
398
5-2. Steps to take in an emergency
ES350_U_(L/O_0708)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Remove the cover on the driver’s
door handle using the mechanical
key in order to perform the follow-
ing operations. Locks all doors
Closes the windows/standard
moon roof (turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/standard
moon roof (turn and hold)
Return the cover to the original
position after use.
If communication between the electronic key and vehicle is interrupted
(→ P. 26) or the electronic key cann ot be used because the battery is
depleted, smart access system with push-button start and wireless remote
control cannot be used. In such cases, the doors can be opened or the
engine can be started by following the procedure below.

5
When trouble arises
399
5-2. Steps to take in an emergency
ES350_U_(L/O_0708)
Changing “ENGINE START STOP” switch modes and starting the engine
Put the shift lever in P and apply the brakes.Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed.
(→P. 1 1 4 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the brake
pedal depressed.
In the event that the “ENGINE START STOP” switch still cannot be oper-
ated, contact your Lexus dealer.
STEP1
STEP2
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is the temporary measure, it is recommend that the elec-
tronic key battery be replaced immediately when the battery depletes. ( →P. 3 3 2 )
STEP3

445
Alphabetical index
ES350_U_(L/O_0708)
Brake assist .............................................. 157
Break-in tips ............................................. 107
CareExterior ................................................... 282
Interior..................................................... 285
Seat belts ............................................... 286
Cargo capacity ....................................... 163
Cargo hooks ...........................................270
CD changer ............................................. 199
CD player.................................................. 199
Chains......................................................... 169
Child restraint system Booster seats, definition.................... 93
Booster seats, installation ..................97
Convertible seats, definition ........... 93
Convertible seats, installation .........97
Front passenger occupant
classification system ........................ 88
Infant seats, definition ......................... 93
Infant seats, installation........................97
Installing CRS with lower
anchorages ........................................ 100
Installing CRS with seatbelts ...........97
Installing CRS with top straps ........ 101
Child safety
Airbag precautions ............................. 83
Battery precautions................ 314, 402
Child restraint system ........................ 93
Child-protectors................................... 38
How your child should wear the seatbelt ........................................... 53
Installing child restraints .................... 96
Moon roof precautions ..................... 66 Power window lock switch ..............60
Power window precautions ............ 62
Removed electronic key battery
precautions........................................333
Seat belt comfort guide .......................51
Seat belt extender precautions......55
Seat belt precautions .......................... 54
Seat heater precautions.................. 263
Trunk precautions................................. 42
Child-protectors ......................................38
Cigarette lighter..................................... 261
Cleaning
Exterior....................................................282
Interior .................................................... 285
Seat belts ............................................... 286
Clock ......................................................... 259
Compass .................................................. 277
Condenser ..............................................309
Console box ............................................ 251
Cooling system
Engine overheating.......................... 403
Cornering assist sensors ......................151
Cruise control Cruise control....................................... 139
Dynamic radar cruise control........142
Cup holders ............................................ 254
Curtain shield airbags.............................77
Customizable features .......................433
Daytime running light system ........... 133
Defogger Rear window ......................................... 189
Side mirror.............................................. 189
Dimension............................................... 408
Dinghy towing ......................................... 180
C
D

446
Alphabetical index
ES350_U_(L/O_0708)
DisplayDynamic radar crui se control ....... 142
Trip information .................................... 129
Warning message............................. 373
Do-it-yourself maintenance ............. 294
Door courtesy lights Door courtesy lights..........................247
Wattage.................................................... 417
Doors Door glasses ........................................... 60
Door lock................................. 22, 34, 37
Side mirrors ............................................. 58
Driver's seat belt reminder light ..... 364
Driving Break-in tips ...........................................107
Correct posture .................................... 75
Procedures ............................................ 106
Winter driving tips............................... 167
Driving position memory ...................... 44
Electronic key If the electronic key does not
operate properly ............................398
Emergency, in case of
If the electronic key does not operate properly ............................398
If the engine will not start ............... 394
If the shift lever cannot be shifted from P ...................................396
If the vehicle has discharged
battery ................................................. 400
If the warning buzzer sounds ...... 362
If the warning light turns on .......... 362 If the warning message is
displayed .............................................373
If you have a flat tire ........................ 384
If you lose your keys .........................397
If you think something is wrong .................................................. 358
If your vehicle becomes stuck .... 405
If your vehicle needs to be towed ................................................... 352
If your vehicle overheats................ 403
Engine Compartment ....................................... 301
Engine switch .......................................... 114
Hood ....................................................... 298
How to start the engine ..................... 114
Identification number ...................... 409
If the engine will not start ............... 394
Ignition switch ......................................... 114
Overheating ........................................ 403
Engine compartment cover ............. 302
Engine coolant Capacity .................................................. 412
Checking............................................... 307
Preparing and checking
before winter...................................... 167
Engine coolant temperature
gauge ....................................................... 122
Engine immobilizer system ................. 70
Engine oil Capacity .................................................... 411
Checking............................................... 303
Preparing and checking
before winter...................................... 167
Engine oil maintenance data ........... 306
Event data recorder ............................ 360
E

449
Alphabetical index
ES350_U_(L/O_0708)
Outside rear view mirrorsAdjusting and folding ......................... 58
Mirror position memory ....................44
Outside temperature display............ 129
Overhead console .............................. 253
Overheating, Engine .......................... 403
Parking assist sensors ........................... 151
Parking brake ............................................121
Parking lights
Replacing light bulbs ....................... 345
Switch ........................................................ 132
Wattage ................................................... 417
PCS..............................................................160
Personal lights Switch ...................................................... 249
Power outlet ............................................262
Power steering fluid ..............................310
Power windows........................................ 60
Pre-collision system .............................. 160
Radar cruise control ............................. 142
Radiator.................................................... 309
Radio ................................................................ 192
Radio data system.................................. 193
RDS.............................................................. 193
Rear side marker lights Replacing light bulbs ....................... 343
Wattage ................................................... 417
Rear sunshade........................................266
Rear turn signal lights Replacing light bulbs ....................... 343
Wattage ................................................... 417
Rear window defogger ........................189 Replacing
Electronic key battery ...................... 332
Fuses.........................................................334
Light bulbs .............................................343
Reporting safety defects for U.S.A. owners .....................................440
Seat belts Adjusting the seat belt ..........................51
Automatic Locking Retractor......... 52
Child restraint system installation.............................................. 96
Cleaning and maintaining the seat belts .................................... 286
Emergency Locking Retractor ...... 52
How to wear your seat belt ............ 50
How your child should wear the seat belt .......................................... 53
Pregnant women, proper seat belt use ......................... 52
Reminder light .....................................364
Seat belt extenders .............................. 53
Seat belt pretensioners ........................51
Seat heaters ............................................ 263
Seat position memory ............................ 47
Seat ventilators ...................................... 263
Seating capacity ..................................... 166
Seats
Adjustment ............................................... 43
Adjustment precautions .................... 43
Child seats/child restraint system installation.............................. 96
Cleaning ................................................ 285
Driver’s seat position memory ....... 44
Front passenger seat position memory .................................................. 47
P
R
S

452
Alphabetical index
ES350_U_(L/O_0708)
Warning messagesDynamic radar
cruise control ....................... 374, 376
Engine oil level .................................... 376
Engine oil maintenance .................. 376
Engine oil pressure ........................... 373
Hood........................................................ 376
Intuitive parking assist
sensor....................................... 374, 376
Moon roof ............................................. 376
Open door ........................................... 376
Parking brake ...................................... 376
Pre-collision system ............. 374, 376
Smart access system with
push-button start ............................. 381
Steering lock ........................................ 374
Traction control .................................. 374
Trunk ........................................................ 376
Vehicle stability control .................. 374
Washer fluid......................................... 376
Washer Checking .................................................315
Preparing and checking before winter ...................................... 167
Switch ........................................................136
Washing and waxing ...........................282
Weight Cargo capacity.....................................163
Load limits ...............................................166
Weight ................................................... 408
Wheels ......................................................328
Window glasses ......................................60
Window lock switch ...............................60
Windows Power windows..................................... 60
Rear window defogger ................... 189
Washer .....................................................136 Windshield wipers
Position..................................................... 170
Windshield wipers.............................. 136
Wireless remote control key
Replacing the battery .......................332
Wireless remote control key...........34
WMA disc ............................................... 205

454
ES350_U_(L/O_0708)
What to do if...
What to do if...
A tire puncturesP. 3 8 4If you have a flat tire
The engine does not start
P. 3 9 4If the engine will not start
P. 7 0Engine immobilizer system
P. 3 9 8If the electronic key does not operate
properly
The shift lever cannot be
moved outP. 3 9 6If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 4 0 3If your vehicle overheats
The key is lostP. 3 9 7If you lose your keys
The battery runs outP. 4 0 0If the vehicle battery is discharged
The doors cannot be lockedP. 3 7Doors
The horn begins to soundP. 7 2Alarm
The vehicle is stuck in mud or
sandP. 4 0 5If the vehicle becomes stuck