2007 Lexus GS350 check engine

464
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
(U.S.A. only)
The engine oil is sched-
uled to be changed.
Check the engine oil, and
change if necessary.
Comes on approximately
4500 miles (7200 km)
after the engine oil is
changed. (The indicator
will not work properly
unless the oil mainte-
nance data has been
reset).
(U.S.A. only)
The engine oil should be
changed.
Check and change the
engine oil.
Comes on approximately
5000 miles (8000 km)
after the engine oil is
changed (and the oil
maintenance data has
been reset).

Low tire inflation pres-
sure.Check the tire inflation
pressure, and adjust to the
appropriate level.

5
When trouble arises
469
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check
that the warning massage and light turn off.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once(Comes on for 8 seconds.)
(Flashing)
The electronic key
is not detected
when attempting
to start the
engine.Confirm the
location of
the elec-
tronic key.
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.
Confirm the
location of
the elec-
tronic key.

480
5-2. Steps to take in an emergency
CAUTION
■Using the tire jack
Improper use of the tire jack may lead to death or injuries due to the vehicle sud-
denly falling off the jack.
●Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire. 
Do not use it on other vehicles, and do no t use other tire jacks for replacing tires
on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not raise the vehicle while someone is in it.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greate r than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●Do not put any part of your body under the vehicle supported by a jack.
●Do not start or run the engine while your vehicle is supported by the jack.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
■Replacing a flat tire
Observe the following precautions to reduce the risk of injury.
●Never use oil or grease on the wheel bolts or wheel nuts. 
The oil or grease can cause the wheel nuts to loosen, causing a serious accident.
Remove any oil or grease on the wheel bolts or wheel nuts.
●Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103 N•m, 10.5
kgf•m) as soon as possible after changing wheels. 
Failure to follow these precautions could cause the nuts to loosen and the wheels
may fall off, which could lead to an accident causing death or serious injury.

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

492
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the automatic air
conditioning system.
Check to see if steam is coming out from under the hood.
If you see steam: 
Stop the engine and car efully lif
t the hood.
If you do not see steam: Leave the engine running and carefully lift the hood.
Remove the engine compartment cover. ( P. 3 7 8 )
Check to see if the cooling fan is operating.
If the fan is operating: 
Wait until the engine coolant temperature gauge begins to
fall and then stop the engine.
If the fan is not operating: 
Stop the engine immediately and call y
our local Lexus
dealer.
After the engine has cooled
do
wn sufficiently, check the
coolant level and inspect the
radiator core (radiator) for any
leaks.
STEP1
STEP2
STEP3
STEP4
STEP5

5
When trouble arises
493
5-2. Steps to take in an emergency
■Overheating
In the following situations, your vehicle may be overheating.
●The engine coolant temperature gauge enters the red zone or a loss of power is
experienced.
●Steam is coming from under the hood.
CAUTION
■To prevent an accident or injury when in specting under the hood of your vehicle
●Keep hands and clothing away from the fan and engine drive belt while the
engine is running.
●Do not loosen the radiator cap while the engine and radiator are hot. 
Serious injury, such as burns, may resu lt from hot coolant and steam released
under pressure.
Add coolant if required.
Water can be used in an emer -
gency measure if coolant is
una
vailable. ( P. 5 0 2 )
Have the vehicle checked at your nearest Lexus dealer as soon as pos-
sible.
STEP6

503
6-1. Specifications
6
Vehicle specifications
Electrical system
Differential
Battery
Open voltage at
68F (20 C):12.6  12.8V Fully charged 
12.2  12.4V Half charged 
11.8  12.0V Discharged 
(Voltage is checked 20 minutes after
the engine and all lights are turned off.)
Charging rates5A max.
GS430GS350 (2WD)GS350 (4WD)
Oil capacity1.42 qt. 
(1.35 L, 1.19 lmp.qt.)1.42 qt. 
(1.35 L, 1.19 lmp.qt.)
Front: 0.73 qt. 
(0.70 L, 0.61 lmp.qt.)
Rear: 1.42 qt. 
(1.35 L, 1.19 lmp.qt.)
Oil type and
viscosityToyota Genuine Synthetic Differential Gear Oil
API GL-5 SAE 75W-85

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