display Lexus GS350 2007 Using the hands-free system / LEXUS 2007 GS430/350 OWNER'S MANUAL (OM30A04U)

When trouble arises5
437
5-1. Essential information ........... 438If your vehicle needs to be 
towed.......................................... 438
If you think something is 
wrong .......................................... 445
Fuel pump shut off system ..... 446
Event data recorder ................. 447 5-2. Steps to take in an

emergency............................ 449
If a warning light turns on or a 
warning buzzer sounds............ 449
If a warning message is 
displayed.................................... 455
If you have a flat tire (Vehicles 
with run-flat tires) .................... 472
If you have a flat tire (Vehicles 
with standard tires) ................. 473
If the engine will not start ....... 483
If the shift lever cannot be 
shifted from P........................... 484
If you lose your keys ................. 485
If the electronic key does 
not operate properly ............ 486
If the vehicle battery is  discharged ............................... 488
If your vehicle overheats ........ 492
If the vehicle becomes  stuck ............................................ 495

452
5-2. Steps to take in an emergency
*2: Open door warning buzzer:
P. 4 6 2
*3: Driver's and front passenger’s seat belt reminder buzzer:
The driver’s and front passenger’s seat belts reminder sounds to alert the driver
and front passenger that his or her seat belt is not fastened. The buzzer sounds
intermittently for 10 seconds after the ve hicle has reached a speed of at lest 12
mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 20 more seconds.
Warning lightWarning light/DetailsCorrection procedure
Driver’s seat belt reminder
light (warning buzzer)
*3
Warns the driver to fasten
his/her seat belt.Fasten the seat belt.
Front passenger’s seat belt
reminder light
(warning buzzer)
*3
Warns the front passenger to
fasten his/her seat belt.
Fasten the seat belt.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure.Adjust the tire inflation pres-
sure.
When the light comes on after
blinking for 1 minute:
Malfunction in the tire pres-
sure warning system.
Have the system checked by
your Lexus dealer.
Master warning light
A buzzer sounds and the
warning light comes on and
flashes to indicate that the
master warning system has
detected a malfunction.
Take appropriate action in
accordance with the message
displayed on the multi-infor-
mation display.

5
When trouble arises
455
5-2. Steps to take in an emergency
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Multi-information display
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur -
rently being displayed on the
multi-information display
.
If any of the warning light turns on again after pe rforming the following
actions, contact your Lexus dealer.

456
5-2. Steps to take in an emergency
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warnings indicate the pos
sibility of damage to
the vehicle that may lead to an acci dent. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Have the vehicle inspected by y our Lexus dealer immediately.
A buzzer sounds and a warning messa ge is shown on the multi-informa-
tion display. Failing to investigate the cause of the follo
wing warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
(Flashing)
Abnormal engine oil pressure.
The warning light may turn on if the engine oil pres-
sure is too low.
Wa r n i n g m e s s a g eDetails
(4WD models)
Malfunction in the 4WD system.
Malfunction in the automatic headlight leveling sys-
tem.

458
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetails

(If equipped)Malfunction in the PCS.
(If equipped)
Intuitive parking assist malfunction. The malfunctioning sensor is shown flashing on the
display. (The illustration shows malfunctioning left
front sensor.)
(Flashing) 
(If equipped)
Malfunction in the radar cruise control system. Stop the vehicle in a safe place. Switch the engine
switch to “OFF” and then to “IG-ON” mode again to
reset the cruise control system.

460
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of th e following warning may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
(GS430)
(GS350)Malfunction in the TRAC, VSC or hill-start assist con-
trol system.
In some cases, only “CHECK VSC” or “CHECK
ECB
*” is displayed.
(GS430)
(GS350)
(U.S.A)
(Canada)
Malfunction in the ABS or BA.In some cases, only “CHECK VSC” or “CHECK
ECB
*” is displayed.

462
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. After taking the spec ified steps to corr
ect the suspected
problem, check that the warning message turns off.
Wa r n i n g m e s s a g eDetailsCorrection procedure
One or more of the doors
is not fully closed.
The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more of
the doors is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Make sure that all of the
doors are closed.
The hood is not fully
closed. flashes and a
buzzer sounds to indi-
cate that hood is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Close the hood.

468
5-2. Steps to take in an emergency
Other messages
If the following message is displayed, take appropriate action and confirm
that the message has disappeared.
MessageDetails
(Flashing)
The driver’s door is opened when the transmission is
out of “P” with the engine on.
Shift the shift lever to “P”.
(If equipped)
Calibrate the neutral position of the steering wheel.
( P. 1 4 8 )

470
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once3 times
(Flashing)
An open door
other than the
driver's door is
closed while the
electronic key is
outside the detec-
tion range and the
engine switch is in
“ACC” or “IG-
ON” mode with
the shift lever in
“P”.
Tu r n t h e
engine
switch
“OFF” or
confirm the
location of
the elec-
tronic key.
Contin-
uousContin-
uous
(Displayed alternately)
(Flashing)
An open door
other than the
driver's door is
closed while the
electronic key is
outside the detec-
tion range and the
engine switch is in
“ACC” or “IG-
ON” mode with
the shift lever not
in “P”.
•Shift the shift lever
to “P”.
•Confirm the loca-
tion of the
electronic
key.
Once
(Flashing)
The electronic key
battery is low.Replace the
battery.
( P. 4 1 1 )

533
Alphabetical index
Installing CRS with lower 
anchorages .......................................... 86
Installing CRS with seatbelts .......... 82
Installing CRS with top straps ........ 87
Child safety Airbag precautions .............................. 67
Child restraint system ........................ 78
Child-protectors..................................... 18
How your child should wear the seat -
belt............................................................ 36
Installing child restraints ...................... 81
Moon roof ................................................ 48
Power window lock switch .............. 43
Power window precautions............ 45
Removed electronic key battery 
precautions ......................................... 412
Seat belt comfort guide...................... 34
Seat belt precautions........................... 37
Seat heater precautions ..... 323, 325
Trunk............................................................ 24
Cigarette lighter ..................................... 321
Cleaning Exterior ................................................... 358
Interior..................................................... 360
Seat belts ................................................. 361
Clock........................................................... 318
Coin holder .............................................. 313
Compass ................................................. 339
Condenser.............................................. 385
Console box.............................................. 311
Cooling system Engine overheating .......................... 496Cruise control
Cruise control........................................ 124
Dynamic radar cruise control........ 127
Cup holders ............................................. 314
Curtain shield airbags............................ 59
Customizable features ....................... 523
Daytime running light system ............. 117
Defogger Rear window ......................................... 198
Side mirror.............................................. 198
Dimension................................................ 498
Dinghy towing ......................................... 178
Display Multi-informatio n display
..................113
Touch screen ........................................ 180
Trip information ..................................... 114
Warning message ............................ 455
Do-it-yourself maintenance ............. 369
Door courtesy lights ............................ 307
Door pocket............................................. 315
Doors Door lock .................................................... 17
Rear door child protector ................. 18
Driver's seat belt reminder light ..... 452
Driving Correct posture..................................... 57
Procedures .............................................. 90
DVD player/changer.......................... 233
Electronic key Replacing battery.................................. 411
If the electronic key does not 
operate properly ........................... 489
D
E