2017 Lexus ES300h key battery

586What to do if... (Troubleshooting)
ES300h_OM_OM33C75U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by your Lexus dealer. ( →P. 1 0 5 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( →P. 1 0 7 )
●Is the electronic key battery weak or depleted? ( →P. 4 8 1 )
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( →P. 1 6 9 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( → P. 1 2 3 )
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→ P. 111)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
(→ P. 116)
If you have a problem, check the following before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside

587What to do if... (Troubleshooting)
ES300h_OM_OM33C75U_(U)
●Did you press the power switch while firmly depressing the brake pedal?
(→ P. 1 6 8 )
●Is the shift lever in P? (→ P. 1 7 0 )
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 1 2 1 )
●Is the steering wheel unlocked? ( →P. 171)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way. ( →P. 5 2 8 )
●Is the 12-volt battery discharged? ( →P. 5 2 9 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
power switch in ON mode (→ P. 1 7 8 )
●It is locked automatically to prevent theft of the vehicle. ( →P. 1 7 0 )
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 1 4 5 )
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted fr om P even if you depress the brake
pedal
The steering wheel cannot be turned after the hybrid system is stopped
The windows do not open or close by operating the power window
switches

592Alphabetical index
ES300h_OM_OM33C75U_(U)
CareAluminum wheels ..............................435
Exterior....................................................434
Interior ..................................................... 437
Seat belts ............................................... 438
Cargo capacity........................................165
Cargo hooks .......................................... 407
CD player
*............................................. 322
Chains ....................................................... 285
Child restraint system Booster seats, definition ....................53
Booster seats, installation.................. 62
Convertible seats, definition ............53
Convertible seats, installation .........60
Front passenger occupant
classification system .........................46
Infant seats, definition ..........................53
Infant seats, installation .......................60
Installing CRS
with LATCH anchors .................... 58
Installing CRS with seat belts ..........60
Installing CRS with top tether strap .........................63
Child safety ................................................ 52 12-volt battery precautions ...........532
Airbag precautions .............................. 39
Child restraint system .........................53
How your child should wear the seat belt .......................................... 33
Installing child restraints..................... 57
Moon roof precautions...................... 151 Power window lock switch.............145
Power window precautions ........... 147
Rear door child-protectors ............... 111
Removed electronic
key battery precautions .............. 482
Seat belt extender
precautions .......................................... 35
Seat belt precautions .......................... 56
Seat heater precautions .................398
Trunk precautions ................................. 117
Child-protectors ....................................... 111
Cleaning Aluminum wheels .............................. 435
Exterior ................................................... 434
Interior ..................................................... 437
Seat belts................................................438
Clock...........................................................410
Coat hooks ............................................... 414
Condenser.............................................. 458
Console box........................................... 404
Console box light ................................. 404
Consumption screen ..............................99
Cooling system Hybrid system overheating .......... 533
Cruise control Cruise control ..................................... 238
Dynamic radar cruise control ..... 226
Cup holders............................................ 405
Curtain shield airbags ............................ 37
Customizable features ...................... 562
C

593Alphabetical index
ES300h_OM_OM33C75U_(U)
Daytime running light system ........... 183
DefoggerFront windshield ................................. 392
Outside rear view mirrors .............392
Rear window ........................................392
Dimension ............................................... 540
Dinghy towing.......................................... 167
Display Dynamic radar cruise control...... 226
LDA (Lane Departure Alert with steering control) ..................... 217
Multi-information display ....................91
Trip information ..................................... 87
Warning message ................................ 511
Display Audio system ......................... 290
Display settings ...................................307
Setup menu .......................................... 302
Do-it-yourself maintenance ............. 447
Door courtesy lights Location ................................................. 400
Wattage ................................................. 548
Doors Automatic door locking
and unlocking system........................ 111
Door glasses ......................................... 145
Door lock ..................................................110
Outside rear view mirrors ...............142
Rear door child-protector.................. 111 Driver’s seat position memory..........130
Driving position memory...................131
Memory recall function .................... 132
Power easy access system ............ 130
Driving Break-in tips ...........................................156
Correct driving posture .................... 30
Driving mode select switch .......... 266
Hybrid vehicle driving tips ............ 282
Procedures .............................................154
Winter drive tips ................................ 284
Dynamic radar cruise control
Function .................................................. 226
Eco drive mode......................................266
EDR (Event data recorder).....................11
Electric motor (traction motor).......... 67
Electric Power Steering (EPS) Function ...................................................277
Warning light ...................................... 506
Electronic key .......................................... 104
Battery-saving function .................... 123
If the electronic key does not operate properly ............................ 527
Replacing the battery ........................481
D
E
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

594Alphabetical index
ES300h_OM_OM33C75U_(U)
Emergency, in case ofIf a warning buzzer
sounds................................................. 505
If a warning light turns on.............. 505
If a warning message is displayed ........................................... 511
If the 12-volt battery is discharged .........................................529
If the electronic key does not operate properly ........ 527
If the hybrid system will not start ............................................... 525
If you have a flat tire ........................... 515
If you think something is wrong.............................................. 504
If your vehicle becomes
stuck ...................................................... 537
If your vehicle has to be
stopped in an emergency ......... 499
If your vehicle needs
to be towed ......................................500
If your vehicle overheats ............... 533
Emergency flashers ............................. 498
Energy monitor .........................................97 Engine
Accessory mode .................................169
Compartment .......................................451
Hood........................................................ 449
How to start the hybrid system ................................................... 168
Identification number ....................... 542
Ignition switch (power switch) ..... 168
Overheating.........................................533
Power switch. ....................................... 168
Engine compartment cover..............452
Engine coolant Capacity .................................................545
Checking ............................................... 457
Preparing and checking before winter .................................... 284
Engine coolant temperature gauge ........................................................ 86
Engine oil Capacity ................................................. 543
Checking ............................................... 453
Preparing and checking
before winter .................................... 284

597Alphabetical index
ES300h_OM_OM33C75U_(U)
I/M test ..................................................... 446
IdentificationEngine...................................................... 542
Vehicle ..................................................... 541
Ignition switch (power switch) ......... 168
Illuminated entry system .................... 402
Immobilizer system..................................76
Indicators .................................................... 84
Initialization
Maintenance.......................................... 441
Tire pressure warning system............................... 466
Initiators (tire pressure
warning system)..................................472
Inside rear view mirror ........................ 140
Instrument panel light control ............ 87
Interior light.............................................400
Intuitive parking assist Function ....................................................241 Jack
Positioning a floor jack....................450
Vehicle-equipped jack .....................516
Jack handle ...................................................516
Jam protection function
Moon roof ...............................................149
Power trunk opener and closer ............................................. 116
Power windows....................................145
Keyless entry Smart access system
with push-button start................... 108
Wireless remote control................. 108
Keys Battery-saving function .................... 123
Electronic key ........................................104
If the electronic key
does not operate properly........ 527
Key number plate ................................104
Keyless entry ......................................... 108
Mechanical key.................................... 105
Power switch ........................................ 168
Replacing the battery ........................481
Warning buzzer ................................... 122
Wireless remote control key ........ 108
Knee airbags .............................................. 37
IJ
K
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

601Alphabetical index
ES300h_OM_OM33C75U_(U)
Rear turn signal lightsReplacing light bulbs ........................493
Turn signal lever .................................. 180
Wattage ................................................. 548
Rear view mirror Inside rear view mirror ..................... 140
Outside rear view mirrors ...............142
Rear window defoggers .................... 392
Refueling ....................................................194 Capacity .................................................542
Fuel types ...............................................542
Opening the fuel tank cap.............. 196
When the fuel filler door cannot be opened .......................... 196
Regenerative braking ............................ 69
Remote Touch
*
Replacing Electronic key battery ....................... 481
Fuses........................................................ 483
Light bulbs ............................................ 486
Tires ........................................................... 515
Reporting safety defects
for U.S. owners................................... 576
Resetting the message indicating
maintenance is required ..................441
Road accident cautions .........................74 Safety Connect ......................................426
Seat belts
Adjusting the seat belt.........................32
Automatic Locking Retractor ........ 33
Child restraint system
installation ............................................. 60
Cleaning and maintaining
the seat belt .......................................438
Emergency Locking
Retractor................................................ 33
How to wear your seat belt..............32
How your child should wear the seat belt .......................................... 33
Pregnant women, proper seat belt use ......................................... 34
Reminder light and buzzer .......... 506
Seat belt extender ................................ 34
Seat belt pretensioners ...................... 33
SRS warning light ............................. 505
Seat heaters............................................ 399
Seat position memory ..........................130
Seat ventilators...................................... 399
Seating capacity ..................................... 165
S
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

607Alphabetical index
ES300h_OM_OM33C75U_(U)
WeightCargo capacity .................................... 165
Load limits............................................... 165
Weight.................................................... 540
Welcome light illumination control..................................................... 109
Wheels Replacing wheels ............................... 477
Size ............................................................ 547
Window glasses ......................................145
Window lock switch ..............................145
Windows
Power windows ................................... 145
Rear window defogger...................392
Windshield wiper de-icer ................. 393
Windshield wipers Intermittent windshield wipers with interval adjuster ...... 190
Position................................................... 286
Rain-sensing windshield wipers ...................................................... 191
Winter driving tips................................ 284
Wireless remote control key Battery-Saving Function...................123
Locking/Unlocking............................108
Replacing the battery ........................ 481
WMA disc
*............................................ 322
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.