2007 Lexus GS350 lights

5
When trouble arises
449
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehicl e in a safe place and contact your Lexus
dealer.
*: Parking brake engaged warning buzzer:
 P. 4 6 3
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Brake system warning light (warning buzzer)*
•Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, bu t then turns off, this does not necessar
-
ily indicate a malfunction in the system.

5
When trouble arises
453
5-2. Steps to take in an emergency
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
●Is the fuel tank cap loose? 
If it is, tighten it securely.
The light will go off after taking several driving trips. 
If the light does not go off even after several trips, contact your Lexus dealer as soon
a
s possible.
■SRS warning light
This warning light system monitors the following:
●The airbag sensor assembly
●Front airbag sensors
●The curtain shield airbag sensors
●The side and curtain shield airbag sensor assemblies
●The driver’s seat position sensor
●Driver’s seat belt buckle switch
●The front passenger occupant classification ECU
●The pressure sensor
●The belt tension sensor
●AIRBAG ON and AIRBAG OFF indicator lights
●Front passenger’s seat belt buckle switch
●The inflators
●The warning light
●The interconnecting wiring and power sources
■Front passenger detection sensor and passenger seat belt reminder
If luggage is placed on the front passenger seat, the front passenger detection sen -
sor may cause the warning light to flash, even if a passenger is not sitting in the seat.

5
When trouble arises
457
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetails
Malfunction in the rear lights system.
Malfunction in the tire pressure warning system.The tire pressure warning light will blink for 1 minute
and then stay on.
(Flashing)
Malfunction in the steering lock system.
(GS430, if equipped)
Malfunction in the active stabilizer suspension sys-
tem.

5
When trouble arises
483
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
P. 9 7), consider each of the following points.
■The engine will not start even wh en the starter motor operates
normally.
One of the following may be the cause of the problem.
● Ther
e 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 mor
e following correct starting
procedures.( P. 9 7 )
● Ther
e may be a malfunction in the engine immobilizer system.
( P. 5 2 )
■ The star
ter motor turns over slow ly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a lo
w vol-
ume
One of the following may be the cause of the problem.
● The batter
y may be discharged. (P. 4 9 2 )
● The batter
y terminal connections may be loose or corroded.
■ The star
ter motor does not turn over, 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 batter
y terminals may be disconnected.
● The batter
y may be discharged. (P. 4 9 2 )

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

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

507
6-1. Specifications
6
Vehicle specifications
Light bulbs
A: D4S high-intensity discharge bulbs
B: HB3 halogen bulbs 
C: Wedge base bulbs (amber) 
D: Wedge base bulbs (clear) 
E: HB4 halogen bulbs 
F: Double end bulbs
Light BulbsBulb No.WTy p e
Exterior
Headlights (low beam)D4S35A
Headlights (high beam)HB360B
Front turn signal lights21C
Parking lights5D
Fog lightsHB451E
Front side marker light1945D
Rear turn signal lights21C
Back-up lights92116D
Trunk light5F
InteriorVanity lights8D

525
6-2. Customization
6
Vehicle specifications
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustomizedsetting
Pow e r w i n -
dows 
(
P. 4 3 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationONOFF
Moon roof 
(
P. 4 6 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Linked operation of com-
ponents when door key is
used
Slide onlyTilt only
Wireless remote control
linked operationONOFF
Linked operation of com-
ponents when wireless
remote control used
Slide onlyTilt only
Automatic
light control
system 
(
P. 1 1 6 )
Light sensor sensitivityLevel 3Levels 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
60 seconds
0 seconds
30 seconds
90 seconds
Daytime running lightONOFF*