2021 LEXUS ES350 battery location

963-2. Opening, closing and locking the doors and trunk
To prevent unintended triggering of the
alarm, unlock the doors using the wireless
remote control and open and close a door
once after the settings have been changed.
(If a door is not opened within 60 seconds
after is pressed, the doors will be
locked again and the alarm will automati-
cally be set.)
In a case that the alarm is triggered, imme-
diately stop the alarm. (P.63)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, all the doors are unlocked.
Depending on the force of the impact or the
type of accident, however, the system may
not operate.
■Operation signals
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: once;
Unlocked: twice)
Windows and moon roof (if equipped) or
panoramic moon roof (if equipped): A
buzzer sounds to indicate that the windows
and moon roof or panoramic moon roof are
opening.
■Security feature
If a door is not opened within approximately
60 seconds after the vehicle is unlocked,
the security feature automatically locks the
vehicle again. (However, depending on the
location of the electronic key, the key may
be detected as being in the vehicle. In this
case, vehicle may be unlocked.)
■When the doors cannot be locked by
the lock sensor on the upper part of the
door handle
When the doors cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the lock
sensor with the palm.
If you are wearing gloves, remove them.
■Open door warning buzzer
If an attempt to lock the doors is made when
a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the
door to stop the buzzer, and lock the vehi-
cle once more.
■Setting the alarm
Locking the doors will set the alarm system.
(  P.63)
■Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
 P.108
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the mechanical key to lock and unlock
the doors. ( P.387)
Replace the key battery with a new one if it
is depleted. ( P.341)
■If the battery is discharged
The doors cannot be locked and unlocked
using the smart access system with push-
Multi-information display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Holding the driver’s
door handle unlocks
only the driver’s door.
Holding a passenger’s
door handle unlocks all
the doors.
Exterior: Beeps twice
Interior: Pings onceHolding a door handle
unlocks all the doors.

1093-2. Opening, closing and locking the doors and trunk
3
Before driving
●When the lock operation is performed
using the lock sensor, recognition signals
will be shown up to two consecutive
times. After this, no recognition signals
will be given.
●Unlocking the vehicle may take more
time if another electronic key is within the
effective range.
●If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In this case, follow the follow-
ing correction procedures to wash the
vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle.
(Take care to ensure that the key is not
stolen.)
• Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( P.107)
●If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a message may be shown on
the multi-information display and a
buzzer will sound outside the vehicle. To
turn off the alarm, lock all the doors.
●The lock sensor may not work properly if
it comes into contact with ice, snow, mud,
etc.
Clean the lock sensor and attempt to
operate it again.
●A sudden approach to the effective
range or door handle may prevent the
doors from being unlocked. In this case,
return the door handle to the original
position and check that the doors unlock
before pulling the door handle again.
■When the vehicle is not driven for
extended periods
●To prevent theft of the vehicle, do not
leave the electronic key within 6 ft. (2 m)
of the vehicle.
●The smart access syst em with push-but-
ton start can be deactivated in advance.
●Battery-saving mode can reduce the
power consumption of electronic keys.
(  P.107)
■To operate the system properly
●Make sure to carry the electronic key
when operating the system. Do not get
the electronic key too close to the vehicle
when operating the system from the out-
side of the vehicle.
Depending on the position and holding
condition of the elec tronic key, the key
may not be detected correctly and the
system may not operate properly. (The
alarm may go off accidentally, or the door
lock prevention function may not oper-
ate.)
●Do not leave the electr onic key inside the
trunk.
The key confinement prevention function
may not operate, depending on the loca-
tion of the key (close to a spare tire, the
inside edge of the trunk), conditions
(inside a metal bag, close to metallic
objects) and the radio waves in the sur-
rounding area. ( P.103)
■If an electronic key does not work prop-
erly
●If the doors cannot be locked or
unlocked and the trunk cannot be
opened, perform the following.
• Bring the electronic key close to the door
handle and perform a lock or unlock
operation.
• Bring the electronic key close to the but-
ton on the trunk ( P.101) and press the
button.
• Use the wireless remote control.
If the doors cannot be locked or unlocked
by perform the above, use the mechanical
key. ( P.387)
For Canada: However, if the mechanical
key is used while the al arm system is set, the
warning will sound. ( P.63)
●If the engine cannot be started, refer to
P.388
■Customization
Settings (e. g. smart access system with
push-button start) can be changed.
(Customizable features: P.419)
If the smart access system with push-button
start has been deactivated in a customized
setting, refer to the explanations for the fol-

3687-2. Steps to take in an emergency
■Brake hold operated indicator (warning buzzer)
■Master warning light (warning buzzer)
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■Front passenger detection sensor, seat
belt reminder and warning buzzer
●If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause th e warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the air-
bag sensor assembly, fr ont impact sensors,
side impact sensors (front door), side
impact sensors (front), side impact sensors
(rear), driver’s seat position sensor, driver’s
seat belt buckle switch, front passenger
occupant classification system (ECU and
sensors), “AIR BAG ON” indicator light,
“AIR BAG OFF” indicator light, front pas-
senger’s seat belt buc kle switch, seat belt
pretensioners, airbags, interconnecting wir-
ing and power sources. ( P.28)
■Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient or the voltage temporarily drops, the electric power steering system warning
light may come on and the warning buzzer
may sound.
■When the tire pressure warning light
comes on
Inspect the tires to check if a tire is punc-
tured.
If a tire is punctured:  P.375
If none of the tires are punctured:
Turn the engine switch off then turn it to
IGNITION ON mode. Check if the tire
pressure warning light comes on or blinks.
If the tire pressure warning light blinks for
approximately 1 minute then stays on
There may be a malfunction in the tire pres-
sure warning system. Have the vehicle
inspected by your Lexus dealer immedi-
ately.
If the tire pressure warning light comes
on
1 After the temperature of the tires has
lowered sufficiently, check the inflation
pressure of each tire and adjust them to
the specified level.
2 If the warning light does not turn off
even after several minutes have
elapsed, check that the inflation pres-
sure of each tire is at the specified level
and perform initialization. ( P.332)
■The tire pressure warning light may
come on due to natural causes
The tire pressure wa rning light may come
on due to natural causes such as natural air
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
A buzzer sounds and the warning ligh t comes on and flashes to indicate
that the master warning system has detected a malfunction.
 P.371

3737-2. Steps to take in an emergency
7
When trouble arises
*: A buzzer sounds the first time a message is shown on the multi-information display.
In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.
 If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective actio n according to the warning light. ( P.361)
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■If “Engine Stoppe d Steering Power
Low” is displayed
This message is displa yed if the engine is
stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
■If “Auto Power Off to Conserve Bat-
tery” is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the engine, increase the engine speed
slightly and maintain that level for approxi-
mately 5 minutes to recharge the 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 Malfunction 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 shown
The dynamic radar cruise control with full-
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their condition, or indicates the
need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly
Warning buzzer*Warning

449Alphabetical index
Alphabetical index
A
A/C ................................................................... 263Air conditioning filter ............................... 339
Automatic air conditioning system ... 263
ABS (Anti-lock Brake System).............. 246 Function .......................................................... 246
Warning light ............................................... 363
ACA (Active Cornering Assist) ........... 246
Active Cornering Assist (ACA) ........... 246
Adaptive Front-lighting System (AFS) 160
Adaptive Variable Suspension System247
AFS (Adaptive Front-lighting System) 160
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 ...................................... 362
Air conditioning filter ................................. 339
Air conditioning system ............................ 263 Air conditioning filter ............................... 339
Automatic air conditioning system ... 263
Alarm ................................................................... 63 Alarm .................................................................. 63
Warning buzzer ...........................................361
Anchor brackets ..................................... 44, 53
Antennas (smart access system with push- button start) ................................................. 106
Anti-lock Brake System (ABS).............. 246 Function .......................................................... 246
Warning light ...............................................363
Approach warning........................................201
Armrest............................................................ 290
Assist grips ..................................................... 290
Audio system-linked display ...................... 82
Automatic headlight leveling system ....159
Automatic High Beam ................................. 161
Automatic light control system............... 158
Automatic transmission ..............................149 Paddle shift switches .........................151, 152
S mode ............................................................. 152
Auxiliary box.................................................. 279
Average fuel economy..................................79
Average vehicle speed .................................79
B
Back-up lights Replacing light bulbs ................................346
Battery Checking ....................................................... 323
If the battery is discharged ................... 389
Preparing and checking before winter........................................................................... 251
Warning light ...............................................362
Blind Spot Monitor (BSM)....................... 205
Boost gauge........................................................81
Brake Brake hold ...................................................... 156
Fluid.................................................................. 404
Parking brake ............................................... 154
Warning light ................................................ 361
Brake assist .................................................... 246
Break-in tips.....................................................135
Brightness control Instrument panel light control......... 72, 76
BSM (Blind Spot Monitor)....................... 205

454Alphabetical 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................................................. 144
If the electronic key does not operate properly....................................................... 387
If you lose your keys.................................386
Key number plate ......................................... 92
Keyless entry .......................................... 95, 101
Mechanical key.............................................. 92
Replacing the battery.................................341
Warning buzzer .......................................... 106
Wireless remote control........................... 93
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) ........................ 184 Operation....................................................... 184
Warning messages .................................... 192
Language (multi-information display) ... 82
LATCH anchors ............................................. 50
Lever Auxiliary catch lever ...................................316
Hood lock release lever...........................316
Internal trunk release lever .................... 103
Shift lever..........................................................149
Turn signal lever ...........................................153
Wiper lever.....................................................164
Lexus climate concierge ............................ 261
Lexus Enform Safety Connect.................. 55
Lexus Safety System + 2.0 ......................... 171 Automatic High Beam ............................... 161
Dynamic radar cruise control with full-speed range ............................................... 195
LTA (Lane Tracing Assist)..................... 184
PCS (Pre-Collision System).................. 177 RSA (Road Sign Assist)........................... 193
License plate lights....................................... 158 Light switch .................................................... 158
Replacing light bulbs ................................346
Light bulbs Replacing .......................................................346
Wattage ..........................................................407
Lights Automatic High Beam system ............... 161
Front interior lights .................................... 275
Front personal lights................................. 275
Headlight switch.......................................... 158
Interior lights list .......................................... 274
Interior lights ................................................. 274
Rear interior lights ..................................... 275
Rear personal lights .................................. 275
Trunk light ....................................................... 103
Turn signal lever .......................................... 153
Vanity lights ................................................... 281
Wattage ..........................................................407
Welcome light illumination control ... 159
Lock steering column ..................................145
Low profile tire.............................................. 326
LTA (Lane Tracing Assist) ........................ 184 Operation ....................................................... 184
Warning messages.....................................192
Luggage mat .................................................280
M
Maintenance Do-it-yourself maintenance ...................314
General maintenance .............................. 310
Maintenance data ..................................... 398
Maintenance requirements ................. 309
Malfunction indicator la mp ..................... 362
Master warning light .................................. 368
Menu icons........................................................ 78
Meter Changing the main meter location.......77
Clock.......................................................... 70, 73
Indicators...........................................................68
Instrument panel light control......... 72, 76