2010 Lexus GS350 key battery

554
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Interior
buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Once3 times
(Flashing)
The electronic key
was carried out-
side the vehicle
and the driver’s
door was opened
and closed with
the shift lever in P
without turning off
the “ENGINE
START STOP”
switch.Tu r n t h e
“ENGINE
START
STOP”
switch to
OFF or con-
firm the
location of
the elec-
tronic key.
Contin-
uousContin-
uous
(Displayed alternately)
(Flashing)
The electronic key
was carried out-
side the vehicle
and the driver’s
door was opened
and closed while
any shift position
other than P was
selected without
turning off the
“ENGINE START
STOP” switch.
•Shift the
shift lever
to “P”.
•Confirm
the loca-
tion of the
electronic
key.
Once(Comes on for 10 seconds)
(Flashing)
The electronic key
battery is low.Replace the
battery.
(P. 4 8 2 )

568
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (P. 135), consider each of the following points.
■The engine will not start even if you are carrying the correct elec-
tronic key
One of the following may be the cause of the problem.
●There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
●The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. (P. 135)
●There may be a malfunction in the immobilizer system. (P. 8 5 )
■The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume
One of the following may be the cause of the problem.
●The 12 volt battery may be discharged. (P. 5 74 )
●The 12 volt battery terminal connections may be loose or corroded.
■The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound
One of the following may be the cause of the problem.
●One or both of the 12 volt battery terminals may be disconnected.
●The 12 volt battery may be discharged. (P. 5 74 )
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

5
When trouble arises
571
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked
functions
Doors
Using the mechanical key (
P. 25)
in order to perform the following
operations:
Locks all doors
Closes the windows/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/moon roof
(turn and hold)
If communication between the electronic key and vehicle is interrupted
(
P. 33) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.

5
When trouble arises
573
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■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 a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes. (P. 4 8 2 )

574
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
If the 12 volt battery is discharged
The following procedures may be used to start the engine if the 12 volt bat-
tery is discharged.
You can call your Lexus dealer or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12 volt battery, you can jump start your Lexus following the steps
below.
Open the door using the mechanical key, then open the hood.
GS350: Remove the engine compartment covers.
Connect the jumper cables.
GS460
STEP1
STEP2

633
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Back-up lights
Wattage ................................................ 600
Battery
12 volt battery ...................................... 459
Checking ............................................... 459
If the 12 volt battery is 
discharged ........................................ 574
Preparing and checking 
before winter ...................................... 219
Bluetooth
® audio ................................. 308
Bluetooth
® phone ............................... 332
Brake
Fluid .......................................................... 457
Parking brake ........................................ 145
Brake assist ............................................. 200
Care
Exterior ................................................... 430
Interior..................................................... 433
Seat belts ............................................... 434
Cargo capacity ....................................... 214
Cargo hooks .......................................... 408
CD player/changer .............................269
Chains....................................................... 220
Child-protectors ......................................44
Child restraint system
Definition................................................... 110
Installation.................................................. 114
Installing CRS with lower 
anchors ...................................................115
Installing CRS with seatbelts ........... 117
Installing CRS with top straps ......... 121Child safety
Airbag precautions ............................100
Battery precautions ............. 460, 577
Child restraint system ......................... 110
Child-protectors ................................... 44
How your child should wear 
the seatbelt............................................66
Installing child restraints..................... 114
Moon roof precautions....................... 81
Power window lock switch .............. 75
Power window precautions ............ 75
Removed electronic key battery 
precautions....................................... 483
Seat belt comfort guide ..................... 64
Seat belt precautions .......................... 67
Seat heater precautions.................. 401
Trunk precautions................................ 50
Cigarette lighter................................... 398
Cleaning
Exterior................................................... 430
Interior .....................................................433
Seat belts ................................................434
Clock .........................................................395
Coin holder .............................................390
Compass ....................................................417
Condenser .............................................. 457
Console box .......................................... 388
Cooling system
Engine overheating.......................... 578
Cruise control
Cruise control........................................167
Dynamic radar cruise control......... 171
Cup holders ............................................. 391
Curtain shield airbags............................ 93
Customizable features ........................ 618
B
C

634
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Daytime running light system ........... 158
Defogger
Rear window ........................................ 255
Side mirror ............................................ 255
Dimension ............................................... 586
Dinghy towing ........................................ 225
Display
Multi-information display.................154
Touch screen ....................................... 228
Trip information ................................... 155
Warning message............................. 543
Do-it-yourself maintenance ............. 442
Door courtesy lights ............................382
Door pocket............................................ 392
Doors
Door lock...................................29, 41, 43
Rear door child protector ................ 44
Driver’s seat belt reminder light .....536
Driver’s seat position memory ...........55
Driving
Correct posture ...................................... 91
Procedures ............................................. 126
DVD player/changer......................... 280
Electric power steering ..................... 200
Electronic key
If the electronic key does 
not operate properly ...................... 571
Replacing battery .............................. 482Emergency, in case of
If a warning light turns on .............. 534
If a warning message is 
displayed ............................................ 543
If the electronic key does 
not operate properly ..................... 571
If the engine will not 
start .......................................................568
If the shift lever cannot be 
shifted from “P” ............................... 569
If the 12 volt battery is 
discharged ........................................574
If you have a flat tire ........... 556, 566
If you lose your keys ........................ 570
If you think something is 
wrong .................................................. 530
If your vehicle becomes stuck ......581
If your vehicle has to be stopped 
in an emergency ............................ 583
If your vehicle needs to be 
towed ................................................... 520
If your vehicle overheats................ 578
Engine
ACCESSORY mode....................... 136
Compartment ..................................... 448
Engine (ignition) switch.................... 135
Hood ....................................................... 445
How to start the engine ................... 135
If the engine will not start ...............568
Overheating ........................................ 578
Engine compartment cover ............. 450
Engine coolant temperature 
gauge ....................................................... 147D
E

637
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Noise from under the vehicle .............. 18
Odometer ................................................. 147
Oil
Engine oil ................................................. 451
Opener
Fuel filler door ........................................ 82
Hood ....................................................... 445
Trunk........................................................... 48
Outer foot lights ................................... 382
Outside rear view mirrors
Adjusting and folding .......................... 73
Mirror position memory ................... 55
Outside temperature 
display .......................................... 156, 396
Overhead console .............................. 389
Overheating, Engine .......................... 578
Parking brake .......................................... 145
Parking lights
Replacing light bulbs ......................... 512
Switch ........................................................ 157
Wattage ................................................ 600
Personal lights ....................................... 384
Portable music player ........................ 328
Power outlet ........................................... 399
Power windows......................................... 75
Pre-collision system .............................207Radar cruise control ............................... 171
Radiator .................................................... 457
Radio ..........................................................260
Radio data system ................................ 262
Rear sunshade .......................................403
Rear turn signal lights
Replacing light bulbs ......................... 512
Wattage ................................................. 600
Rear view monitor system.................. 196
Rear window defogger ......................255
Replacing
Electronic key battery ......................482
Fuses........................................................ 484
Light bulbs .............................................. 512
Reporting safety defects for 
U.S. owners .......................................... 626
Safety Connect....................................... 421
Seat belts
Adjusting the seat belt ........................ 63
Automatic locking retractor ............66
Child restraint system 
installation .............................................. 114
Cleaning and maintaining 
the seat belts .....................................434
Emergency locking retractor..........66
How to wear your seat belt ............. 63
How your child should wear 
the seat belt ..........................................66
Pre-collision seat belts .......................65
Pregnant women, 
proper seat belt use .........................66
Reminder light .................................... 536
Seat belt extenders .............................. 67
Seat belt pretensioners ......................65N
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