2010 Lexus ES350 key battery

5
When trouble arises
475
5-2. Steps to take in an emergency
ES350_U
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 (oP. 24) in order to perform
the following 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
( o P. 30) or the electronic key cannot 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.

476
5-2. Steps to take in an emergency
ES350_U
Changing “ENGINE START STOP” switch modes and starting the engine
Shift the shift lever to 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 ST OP” 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. (o P. 1 2 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. ( oP. 4 0 4 )
STEP3

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Alphabetical index
ES350_U
Back-up lightsReplacing light bulbs ......................... 417
Wattage ................................................. 495
Battery
Checking ............................................... 383
If the vehicle has discharged battery...................................................477
Preparing and checking
before winter ......................................184
Bluetooth
®.............................................. 275
Brake Fluid ..........................................................380
Parking brake ........................................ 132
Brake assist ................................................171
Break-in tips ............................................... 117
Care Exterior ................................................... 354
Interior..................................................... 357
Seat belts ...............................................358
Cargo capacity ...................................... 180
Cargo hooks .......................................... 334
CD changer ............................................. 218
CD player.................................................. 218
Chains......................................................... 186
Child restraint system Booster seats, definition.................... 101
Booster seats, installation ............... 108
Convertible seats, definition ........... 101
Convertible seats, installation ...... 108
Front passenger occupant classification system ........................ 96
Infant seats, definition ......................... 101
Infant seats, installation..................... 108 Installing CRS with lower
anchorages......................................... 106
Installing CRS with seat belts ........ 108
Installing CRS with top straps........... 111
Child safety Airbag precautions ................................91
Battery precautions ............. 385, 479
Child restraint system ......................... 101
Child-protectors ................................... 42
How your child should wear
the seat belt ............................................61
Installing child restraints................... 105
Moon roof precautions...................... 74
Power window lock switch ..............68
Power window precautions ............ 70
Removed electronic key
battery precautions ...................... 405
Seat belt comfort guide .....................59
Seat belt extender precautions...... 63
Seat belt precautions ............................61
Seat heater precautions.................. 326
Trunk precautions................................. 47
Child-protectors ...................................... 42
Cigarette lighter.................................... 322
Cleaning Exterior....................................................354
Interior .....................................................357
Seat belts ............................................... 358
Clock .........................................................320
Coat hooks .............................................. 332
Compass .................................................. 342
Condenser ............................................. 380
Console box ............................................ 313
B
C

530
Alphabetical index
ES350_U
Cooling systemEngine overheating ......................... 480
Cornering assist sensors .................... 165
Cruise control Cruise control .......................................152
Dynamic radar crui se control ...... 155
Cup holders ............................................. 315
Curtain shield airbags............................85
Customizable features ..........................511
Daytime running light system ........... 146
Defogger Rear window........................................ 207
Side mirror ............................................ 207
Dimension ................................................486
Dinghy towing ......................................... 197
Display Dynamic radar crui se control ...... 155
Trip information ......................................141
Warning message............................. 449
Do-it-yourself maintenance .............366
Door courtesy lights Door courtesy lights........................ 308
Wattage.................................................. 495
Doors Door glasses ........................................... 68
Door lock.................................. 26, 38, 41
Side mirrors ............................................. 66
Driver's seat belt reminder light ...... 441
Driving Break-in tips ............................................. 117
Correct posture .................................... 83
Procedures .............................................. 116
Winter driving tips.............................. 184
Driving position memory ......................50 Electronic key
If the electronic key does not
operate properly.............................475
Emergency, in case of
If the electronic key does not operate properly.............................475
If the engine will not start ................. 471
If the shift lever cannot be shifted from P....................................473
If the vehicle has discharged
battery .................................................. 477
If the warning buzzer sounds...... 439
If the warning light turns on.......... 439
If the warning message is
displayed ............................................ 449
If you have a flat tire .......................... 461
If you lose your keys ......................... 474
If you think something is
wrong .................................................. 435
If your vehicle becomes stuck .... 483
If your vehicle needs to be towed ....................................................429
If your vehicle overheats................480
Emergency flashers
Switch...................................................... 428
Engine
Compartment ......................................373
Engine switch ........................................ 124
Hood ....................................................... 370
How to start the engine ................... 124
Identification number ...................... 487
If the engine will not start ................. 471
Ignition switch ....................................... 124
Overheating ........................................480
Engine compartment cover ............. 374
D
E

534
Alphabetical index
ES350_U
Parking assist sensors .......................... 165
Parking brake .......................................... 132
Parking lightsSwitch ........................................................145
Wattage.................................................. 495
PCS ..............................................................176
Personal lights Switch ....................................................... 310
Wattage.................................................. 495
Power outlet............................................323
Power steering fluid .............................. 381
Power windows ........................................68
Pre-collision system...............................176
Radar cruise control ............................. 155
Radiator ................................................... 380
Radio ...................................................................211
Radio data system ................................. 212
RDS ............................................................. 212
Rear side marker lights
Replacing light bulbs.......................... 417
Wattage.................................................. 495
Rear sunshade ....................................... 329
Rear turn signal lights Replacing light bulbs.......................... 417
Wattage.................................................. 495
Rear window de fogger....................... 207
Replacing
Electronic key battery......................404
Fuses ........................................................406
Light bulbs............................................... 417
Reporting safety defects for
U.S. owners .......................................... 522 Safety Connect ..................................... 346
Seat belts
Adjusting the seat belt ....................... 59
Automatic Locking Retractor ........ 60
Child restraint system installation ............................................105
Cleaning and maintaining the seat belts .................................... 358
Emergency Locking Retractor ..... 60
How to wear your seat belt ............ 58
How your child should wear the seat belt............................................ 61
Pregnant women, proper seat belt use ........................ 60
Reminder light....................................... 441
Seat belt extenders................................ 61
Seat belt pretensioners ..................... 59
Seat heaters .................................324, 326
Seat position memory............................ 54
Seat ventilators ...................................... 326
Seating capacity..................................... 183
Seats
Adjustment ...............................................49
Adjustment precautions ....................49
Child seats/child restraint system installation ............................105
Cleaning .................................................357
Driver’s seat position memory ...... 50
Front passenger seat position memory ..................................................54
Head restraint ........................................ 56
Properly sitting in the seat................ 83
Seat heaters ..........................................326
Ventilated seats...................................326
Service reminder indicators .............136P
R
S

537
Alphabetical index
ES350_U
Warning messagesDynamic radar
cruise control .......................450, 452
Engine oil level .................................... 452
Engine oil maintenance.................. 452
Engine oil pressure........................... 449
Hood ....................................................... 452
Intuitive parking assist
sensor ......................................450, 452
Moon roof ............................................. 452
Open door ........................................... 452
Parking brake ...................................... 452
Pre-collision system .............450, 452
Smart access system with
push-button start............................ 458
Steering lock ........................................ 450
Traction control.................................. 450
Trunk ........................................................ 452
Vehicle stability control ..................450
Washer fluid......................................... 452
Washer Checking ............................................... 386
Preparing and checking before winter ......................................184
Switch ........................................................ 149
Washing and waxing .......................... 354
Weight Cargo capacity ................................... 180
Load limits ...............................................183
Weight .................................................... 486
Wheels ..................................................... 400
Window glasses ...................................... 68
Window lock switch............................... 68 Windows
Power windows .....................................68
Rear window defogger................... 207
Washer .................................................... 149
Windshield wipers Position..................................................... 187
Windshield wipers ............................. 149
Wireless remote control key
Replacing the battery...................... 404
Wireless remote control key ..........38
WMA disc ............................................... 226

538
ES350_U
What to do if...
What to do if...
A tire puncturesP. 4 6 1If you have a flat tire
The engine does not start
P. 4 7 1If the engine will not start
P. 7 8Engine immobilizer system
P. 4 7 5If the electronic key does not operate
properly
The shift lever cannot be
moved outP. 4 7 3If 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 8 0If your vehicle overheats
The key is lostP. 4 74If you lose your keys
The battery runs outP. 4 7 7If the vehicle battery is discharged
The doors cannot be lockedP. 4 1Doors
The horn begins to soundP. 8 0Alarm
The vehicle is stuck in mud or
sandP. 4 8 3If the vehicle becomes stuck