel to the left when
replacing the right side light bulb, and turn
the steering wheel to the right when
replacing the left side light bulb.
2
To protect the front bumper from
being damaged, apply protective
tape around the clips as shown in
the illustration.
Use masking tape, etc. Do not use duct
tape, as it may leave residue or damage the
paint when removed.
3Insert a flathead screwdriver
between the front bumper and
Replacing light bulb

3707-2. Steps to take in an emergency
■If “Traction Battery Needs to be Pro-
tected Shift into P to Restart” is dis-
played
This message is displayed when the hybrid
battery (traction battery) charge has
become extremely low because the shift
lever has been left in N for a certain amount
of time.
When operating the vehicle, shift to P and
restart the hybrid system.
■If “Shift to P Before exiting vehicle” is
displayed
Message is displayed when the driver’s
door is opened with out turning the power
switch off with the shift lever in any position
other than P.
Shift the shift lever to P.
■If “Shift is in N Release accelerator
before shifting” is displayed
The accelerator pedal has been depressed
when the shift lever is in N.
Release the accelerator pedal and shift the
shift lever to D or R.
■If “Accelerator pedal is pressed” is dis-
played
The accelerator pedal has been depressed
when the shift lever is in P.
Release the accelerator pedal.
■If “Press brake when vehicle is stopped
Hybrid system may overheat” is dis-
played
The message may be displayed when the
accelerator pedal is depressed to hold the
vehicle while the vehicle is stopped on an
incline, etc. The hybrid system may over-
heat. Release the accelerator pedal and
depress the brake pedal.
■If “Auto Power Off to Conserve Battery”
is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the hybrid system, operate the hybrid sys-
tem for approximately 5 minutes to
recharge the 12-volt battery.
■If “High Power Cons umption Power to
Climate Temporarily Limited” is dis-
played
Turn off unnecessary electronic equipment
to reduce power consumption.
Please wait until the power supply returns to
normal.
■If “Headlight System Uninitialized Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●AFS (Adaptive Front-lighting System)
●The automatic headlight leveling system
(if equipped)
●Automatic High Beam
■If “Radar Cruise Control Unavailable
See Owner’s Manual” is displayed
The dynamic radar cruise control with full-
speed range system is suspended tempo-
rarily or until the pr oblem shown in the mes-
sage is resolved. (causes and coping
methods: P.167)
■If “Radar Cruise Control Unavailable” is
displayed
The dynamic radar cruise control with full-
speed range system cannot be used tempo-
rarily. Use the system when it becomes
available again.
■If “Front Camera Unavailable” is dis-
played
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.167, 364)
●PCS (Pre-Collision System)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assist) (if equipped)
●Dynamic radar cruise control with full-
speed range
■If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance

3787-2. Steps to take in an emergency
WARNING
●Do not use more than one compact
spare tire simultaneously.
●Replace the compact spare tire with a
standard tire as soon as possible.
●Avoid sudden acceleration, abrupt
steering, sudden braking and shifting
operations that cause sudden engine
braking.
■When the compact spare tire is
attached
The vehicle speed may not be correctly
detected, and the following systems may
not operate correctly:
• ABS & Brake assist
• VSC
• TRAC
• Dynamic radar cruise control with full- speed range
• PCS (Pre-Collision System)
• EPS
• LTA (Lane Tracing Assist)
• Panoramic view monitor (if equipped)
• Lexus parking assist monitor (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
• BSM (Blind spot monitor) (if equipped)
• Automatic high Beam
■Speed limit when using the compact
spare tire
Do not drive at speeds in excess of 50
mph (80 km/h) when a compact spare
tire is installed on the vehicle.
The compact spare tire is not designed
for driving at high speeds. Failure to
observe this precaution may lead to an
accident causing deat h or serious injury.
■After using the tools and jack
Before driving, make sure all the tools
and jack are securely in place in their
storage location to reduce the possibility
of personal injury during a collision or
sudden braking.
NOTICE
■Be careful when driving over bumps
with the compact spare tire installed
on the vehicle
The vehicle becomes lower when driving
with the compact spar e tire compared to
when driving with standard tires. Be
careful when driving over uneven road
surfaces.
■Driving with tire chains and the com-
pact spare tire
Do not fit tire chains to the compact
spare tire.
Tire chains may damage the vehicle body
and adversely affect driving perfor-
mance.
■When replacing the tires
When removing or fitting the wheels,
tires or the tire pr essure warning valve
and transmitter, contact your Lexus
dealer as the tire pressure warning valve
and transmitter may be damaged if not
handled correctly.

3988-1. Specifications
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer. 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 “Toyota Genuine ATF WS” may 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)
Parking brake lining wear limit0.04 in. (1.0 mm)

441What to do if... (Troubleshooting)441Alphabetical index
Alphabetical index
A
A/C ................................................................... 253Air conditioning filter ...............................338
Automatic air conditioning system ... 253
ABS (Anti-lock Brake System).............. 236 Function .......................................................... 236
Warning light ...............................................360
ACA (Active Cornering Assist) ........... 236
Active Cornering Assist (ACA) ........... 236
Adaptive Front-lighting System (AFS) .152
AFS (Adaptive Front-lighting System) .152
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 ......................................359
Air conditioning filter ................................. 338
Air conditioning system ............................ 253 Air conditioning filter ...............................338
Automatic air conditioning system ... 253
Alarm ................................................................... 62 Alarm .................................................................. 62
Warning buzzer ........................................ 358
Anchor brackets ...................................... 43, 51
Antennas (smart access system with push- button start) ..................................................102 Anti-lock Brake System (ABS).............. 236
Function ..........................................................236
Warning light .............................................. 360
Approach warning........................................193
Armrest..............................................................281
Assist grips .......................................................281
Audio system-linked display ...................... 75
Auto Glide Control .................................... 203
Automatic headlight leveling system ..... 151
Automatic High Beam ................................153
Automatic light control system............... 150
Auxiliary box.................................................. 270
Average fuel economy..................................74
Average vehicle speed .................................74
B
Back-up lights Replacing light bulbs ................................344
Battery (12-volt battery) ........................... 323 Battery checking ........................................ 323
If the 12-volt battery is discharged ... 384
Preparing and checking before winter.......................................................................... 242
Warning light .............................................. 359
Battery (traction batter y) ............................ 56
Blind Spot Monitor (BSM)......................... 197
Brake Brake hold ...................................................... 148
Fluid.................................................................. 398
Parking brake ............................................... 146
Regenerative braking ................................. 54
Warning light .............................................. 358
Brake assist .................................................... 236
Break-in tips..................................................... 127
Brightness control Instrument panel light control................. 72
BSM (Blind Spot Monitor)......................... 197
C
Care ...................................................... 300, 303 Aluminum wheels ..................................... 300

444Alphabetical index
Ignition switch (power switch) ..............135
Overheating................................................ 388
Power switch .................................................135
Tachometer ..................................................... 70
Engine coolant.............................................. 320 Capacity ......................................................... 397
Checking ....................................................... 320
Preparing and checking before winter......................................................................... 242
Engine coolant temperature gauge ....... 70
Engine oil ......................................................... 318 Capacity .........................................................396
Checking ........................................................ 318
Preparing and checking before winter......................................................................... 242
Warning light ...............................................359
Engine oil maintenance data .................. 320
EPS (Electric Power Steering) .............. 236 Function .......................................................... 236
Warning light ...............................................360
EV drive mode................................................139
Event data recorder (EDR) ........................... 8
EV indicator ...................................................... 54
F
Flat tire ............................................................. 372 Tire pressure warning system ............. 328
Floor mats ...........................................................22
Fluid Brake................................................................398
Hybrid transmission .................................398
Washer ........................................................... 322
Footwell light ................................................. 265
Front passenger occupant classification system ...............................................................37
Front seats ....................................................... 109 Adjustment..................................................... 109
Cleaning.........................................................303
Correct driving posture .............................23
Driving position memory.......................... 110
Head restraints .............................................. 113
Memory recall function ............................... 111 Power easy access system ...................... 110
Seat heaters ....................................................261
Seat position memory ................................ 110
Seat ventilators ..............................................261
Front side marker light ............................... 150 Light switch .................................................... 150
Front side marker lights Replacing light bulbs ....................344, 345
Front turn signal lights .................................145 Replacing light bulbs ....................344, 345
Turn signal lever .......................................... 145
Fuel ....................................................................... 161 Capacity ........................................................ 395
Fuel gauge ........................................................ 70
Information ..................................................... 401
Refueling............................................................ 161
Type ................................................................. 395
Warning light ................................................ 361
Fuel consumption Average fuel economy .............................. 74
Current fuel consumption ........................ 74
Fuel filler door .................................................. 161 If the fuel filler do or cannot be opened
........................................................................... 381
Refueling............................................................ 161
Fuel gauge ......................................................... 70
Fuses ...................................................................341
G
Garage door opener ................................. 284
Gauges ............................................................... 70
Glove box ....................................................... 269
Glove box light ............................................. 269
Grocery bag hooks ...................................... 271
H
Hands Free Power Trunk Lid .................... 98
Headlights ....................................................... 150 Adaptive Front-lighting System (AFS)........................................................................... 152
Automatic High Beam system ............. 153

446Alphabetical index
Vehicle-equipped jack ........................... 373
Jack handle .................................................... 373
Jam protection function Moon roof ....................................................... 123
Power trunk opener and closer ............ 99
Power windows............................................120
K
Keyless entrySmart access system with push-button start ..................................................................102
Wireless remote control........................... 89
Keys...................................................................... 88 Battery-saving function ........................... 103
Electronic key .................................................88
If the electronic key does not operate properly........................................................ 381
If you lose your keys................................ 380
Key number plate .........................................88
Keyless entry ..................................91, 97, 102
Mechanical key..............................................88
Power switch .................................................135
Replacing the battery............................... 339
Warning buzzer ...........................................102
Wireless remote control........................... 89
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) ......................... 176 Operation........................................................ 176
Warning messages ................................... 184
Language (multi-information display) ....75
LATCH anchors ............................................. 49
Lever Auxiliary catch lever ...................................316
Hood lock release lever...........................316
Internal trunk release lever ...................... 99
Shift lever............................................................141
Turn signal lever ...........................................145
Wiper lever.................................................... 155
Lexus climate concierge ............................251 Lexus Enform Safety Connect............... 292
Lexus Safety System+2.0 ..........................163
Automatic High Beam ............................. 153
Dynamic radar cruise control with full-
speed range ............................................... 187
LTA (Lane Tracing Assist) ......................176
PCS (Pre-Collision System) ................. 169
RSA (Road Sign Assist)........................... 185
License plate lights....................................... 150 Light switch .................................................... 150
Replacing light bulbs ................................344
Light bulbs Replacing ....................................................... 344
Wattage ......................................................... 400
Lights Automatic High Beam system ............. 153
Front interior lights ....................................266
Front personal lights.................................266
Headlight switch.......................................... 150
Interior lights list ..........................................265
Interior lights .................................................265
Rear interior lights .....................................266
Rear personal lights ..................................266
Trunk light .........................................................99
Turn signal lever .......................................... 145
Vanity lights .................................................. 272
Wattage ......................................................... 400
Welcome light illumination control ..... 151
Lock steering column ..................................135
Low profile tire.............................................. 326
LTA (Lane Tracing Assist) ......................... 176 Operation ........................................................176
Warning messages.................................... 184
Luggage mat ................................................... 271
M
Maintenance Do-it-yourself maintenance ...................314
General maintenance .............................. 310
Maintenance data ......................................394
Maintenance requirements ................. 309
Malfunction indicator la mp ..................... 359