2007 Lexus GS450h lights

5
When trouble arises
445
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failing to investigate the cause of the following 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
Malfunction in the automatic headlight leveling sys-
tem.
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.

5
When trouble arises
471
5-2. Steps to take in an emergency
If the hybrid system will not start
If the hybrid system will not start even though correct starting procedures
are being followed (
P. 103), consider each of the following points.
■The hybrid system will not start ev en if you are carrying the cor-
rect electronic key
One of the following may be the cause of the problem.
● The electronic key battery may be discharged. ( P. 17)
● There may not be sufficient fuel in the vehicle’s tank. 
Add fuel to the vehicle.
● There may be a malfunction in the steering lock system.
● There may be a malfunction in the hybrid vehicle immobilizer sys-
tem. 
( P. 5 9 )
■ The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. ( P. 4 76 )
● The 12 volt battery terminal connections may be loose or cor-
roded.
■ The interior lights and headlights 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 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( P. 4 76 )
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

5
When trouble arises
477
5-2. Steps to take in an emergency
■To prevent 12 volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is 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 12 volt battery is removed or discharged
The hybrid system may not start. ( P. 3 8 0 )
Also, the following systems must be initialized.
●Po w e r w i n d o w s (P. 5 1 )
●Variable gear ratio steering (P. 1 5 3 )
●Tire pressure warning system (P. 3 8 5 )
●Intuitive parking assist (P. 1 5 3 )
Maintain the engine speed on th e second vehicle and turn the
power switch to the “IG-ON” mo de, then start the vehicle’s
hybrid system.
Make sure the “READY” light co mes on. If the light does not
come on, contact your Lexus dealer.
Once the vehicle’s hybrid system has started, remove the
jumper cables in the exact reverse order in which they were
connected.
Once the hybrid system starts, have the vehicle checked at your Lexus
dealer as soon as possible.STEP5
STEP6
STEP7

491
6-1. Specifications
6
Vehicle specifications
Electrical system
Differential
Transmission
12 volt 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 hybrid system and all lights are
turned off.)
Charging rates5A max.
Oil capacity1.42 qt. (1.35 L, 1.19 lmp.qt.)
Oil type and
viscosityToyota Genuine Differential gear oil LT
75W-85
Fluid capacity
Drain and refill
5.7 qt. (5.4 L, 4.8 lmp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterio-
ration in shift quality, locking up of your transmission accompanied by vibration, and
ultimately damage the transmission of your vehicle.

494
6-1. 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

512
6-2. Customization
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustomizedsetting
Pow e r w i n -
dows 
(
P. 5 0 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationONOFF
Moon roof 
(
P. 5 2 )
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. 122)
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
30 seconds
0 seconds
60 seconds
90 seconds
Daytime running lightONOFF*

513
6-2. Customization
6
Vehicle specifications
ItemFunctionDefault settingCustomizedsetting
Windshield
wipers and
washer 
(
P. 1 2 6 )
Switching operation when
the vehicle is stationaryONOFF
Drip prevention functionONOFF
Time elapsed before the
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds
Illumination 
(
P. 3 0 3 )
Time elapsed before lights
turn off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlockedONOFF
Operation after the
power switch turned
“OFF”
ONOFF
Front/rear personal lights
turned on when a door is
openedCorresponding light onlyAll lights
OFF
Foot lights ONOFF
Shift lever lightONOFF
Outer foot lightONOFF
Rear sunshade 
(
P. 3 2 4 )
Time elapsed before the
reverse operation feature
activates
0.7 seconds
0 seconds
0.9 seconds
1.2 seconds

518
Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........ 192
ABS (Anti-lock Brake System) ........ 164
Active stabilizer suspension 
system...................................................... 164
Air conditioning system (A/C) Air conditioning filter .......................399
Automatic air conditioning 
system .................................................... 192
Airbags Airbag operating conditions........... 69
Airbag precautions for your 
child...........................................................72
Airbag warning light ........................ 439
Curtain shield airbag 
precautions .......................................... 75
General airbag precautions ............72
Locations of airbags............................ 66
Modification and disposal of 
airbags .................................................... 76
Side airbag precautions .....................72
Side and curtain shield airbags 
operating conditions ....................... 69
SRS airbags ............................................. 66
Alarm ............................................................. 61
Antenna ....................................................209
Armrest .....................................................323
Ashtrays ..................................................... 316
Audio system Antenna ..................................................209
Cassette player..................................... 212
CD player/changer ........................... 216
DVD information ................................. 251
DVD player/changer...................... 232
DVD video/audio ............................. 235
MP3/WMA disc ............................... 224
Optimal use.......................................... 255
Radio ........................................................ 203 Steering switches .............................. 259
Video CD .............................................. 247
Automatic headlight leveling 
system ...................................................... 124
Automatic light control system......... 122
AVS (Adaptive Variable 
Suspension System) ...........................163
BA (Brake Assist)...................................164
Back-up lights Wattage ................................................. 494
Battery 12 volt battery .......................................379
Checking................................................379
Hybrid battery (Tra ction battery) .... 5
If the 12 volt battery is 
discharged .........................................476
Preparing and checking 
before winter...................................... 176
Bluetooth
®.............................................. 263
Brake Fluid .......................................................... 378
Parking brake............................................111
Care Exterior ................................................... 352
Interior..................................................... 354
Seat belts ............................................... 355
Cargo capacity........................................ 172
Cargo hooks .......................................... 327
CD player/changer............................. 232
Chains ......................................................... 177
Child-protectors...................................... 26
Child restraint system (CRS)
Definition ...................................................82
Installation ................................................ 85
A
B
C