steering Lexus GS350 2007 Using the hands-free system / LEXUS 2007 GS430/350 (OM30A04U) Repair Manual

5
When trouble arises
461
5-2. Steps to take in an emergency
*: Electronically Controlled Brake System
Wa r n i n g m e s s a g eDetails
(GS430)
Malfunction in the VGRS.
(Steering guide symbol
and arrows are flashing)
(GS430)
The steering sensor cable is broken and signals can-
not be received.

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 )

5
When trouble arises
471
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

An open door has
been closed and
the engine switch
has been turned
twice to the
“A C C ” m o d e f r o m
“OFF” mode.
Press the
engine
switch while
applying the
brakes.

(Flashing)
The steering lock
has not released
within 3 seconds
of pressing the
engine switch.
The engine switch
indicator will flash
green for 15 sec-
onds.Press the
engine
switch again
while turn-
ing the
steering
wheel with
the brake
pedal
depressed.

5
When trouble arises
489
5-2. Steps to take in an emergency
■Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the battery is removed or discharged
The following systems must be initialized.
●Po w e r w i n d o w s (P. 4 3 )
●Variable gear ratio steering (P. 1 5 9 )
●Tire pressure warning system (P. 3 9 3 )
●Intuitive parking assist (P. 1 3 6)
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately five
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the engine s
witch “OFF”.
Maintain the engine speed on th e second v
ehicle and turn the
engine switch to the “IG-ON” mode, then start the vehicle’s
engine.
Once the vehicle’s engine ha s star
ted, remove the jumper
cables in the exact reverse ord er in which they w
ere con-
nected.
Once the engine starts, have the ve hicle check
ed at your Lexus dealer
as soon as possible.
STEP3
STEP4
STEP5
STEP6

505
6-1. Specifications
6
Vehicle specifications
Steering
Tires and wheels
Type A
Free playLess than 1.2 in. (30 mm)
Ti r e s i z e245/40R18 93Y, P245/40R18 93V, T155/
70D17 110M (spare)
Front and rear tire inflation 
pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Driving at high speeds above 100 mph
(160km/h) (in countries where such speeds
are permitted by law) Add 9 psi (60 kPa, 0.6 kgf/cm
2 or bar) to
the front tires and rear tires. Never exceed
the maximum cold tire inflation pressure
indicated on the tire sidewall.
Spare tire inflation pressure 
(Recommended cold tire inflation
pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Wheel size18  8 JJ, 17  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

516
6-1. Specifications
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excess iv
e loading, either separately or in
combination, can cause heat buildup and possible tire failure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of transmission, power
steering, power brakes, power windows, power seats,
radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipp ed, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of: 
(a) Curb weight 
(b) Accessory weight
(c) Vehicle capacity weight 
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows

527
6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Pow e r w i n d ow
• After reconnecting or changing the battery
• After changing a fuse
P. 4 4
Variable gear ratio
steeringP. 1 4 8
Intuitive parking assistP. 1 4 8
Engine oil maintenance
data• After changing engine oilP. 3 8 2
Tire pressure warning
system
• When rotating the tires on vehicles differing with front and rear tire infla-
tion pressures.
• When changing the tire inflation pressure by changing traveling speed
or load weight, etc.
• When changing the tire size.
P. 3 9 3
After reconnecting or performing main tenance on the battery, the follow-
ing items must be initialized for normal system operation.

532
Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........190
ABS (Anti-lock Brake System) ........ 159
Active stabilizer suspension 
system...................................................... 159
Air conditioning system (A/C) Air conditioning filter ....................... 407
Automatic air conditioning 
system ................................................... 190
Airbags Airbag operating conditions........... 63
Airbag precautions for your 
child.......................................................... 67
Airbag warning light ........................ 450
Curtain shield airbag 
precautions .......................................... 70
Front passenger occupant 
classification system.......................... 72
General airbag precautions ........... 67
Locations of airbags............................ 59
Modification and disposal of 
airbags ...................................................... 71
Side airbag precautions .................... 67
Side and curtain shield airbags 
operating conditions ....................... 63
SRS airbags ............................................. 59
Alarm ............................................................ 54
Antenna ................................................... 208
Armrest ..................................................... 327
Ashtrays .................................................... 320
Audio system Antenna .................................................. 208
Cassette player....................................... 211
CD player/changer ........................... 216
DVD information ............................... 253
DVD player/changer...................... 233
DVD video/audio ............................. 236
MP3/WMA disc ............................... 224Optimal use .........................................
258
Radio ....................................................... 202
Steering switches ............................... 262
Video CD .............................................. 249
Automatic headlight leveling 
system ....................................................... 118
Automatic light control system.......... 116
AVS (Adaptive Variable 
Suspension System) .......................... 158
BA (Brake Assist).................................. 159
Back-up lights Wattage ................................................. 508
Battery Checking............................................... 387
If the vehicle battery is 
discharged .........................................492
Preparing and checking 
before winter.......................................172
Bluetooth
®..............................................265
Brake Fluid .......................................................... 386
Parking brake........................................ 105
Care Exterior ................................................... 358
Interior..................................................... 360
Seat belts ................................................. 361
Cargo capacity....................................... 168
Cargo hooks ............................................ 331
CD player/changer............................. 233
Chains ......................................................... 174
Child-protectors........................................ 18
Child restraint system (CRS)
Definition ................................................... 78
Installation .................................................. 81
A
B
C

534
Alphabetical index
Emergency, in case ofIf a warning light turns on .............. 449
If a warning message is 
displayed ............................................455
If the engine will not start ............... 486
If the shift lever cannot be 
shifted from P ................................... 487
If the battery is discharged ........... 492
If you have a flat tire ............. 474, 476
If you lose your keys........................ 488
If you think something is 
wrong ................................................... 445
If your vehicle becomes stuck..... 499
If your vehicle needs to be 
towed ...................................................438
If your vehicle overheats ................ 496
If the electronic key does not 
operate properly ............................489
Engine Compartment ..................................... 376
Hood........................................................ 373
How to start the engine..................... 97
If the engine will not start ............... 486
Overheating......................................... 496
Power switch .......................................... 97
Engine compartment cover ............. 378
Engine coolant temperature 
gauge....................................................... 106
Engine/inverter coolant Capacity ................................................. 502
Checking ............................................... 384
Preparing and checking  before winter ...................................... 172
Engine immobilizer system.................. 52
Engine oil Capacity .................................................. 501
Checking ............................................... 379Preparing and checking

before winter.......................................172
Engine oil maintenance data ........... 382
EPS (Electric Power Steering) ........ 159
Event data recorder ............................ 447
First-aid kit storage belt ....................... 331
Floor mats ................................................ 330
Fluid Brake ....................................................... 386
Washer................................................... 390
Fog lights Switch .......................................................... 119
Wattage ................................................. 508
Foot light .................................................. 307
Front passenger occupant 
classification system .............................72
Front passenger's seat belt 
reminder light ..................................... 452
Front seats Adjustment ............................................... 25
Driving position memory .................. 27
Front turn signal lights Wattage ................................................. 508
Fuel Capacity ................................................ 500
Fuel gauge .............................................. 106
Fuel pump shut off system ............ 446
Gas station information ................. 542
Information ........................................... 509
Refueling .................................................... 49
Fuel filler door ........................................... 49
Fuel pump shut off system................. 446
Fuses ............................................................ 413
F

537
Alphabetical index
Reminder light.....................................452
Seat belt extenders .............................. 36
Seat belt pretensioners....................... 34
Seat heaters................................. 323, 325
Seat ventilators...................................... 325
Seating capacity ....................................... 171
Seats Child seats/child restraint 
system installation ............................... 81
Cleaning ................................................ 360
Driving position memory .................. 27
Head restraint ........................................ 30
Properly sitting in the seat................. 57
Seat adjustment ...................................... 25
Seat adjustment precautions ........... 25
Seat heaters.............................. 323, 325
Ventilated seats .................................. 325
Service reminder indicators ................ 111
Shift lever If the shift lever cannot be 
shifted from P ................................... 487
Transmission ......................................... 100
Shift lock system .................................... 487
Shopping bag hooks ............................. 331
Side airbags ............................................... 59
Side marker lights Switch .......................................................... 116
Side mirror Adjusting and folding ........................... 41
Driving position memory .................. 27
Smart access system with 
push-button start Antenna location ...................................... 6
Entry function ............................................. 4
Starting the hybrid system ................ 97
Spare tire Inflation pressure ............................... 506Spare tire ................................................
477
Spark plug................................................ 502
Specifications ......................................... 498
Speedometer .......................................... 106
Steering wheel Adjustment ............................................... 39
Audio switches.................................... 262
Driving position memory .................. 27
Storage compartment ......................... 313
Storage feature....................................... 310
Stuck If your vehicle becomes stuck .... 499
Sun visors .................................................. 316
Switch Fog light switch ...................................... 119
Lexus link system switches............ 343
Light switches ......................................... 116
Mode select switch .............................. 101
Power door lock switch ...................... 17
Power switch........................................... 97
Power window switch ........................ 43
Window lock switch............................ 43
Wipers and washer switch ............ 120
Tail lights Switch.......................................................... 116
Theft deterrent system Alarm........................................................... 54
Engine immobilizer system.............. 52
Theft prevention labels .......................... 56
Tire inflation pressure ......................... 506
Tire information Glossary .................................................. 519
Size ............................................................. 516
Tire identification number............... 514
Uniform tire quality grading ........... 517
T