
5
When trouble arises
555
5-2. Steps to take in an emergency
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
InteriorbuzzerExterior 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 (OM30C11U)
October 28, 2011 5:15 pm
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (→P. 133), 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. 133)
● 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 ov er, 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 (OM30C11U)
October 28, 2011 5:15 pm
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. 2 5 )
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 (OM30C11U)
October 28, 2011 5:15 pm
■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 (OM30C11U)
October 28, 2011 5:15 pm
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

639
Alphabetical index
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
Back-up lightsWattage .................................................598
Battery 12 volt battery ...................................... 459
Checking ............................................... 459
If the 12 volt battery is
discharged ........................................ 574
Preparing and checking
before winter...................................... 218
Bluetooth
® audio ................................. 308
Bluetooth
® phone ............................... 332
Brake
Fluid .......................................................... 457
Parking brake ........................................ 143
Brake assist ............................................... 199
Care Exterior ................................................... 430
Interior..................................................... 433
Seat belts ............................................... 434
Cargo capacity ....................................... 213
Cargo hooks .......................................... 408
CD player/changer .............................269
Chains......................................................... 219
Child-protectors ......................................44
Child restraint system Definition..................................................109
Installation..................................................113
Installing CRS with lower anchors ................................................... 114
Installing CRS with seatbelts ...........116
Installing CRS with top straps ....... 120 Child safety
Airbag precautions ..............................99
Battery precautions ............. 460, 577
Child restraint system ....................... 109
Child-protectors ................................... 44
How your child should wear
the seatbelt............................................66
Installing child restraints..................... 113
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 ................................................... 418
Condenser .............................................. 457
Console box .......................................... 388
Cooling system Engine overheating.......................... 578
Cruise control
Cruise control....................................... 165
Dynamic radar cruise control....... 169
Cup holders ............................................. 391
Curtain shield airbags............................ 92
Customizable features ........................ 616
B
C

640
Alphabetical index
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
Daytime running light system ........... 156
DefoggerRear window........................................255
Side mirror ............................................255
Dimension ............................................... 584
Dinghy towing ........................................ 224
Display Multi-information display................. 152
Touch screen ....................................... 228
Trip information ....................................153
Warning message............................. 544
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 .................................... 90
Procedures ............................................. 124
DVD player/changer......................... 280
Electric power steering ....................... 199
Electronic key If the electronic key does not operate properly ...................... 571
Replacing battery .............................. 482 Emergency, in case of
If a warning light turns on .............. 534
If a warning message is displayed ............................................ 544
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 ............ 557, 567
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 ............................ 582
If your vehicle needs to be
towed ................................................... 520
If your vehicle overheats................ 578
Engine ACCESSORY mode....................... 134
Compartment ..................................... 448
Engine (ignition) switch.................... 133
Hood ....................................................... 445
How to start the engine ................... 133
If the engine will not start ...............568
Overheating ........................................ 578
Engine compartment cover ............. 450
Engine coolant temperature gauge .......................................................145D
E

643
Alphabetical index
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
Noise from under the vehicle ..............18
Odometer ................................................. 145
OilEngine 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 .......................................... 154, 396
Overhead console .............................. 389
Overheating, Engine .......................... 578
Parking brake .......................................... 143
Parking lights
Replacing light bulbs ......................... 512
Switch ........................................................155
Wattage .................................................598
Personal lights ....................................... 384
Portable music player ........................ 328
Power outlet ........................................... 399
Power windows.........................................75
Pre-collision system ............................ 206 Radar cruise control ............................. 169
Radiator .................................................... 457
Radio .......................................................... 260
Radio data system ................................ 262
Rear sunshade .......................................403
Rear turn signal lights
Replacing light bulbs ......................... 512
Wattage................................................. 598
Rear view monitor system.................. 194
Rear window defogger ......................255
Replacing Electronic key battery ......................482
Fuses........................................................ 484
Light bulbs .............................................. 512
Reporting safety defects for U.S. owners .......................................... 624
Safety Connect...................................... 422
Seat belts Adjusting the seat belt ........................ 63
Automatic locking retractor ............66
Child restraint system
installation.............................................. 113
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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