2020 Lexus ES350 Remote start

3186-3. Do-it-yourself maintenance
■Brake fluid can absorb moisture from
the air
Excess moisture in the brake fluid can cause
a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
Check the battery as follows.
■Battery exterior
Make sure that the battery terminals
are not corroded and that there are no
loose connections, cracks, or loose
clamps. Terminals
Hold-down clamp
■Before recharging
When recharging, the battery produces
hydrogen gas which is flammable and
explosive. Therefore, observe the following
precautions before recharging:
●If recharging with the battery installed on
the vehicle, be sure to disconnect the
ground cable.
●Make sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the battery.
■After recharging/reconnecting the bat-
tery
●The engine may not start. Follow the pro-
cedure below to initialize the system.
1
Shift the shift lever to P.
2
Open and close any of the doors.
3
Restart the engine.
●Unlocking the doors using the smart
access system with pu sh-button start may
not be possible immediately after recon-
necting the battery. If this happens, use
the wireless remote control or the
mechanical key to lock/unlock the doors.
●Start the engine with the engine switch in
ACCESSORY mode. The engine may
not start with the engine switch turned off.
However, the engine will operate nor-
mally from the second attempt.
●The engine switch mode is recorded by
the vehicle. If the battery is reconnected,
the vehicle will return the engine switch
mode to the status it was in before the
battery was disconnected. Make sure to
WARNING
■When filling the reservoir
Take care as brake fluid can harm your
hands and eyes and damage painted sur-
faces.
If fluid gets on your hands or in your eyes,
flush the affected area with clean water
immediately.
If you still experience discomfort, see a
doctor.
NOTICE
■If the fluid level is low or high
It is normal for the brake fluid level to go
down slightly as the brake pads wear out
or when the fluid level in the accumulator
is high.
If the reservoir need s frequent refilling,
there may be a serious problem.
Checking the battery
A
B

3346-3. Do-it-yourself maintenance
filter.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-but-
ton start and wireless remote control will
not function properly.
●The operational range will be reduced.
Prepare the following before replacing
the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
●Replace only with the same or equivalent
type recommended by the manufacturer.
●Dispose of used batteries according to
the local laws.
1Take out the mechanical key.
NOTICE
■When using the air conditioning sys-
tem
●Make sure that a filter is always
installed.
Using the air conditioning system with-
out a filter may cause damage to the
system.
●The filter is replaceable.
When cleaning the filter, do not clean
with water or an air gun.
■To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fitting,
pay attention not to apply excessive force
to the claws. Otherwise, the claws may
be damaged.
Electronic key battery
Replace the battery with a new one
if it is depleted.
Items to prepare
Replacing the battery

3767-2. Steps to take in an emergency
■When the electronic key does not work
properly
●Make sure that the smart access system
with push-button start has not been deac-
tivated using the Remote Touch or at your
Lexus dealer. If it is off, turn the function
on.
●Check if battery-saving mode is set. If it is
set, cancel the function. ( P.107)
Use the mechanical key ( P.94) in
order to perform the following opera-
tions:
■Unlocking the door
1
Pull the driver’s door handle and
insert the mechanical key.
2
Unlock the door.
3
Remove the key, return the handle,
and then pull the handle again.
■Locking the door
1
With the door open, push down the
inside lock button.
2
Close the door.
■Opening the trunk
Turn the mechanical key clockwise to
If the electronic key does not
o
perate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.107) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the engine can be started by follow-
ing the procedure below.
NOTICE
■In case of a smart access system with
push-button start malfunction or
other key-related problems
Take your vehicle with all the electronic
keys provided with your vehicle to your
Lexus dealer as soon as possible.
Locking and unlocking the
doors, opening the trunk and
using the key linked functions

3807-2. Steps to take in an emergency
low speed for an extended period, such
as in heavy traffic.
■When the battery is removed or dis-
charged
●Information stored in the ECU is cleared.
When the battery is depleted, have the
vehicle inspected at your Lexus dealer.
●Some systems may require initialization.
( P.415)
■When removing the battery terminals
When the battery terminals are removed,
the information stored in the ECU is
cleared. Before removi ng the battery termi-
nals, contact your Lexus dealer.
■Charging the battery
The electricity stored in the battery will dis-
charge gradually even when the vehicle is
not in use, due to natural discharge and the
draining effects of certain electrical appli-
ances. If the vehicle is left for a long time,
the battery may discharge, and the engine
may be unable to start. (The battery
recharges automatically during driving.)
■When recharging or replacing the bat-
tery
●In some cases, it may not be possible to
unlock the doors using the smart access
system with push-button start when the
battery is discharged. Use the wireless
remote control or the mechanical key to
lock or unlock the doors.
●The engine may not start on the first
attempt after the battery has recharged
but will start normally after the second
attempt. This is not a malfunction.
●The engine switch mode is memorized by
the vehicle. When the battery is recon-
nected, the system will return to the
mode it was in before the battery was dis-
charged. Before di sconnecting the bat-
tery, turn the engine switch off.
If you are unsure what mode the engine
switch was in befo re the battery dis-
charged, be especially careful when
reconnecting the battery.
■When replacing the battery
●Use a battery that conforms to European
regulations.
●Use a battery that the case size is same as
the previous one (LN3), 20 hour rate
capacity (20HR) is equivalent (70Ah) or
greater, and performance rating (CCA)
is equivalent (592A) or greater.
• If the sizes differ, the battery cannot be properly secured.
• Battery performance may decrease and the engine may not be able to start.
• If the 20 hour rate capacity is low, even if
the time period where the vehicle is not
used is a short time, the battery may dis-
charge and engine may not be able to
start.
For details, consult your Lexus dealer.
WARNING
■When removing the battery terminals
Always remove the negative (-) terminal
first. If the positive (+) terminal contacts
any metal in the surrounding area when
the positive (+) terminal is removed, a
spark may occur, leading to a fire in addi-
tion to electrical shocks and death or
serious injury.
■Avoiding battery fires or explosions
Observe the following precautions to
prevent accidentally igniting the flamma-
ble gas that may be emitted from the bat-
tery:
●Make sure each jumper cable is con-
nected to the correct terminal and that
it is not unintentiona lly in contact with
any other than the intended terminal.
●Do not allow the other end of the
jumper cable connected to the “+” ter-
minal to come into contact with any
other parts or metal surfaces in the
area, such as brackets or unpainted
metal.
●Do not allow the + and - clamps of the
jumper cables to come into contact
with each other.
●Do not smoke, use matches, cigarette
lighters or allow open flame near the
battery.

4078-2. Customization
8
Vehicle specifications
■Smart access system with push-button start and wireless remote control
(  P.95, 106)
■Smart access system with push-button start ( P.95, 106)
■Wireless remote control ( P.92, 95, 106)
FunctionDefault settingCustomized setting
Operating signal (Buzzers)5OffOO1 to 7
Operation signal (Emergency
flashers)OnOffOO
Time elapsed before automatic
door lock function is activated if
door is not open ed after being
unlocked
60 seconds
Off
OO30 seconds
120 seconds
Open door warning buzzerOnOffO
FunctionDefault settingCustomized setting
Smart access system with push-
button startOnOffO
Smart door unlockingDriver’s doorAll the doorsOO
Time elapsed before unlocking all
the door when gripping and hold-
ing the driver’s door handle
2 seconds
Off
O1.5 seconds
2.5 seconds
Number of consecutive door lock
operations2 timesAs many as desiredO
FunctionDefault settingCustomized setting
Wireless remote controlOnOffO
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepOO
ABC
ABC
ABC

435Alphabetical index
Warning message..................................... 362
Distance until next engine oil change71, 76
Do-it-yourself maintenance .................... 306
Door courtesy lights ................................... 270
Door lock Doors .................................................................. 95
Smart access system with push-button start ................................................................. 106
Wireless remote control........................... 93
Doors ................................................................... 95 Automatic door lock ing and unlocking
system ............................................................. 98
Door glasses .................................................. 124
Door lock.......................................................... 95
Open door warning buzzer .......... 96, 98
Outside rear view mirrors ........................121
Rear door child-protectors ..................... 98
Drive distance ...................................................79
Drive info 1/Drive info 2 ...............................79
Driver’s seat position memory .................. 114 Driving position memory ...........................114
Memory recall function ............................. 115
Drive-start control ........................................135
Driving................................................................134 Break-in tips ...................................................135
Correct driving posture .............................23
Driving Mode Select switch .................208
Procedures ..................................................... 134
Winter drive tips......................................... 248
Driving information display .........................79
Driving Mode Select switch....................208
Driving range ....................................................79
Driving support system information display ............................................................................. 82
Dynamic radar cruise control with full- speed range..................................................193Warning message.......................................201
E
Eco drive mode ............................................208
Eco Driving Indicator.................... 80, 81, 87
Eco Driving Indicator Light ........................ 80 EDR (Event data recorder) ............................7
Elapsed time ......................................................79
Electric Power Steering (EPS)
Function .......................................................... 244
Warning light ...............................................354
Electronic key .................................................. 92 Battery-saving function............................ 107
If the electronic key does not operate properly ....................................................... 376
Replacing the battery ...............................334
Electronic roof sunshade Jam protection function ........................... 130
Operation ........................................................129
Emergency, in case of If a warning buzzer sounds...................352
If a warning light turns on.......................352
If a warning message is displayed .....362
If the battery is discharged ....................378
If the electronic key does not operate properly ....................................................... 376
If the engine will not start........................ 373
If the fuel filler do or cannot be opened
..........................................................................375
If the vehicle is trapped in rising water ..........................................................................345
If you have a flat tire ................................. 366
If you lose your keys .................................375
If you think something is wrong......... 350
If your vehicle becomes stuck ............ 383
If your vehicle has to be stopped in an emergency ................................................. 344
If your vehicle needs to be towed ..... 347
If your vehicle overheats ......................... 381
Emergency flashers .................................... 344
Engine ................................................................143 ACCESSORY mode............................... 146
Compartment................................................314
Engine switch .................................................143
Fuel pump shut off system...................... 351
Hood ..................................................................312
How to start the engine ............................143
Identification number ...............................387

438Alphabetical index
K
Keyless entrySmart access system with push-button start ................................................................. 106
Wireless remote control........................... 93
Keys...................................................................... 92 Battery-saving function ............................107
Electronic key ................................................. 92
Engine switch................................................. 143
If the electronic key does not operate properly....................................................... 376
If you lose your keys................................. 375
Key number plate ......................................... 92
Keyless entry .......................................... 95, 101
Mechanical key.............................................. 92
Replacing the battery............................... 334
Warning buzzer .......................................... 106
Wireless remote control........................... 93
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) .........................182 Operation........................................................182
Warning messages ................................... 190
Language (multi-information display) ... 82
LATCH anchors ............................................. 49
Lever Auxiliary catch lever ................................... 312
Hood lock release lever........................... 312
Internal trunk release lever .................... 103
Shift lever.......................................................... 147
Turn signal lever ............................................ 151
Wiper lever...................................................... 161
Lexus climate concierge .......................... 257
Lexus Enform Safety Connect.................. 54
Lexus Safety System + 2.0 ........................169 Automatic High Beam ............................. 159
Dynamic radar cruise control with full-speed range ................................................193
LTA (Lane Tracing Assist)......................182
PCS (Pre-Collision System).................. 175 RSA (Road Sign Assist)............................. 191
License plate lights........................................156 Light switch .................................................... 156
Replacing light bulbs ................................339
Light bulbs Replacing .......................................................339
Wattage ..........................................................392
Lights Automatic High Beam system ............. 159
Front interior lights ...................................... 271
Front personal lights................................... 271
Headlight switch.......................................... 156
Interior lights list .......................................... 270
Interior lights .................................................270
Rear interior lights ....................................... 271
Rear personal lights .................................... 271
Trunk light ....................................................... 103
Turn signal lever ............................................ 151
Vanity lights .................................................. 277
Wattage ..........................................................392
Welcome light illumination control ....157
Lock steering column ..................................144
Low profile tire................................................321
LTA (Lane Tracing Assist) .........................182 Operation ....................................................... 182
Warning messages.................................... 190
Luggage mat ..................................................276
M
Maintenance Do-it-yourself maintenance .................. 310
General maintenance ............................ 306
Maintenance data ..................................... 386
Maintenance requirements ................. 305
Malfunction indicator la mp ..................... 353
Master warning light .................................. 359
Menu icons........................................................ 78
Meter Changing the main meter location.......77
Clock.......................................................... 70, 73
Indicators...........................................................68
Instrument panel light control......... 72, 76

443Alphabetical index
Tire information ............................................ 395 Glossary.........................................................399
Size.................................................................... 397
Tire identification number ..................... 397
Uniform Tire Quality Grading............398
Tire pressure warning system ................ 323 Function .......................................................... 323
Initializing ....................................................... 326
Installing tire pressure warning valves and transmitters ...................................... 325
Registering ID codes ............................... 327
Warning light ...............................................356
Tires................................................................... 320 Chains ............................................................. 249
Checking ....................................................... 320
If you have a flat tire ..................................366
Inflation pressure........................................ 329
Information ....................................................395
Replacing .......................................................366
Rotating tires ................................................ 322
Size......................................................................391
Snow tires ...................................................... 248
Spare tire........................................................366
Tire inflation pressu re display function
......................................................................... 323
Tire pressure warning system ............. 323
Warning light ...............................................356
Tools.................................................................. 367
Top tether strap.................................................51
Total load capacity ....... ............................... 386
Towing Dinghy towing ............................................... 142
Emergency towing ................................... 347
Towing eyelet .............................................. 349
Trailer towing ...................................................141
TRAC (Traction Control) ........................ 244
Traction Control (TRAC) ........................ 244
Trailer towing ................................................... 141
Transmission Automatic transmission ............................ 147
Driving Mode Select switch .................208
Paddle shift switches ................................. 150 S mode ............................................................. 150
Trip meters .................................................. 71, 76
Trunk .................................................................... 99 Hands Free Power Trunk Lid............... 102
Internal trunk release lever..................... 103
Power trunk lid ...............................................99
Smart access system with push-button start ................................................................... 101
Trunk closer switch .................................... 102
Trunk easy closer........................................ 103
Trunk features .............................................. 276
Trunk grip ....................................................... 103
Trunk light ....................................................... 103
Trunk opener main switch...................... 105
Trunk opener switch ................................... 101
Trunk storage extension......................... 287
Wireless remote control ........................... 101
Trunk light ........................................................ 103
Turn signal lights ............................................. 151 Replacing light bulbs ................... 339, 340
Turn signal lever ............................................ 151
U
USB charging ports.................................... 278
V
Vanity lights.....................................................277
Vanity mirrors ................................................277
Vehicle data recordings ..................................6
Vehicle identification number ................ 386
Vehicle Stability Control (VSC) ........... 244
Ventilators (seat ventilators)................... 266
VSC (Vehicle Stability Control) ........... 244
W
Warning buzzersABS ...................................................................354
Airbags............................................................353
Approach warning..................................... 199
Brake hold .................................................... 359