key battery Lexus ES350 2008 User Guide

Maintenance and care4
281
ES350_U_(L/O_0708)
4-1. Maintenance and care ............................... 282
Cleaning and protecting the vehicle exterior............ 282
Cleaning and protecting the vehicle interior ............. 285
4-2. Maintenance .................. 288 Maintenance requirements ....................... 288
General maintenance .......... 290
Emission inspection and maintenance (I/M)
programs
................................. 293
4-3. Do-it-yourself maintenance ................ 294
Do-it-yourself service precautions ........................... 294
Hood ......................................... 298
Positioning a floor jack ......... 299
Engine compartment ............. 301
Tires ............................................. 316
Tire inflation pressure ........... 324
Wheels ..................................... 328
Air conditioning filter........... 330
Electronic key battery ......... 332
Checking and replacing fuses......................................... 334 Headlight aim (vehicles with
discharge headlights) ........ 342
Light bulbs................................ 343

332
4-3. Do-it-yourself maintenance
ES350_U_(L/O_0708)
Electronic key battery
Replace the battery with a new one if it is discharged.
■You will need the following items:
● Flathead screwdriver
● Small Phillips-head screwdriver
● Lithium battery (CR1632)
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the +
terminal facing up.
STEP1
STEP2
STEP3

333
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U_(L/O_0708)
■If the electronic key battery is discharged
The following symptoms may occur.
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range is reduced.
■Use a CR1632 lithium battery
●Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by a Lexus dealer.
●Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other components inside the remote control.
●Do not bend either of the battery terminals.

When trouble arises5
351
ES350_U_(L/O_0708)
5-1. Essential information................... 352
If your vehicle needs to be towed ...................................... 352
If you think something is wrong ..................................... 358
Fuel pump shut off system ..................................... 359
Event data recorder .............. 360
5-2. Steps to take in an emergency.................... 362
If a warning light turns on or a warning buzzer
sounds... ................................. 362
If a warning message is displayed ................................ 373
If you have a flat tire .............. 384
If the engine will not start.......................................... 394
If the shift lever cannot be shifted from P........................ 396
If you lose your keys ............... 397
If the electronic key does not operate properly ......... 398
If the vehicle battery is discharged............................ 400
If your vehicle overheats ............................... 403 If the vehicle becomes
stuck........................................ 405

382
5-2. Steps to take in an emergency
ES350_U_(L/O_0708)
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection
procedure
Once3 times
(Flashing)
Indicates that the
driver’s door has
been opened or
closed with the
shift lever in P, the
“ENGINE START
STOP” switch in
any mode other
than OFF and the
electronic key
outside of the
detection area.
Tu r n t h e
“ENGINE START
STOP” switch
OFF or confirm
the location of the
electronic key.
Con-
tinuousCon-
tinuous
(Displayed alternately)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed with the
shift lever out of in
P, the “ENGINE
S TA R T S TO P ”
switch in any
mode other than
OFF and the elec-
tronic key outside
of the detection
area.
• Shift the shift lever to P.
• Confirm the
location of the
electronic key.
Once
(Flashing)
Indicates that the
key battery is low.Replace the bat-
t e r y. ( →P. 3 3 2 )

5
When trouble arises
383
5-2. Steps to take in an emergency
ES350_U_(L/O_0708)*: If the engine does not start when the electronic key is inside the vehicle,
the electronic key battery may be de pleted or there may be difficulties
receiving the signal from the key. ( →P. 2 6 )
Interior
buzzerExterior buzzerWarning messageDetailsCorrection
procedure

Indicates that a
door has been
opened or closed
and the “ENGINE
START STOP”
switch has been
switched twice to
ACC ESSO RY
mode from OFF.
Press the
“ENGINE START
STO P ” s w i t c h
while applying the
brakes.

(Comes on for 15 seconds.)
(Flashing)
Indicates that the
steering lock has
not released.
Press the
“ENGINE START
STO P ” s w i t c h
again while turn-
ing the steering
wheel with the
brake pedal
depressed.
OnceIndicates that the
electronic key
does not operate
properly.
→ P. 3 9 9


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