warning Lexus GS350 2007 Do-it-yourself maintenance / LEXUS 2007 GS430/350 OWNER'S MANUAL (OM30A04U)

TABLE OF CONTENTSIndex
ii
1-1. Key information .............................. 2Keys ......................................................... 2
1-2. Opening, closing and locking 
the doors and trunk ..................... 4
Smart access system with  push-button start ............................. 4
Wireless remote control ............... 14
Doors...................................................... 17
Trunk...................................................... 21
1-3. Adjustable components ............ 25 Front seats .......................................... 25
Driving position memory 
system ............................................... 27
Head restraints................................ 30
Seat belts ............................................ 33
Steering wheel.................................. 39
Inside rear view mirror .................. 40
Outside rear view mirrors ............ 41
1-4. Opening and closing the 
windows and moon roof .......... 43
Power windows................................ 43
Moon roof .......................................... 46
1-5. Refueling ........................................ 49 Opening the fuel tank cap ........... 49 1-6. Anti-theft system ......................... 52
Engine immobilizer system ......... 52
Alarm.................................................... 54
Theft prevention labels 
(U.S.A.) ............................................. 56
1-7. Safety information ....................... 57 Correct driving posture ............... 57
SRS airbags ....................................... 59
Front passenger occupant 
classification system .................... 70
Child restraint sy stems ................. 76
Installing child restraints ............... 79
2-1. Driving procedures..................... 90 Driving the vehicle .......................... 90
Starting the engine ......................... 97
Transmission ................................... 100
Turn signal lever............................. 104
Parking brake ................................. 105
2-2. Instrument cluster ..................... 106 Gauges and meters ..................... 106
Indicators and warning lights .... 110
Multi-information display............. 113
2-3. Operating the lights and 
windshield wipers..................... 116
Headlight switch .............................. 116
1Before driving
2When driving

1
2
3
4
5
6
7
v
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
6-1. Specifications............................ 498 Maintenance data ....................... 498
Fuel information ........................... 508
Tire information................................ 511
6-2. Customization .......................... 523 Customizable features .............. 523
6-3. Initialization ................................ 527 Items to initialize ........................... 527 Reporting safety defects for

U.S. owners................................. 530
Alphabetical index................... 532
What to do if............................... 540
6Vehicle specifications
7For US owners
Index

xix
Symbols used throughout this manual
Cautions & Notices
Safety symbol
CAUTION
This is a warning against anything which may cause injury to people if the warning is
ignored. You are informed about what you must or must not do in order to reduce the
risk of injury to yourself and others.
NOTICE
This is a warning against anything which may cause damage to the vehicle or its
equipment if the warning is ignored. You are informed about what you must or must
not do in order to avoid or reduce the risk of damage to your Lexus and its equipment.
Throughout this manual, you will also see the symbol of a circle
with a slash through it. This mea ns “Do not”, “Do not do this”, or
“Do not let this happen”.

11
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■Alarms and warning indicators
A combination of exterior and interior alarms as well as warnings displayed on the
multi-information display are used to prevent theft of the vehicle and unforeseeable
accidents resulting from erroneous operation. Take appropriate measures in
response to any warning indications on the multi-information display. (P. 4 6 2 )
The following table describes circumstances and correction procedures when only
alarms are sounded.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 2
seconds
Tried to lock the doors using
the entry function while the
electronic key is still inside
the passenger compartmentRetrieve the electronic
key from the passenger
compartment and lock
the doors again.
Tried to exit the vehicle with
the electronic key and lock
the doors without first turning
the engine switch “OFF”Turn the engine switch
“OFF” and lock the
doors again.
Closed the trunk while the
electronic key is still inside
and all doors are lockedRetrieve the electronic
key from the trunk and
close the trunk lid.
Exterior alarm
sounds once for 10
secondsTried to lock the vehicle using
the entry function while a
door is openClose all of the doors
and lock the doors
again.
Interior alarm
sounds continu-
ouslyTried to open the door and
exit the vehicle without shift-
ing the shift lever to “P”Shift the shift lever to
“P”.

12
1-2. Opening, closing and locking the doors and trunk
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and trunk: Use the mechanical key.
(  P. 4 8 6 )
●Starting the engine: P. 4 8 7
■When the electronic key battery is fully depleted
P. 4 0 9
■Customization
Settings (e.g. smart access system with push -button start, anti-theft system) can be
changed. ( P. 5 2 3 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING: 
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
AlarmSituationCorrection procedure
Interior alarm rings
continuously
Switched to “ACC” mode
while the driver's door is
open (Opened the driver's
door when the engine switch
is in “ACC” mode.)
Turn the engine switch
“OFF” and close the
driver's door.
Turned the engine switch
“OFF” while the driver's door
is open
Close the driver's door.
FCC ID: NI4TMLF-1

16
1-2. Opening, closing and locking the doors and trunk
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
■Certification for wireless remote control
For vehicles sold in the Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.

60
1-7. Safety information
Airbag system components
Occupant detection system
(ECU and sensors)
Front passenger’s seat belt
buckle switch
Knee airbag
Front passenger airbag
Curtain shield airbag
Front side airbag
Side and curtain shield airbag
sensor
Curtain shield airbag sensorSRS warning light
Rear side airbag (if equipped)
Driver airbag
Driver’s seat belt buckle switch
Driver’s seat position sensor
AIRBAG ON and AIRBAG
OFF indicator lights
Airbag sensor assembly
Front airbag sensor
Curtain shield airbag
Can help protect primarily the head of fr
ont occupants and rear out-
board occupants.

70
1-7. Safety information
Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification sys-
tem. This system detects the conditions of the front passenger seat and
activ
ates or deactivates the devices for front passenger.
SRS warning light
AIRBAG OFF indicator light
AIRBAG ON indicator light
Front passenger’s seat belt reminder light

71
1-7. Safety information
1
Before driving
Condition and operation in the front passenger occupant classification system
■Adult*1
■Child*3 or child restraint system*4
Indicator/
warning light AIRBAG ON and AIRBAG OFF
indicator lights AIRBAG
ON
SRS warning light Off
Front passenger’s seat belt reminder light Flashing
*2
DevicesFront passenger airbag
Activated
Side airbag on the right side
passenger seats
Curtain shield airbag in the front passenger side
Front passenger knee airbag
Front passenger’s seat belt pretensioner
Indicator/
warning light AIRBAG ON and AIRBAG OFF
indicator lights AIRBAG
OFF*5
SRS warning light Off
Front passenger’s seat belt reminder light Flashing
*2
DevicesFront passenger airbag
Deactivated
Side airbag on the right side
passenger seats
Curtain shield airbag in the front passenger side Activated
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner Activated

72
1-7. Safety information
■Unoccupied
Indicator/
warning light AIRBAG ON and AIRBAG OFF
indicator lights Not illumi-
nated
SRS warning light Off
Front passenger’s seat belt reminder light
Devices Front passenger airbag
Deactivated
Side airbag on the right side
passenger seats
Curtain shield airbag in the front passenger side Activated
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner