turn signal Lexus GS450h 2007 Using the audio system / LEXUS 2007 GS450H FROM JULY 2006 PROD. (OM30A05U) User Guide

411
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
39RR J/B80STOP LP R, STOP LP L, RR TAIL,
PSB, RR FOG, RR-IG1
40OIL PUMP60Tr a n s m i s s i o n
41EPS80EPS
42P/ I - B 160EFI, F/PMP, INJ
43E/G-B30EM-VLV, FR CTRL-B, ETCS
44MAIN30H-LP R LWR, H-LP L LWR
45VGRS40VGRS
46ABS150ABS MOTOR, ABS MAIN1, 
ABS MAIN2
47P/ I - B 260A/F, BATT FAN, IGCT, INV W/P
48BATT FAN20Electric cooling fans
49RAD No.130Audio system
50RAD No.230Audio system
51IG2 MAIN20IG2, GAUGE, IGN
52TURN-HAZ15Front turn signal lights, rear turn 
signal lights
53ABS MAIN310Electronically controlled brake sys-
tem
54ECU-B10VGRS, EPS, Lexus Link System ECU

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Light bulbs
You may replace the following bulbs yourself. For more information about
replacing other light bulbs, contact your Lexus dealer.
■Prepare a replacement light bulb.
Check the wattage of the light bulb being replaced. ( P. 494)
■ Remove the engine compartment cover if necessary.
 P. 3 7 0
■ Front bulb locations
■ Rear bulb locations
Parking light
Headlight high beam
Rear turn signal light Back-up light

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4-3. Do-it-yourself maintenance
Remove the light bulb.
■ Rear turn signal light
Open the trunk lid and remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.STEP3
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■Bulbs other than the above
If any of the bulbs listed below has burnt out, have your Lexus dealer
replace it.
●Headlight low beams (high-intensity discharge bulbs)
● Fog lights
● Front turn signal lights
● Front side marker lights
● Stop/tail lights
● Tail lights
● Rear side marker lights
● High mounted stoplight
● License plate lights
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more inform ation in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
●Large drops of water are built up on the inside of the lens.
●Water has built up in side the headlight.
■LED light bulbs
The tail, tail/stop and high mounted stopligh ts consist of a number of LEDs. If any
LEDs burn out, take your vehicle to your Lexus dealer to have the light replaced.
If two or more LEDs in a stoplight burn out, your vehicle may not conform to local
laws (SAE).
■High-intensity discharge (HID) headlights
If voltage to the high-intensity discharge bu lbs is insufficient, the light may not come
on, or may go out temporarily. The high-i ntensity discharge bulbs will come on
when normal power is restored.

5
When trouble arises
447
5-2. Steps to take in an emergency
■If the tire pressure warning system is inoperative
The system will be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmitters are used.
●If the ID code on the tire pressure warning valves and transmitters is not regis-
tered in the tire pressure warning computer.
●If the tire inflation pressure is more than 73 psi (500 kPa, 5.1 kgf/cm2 or bar).
The system may be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If the tire pressure warning select switch is set to a different tire setting.
●If there is a lot of snow or ice on the vehicle, in particular around the wheels or
wheel housings.
●If non-genuine Lexus wheels are used.
●If tire chains are used.
■If the tire pressure warning light comes on after blinking for 1 minute frequently
If the tire pressure warning light comes on after blinking for 1 minute frequently
when the power switch is turned to “IG-ON” mode, have it checked by your Lexus
dealer.
NOTICE
■Precaution when insta lling a different tire
When a tire of a different specification or maker is installed, the tire pressure warn-
ing system may not operate properly.

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

520
Alphabetical index
Emergency, in case ofIf a warning light turns on ..............438
If a warning message is 
displayed ............................................ 444
If the hybrid system will not 
start.......................................................... 471
If the shift lever cannot be  shifted from P ....................................472
If the 12 volt battery is 
discharged ....................................... 476
If you have a flat tire .............. 460, 461
If you lose your keys......................... 473
If you think something is 
wrong ................................................... 435
If your vehicle becomes stuck.....483
If your vehicle needs to be 
towed ................................................... 428
If your vehicle overheats ............... 480
When the electronic key battery 
is discharged .................................... 474
Energy monitor............................................ 6
Engine Compartment .....................................369
Hood........................................................366
How to start the hybrid system ... 103
If the hybrid system will not 
start.......................................................... 471
Overheating........................................ 480
Power switch ........................................ 103
Engine compartment cover .............370
Engine coolant temperature 
gauge......................................................... 112
Engine/inverter coolant Capacity .................................................490
Checking ............................................... 376
Preparing and checking before winter ...................................... 176 Engine oil
Capacity ................................................ 489
Checking................................................. 371
Preparing and checking 
before winter...................................... 176
Engine oil maintenance data ........... 374
EPS (Electric Power Steering) .........164
Event data recorder ............................ 436
First-aid kit storage belt ..................... 327
Floor mats ................................................ 326
Fluid Brake ....................................................... 378
Washer................................................... 382
Fog lights Switch ........................................................ 125
Wattage ................................................. 494
Foot light .................................................. 304
Front passenger occupant 
classification system ............................. 77
Front passenger's seat belt 
reminder light ..................................... 440
Front seats Adjustment ...............................................33
Driving position memory ..................35
Front turn signal lights Wattage ................................................. 494
Fuel Capacity ................................................ 488
Fuel gauge ................................................ 112
Gas station information ................. 528
Information ........................................... 495
Refueling ................................................... 55
Messages .............................................. 456
Fuel filler door ........................................... 55
Fuses .......................................................... 403
F

522
Alphabetical index
Replacing light bulbs.......................... 421
Turn signal lever .................................... 110
Vanity lights ............................................313
Wattage.................................................. 494
Maintenance Do-it-yourself maintenance ......... 363
General maintenance .....................359
Maintenance data..............................486
Maintenance requirements .......... 357
Meter Instrument panel light control .........113
Meters .........................................................112
Micro dust and pollen removal 
mode ........................................................ 195
Mirrors Inside rear view mirror........................47
Side mirror heater ...............................199
Side mirrors ............................................. 48
Vanity mirrors........................................313
Moon roof ................................................... 52
MP3 disc ...................................................... 224
Multi-information display ....................... 119
Odometer................................................... 112
Oil Engine oil ................................................. 371
Opener Fuel filler door......................................... 55
Hood........................................................366
Trunk ........................................................... 29
Outside rear view mirrors Adjusting and folding ......................... 48
Driving position memory.................. 35
Outside temperature display............ 315
Overhead console .............................. 308 Overheating, Engine
............................. 480
Parking brake..............................................111
Parking lights Replacing light bulbs ......................... 421
Switch .........................................................122
Wattage ................................................. 494
PCS (Pre-Collision System) ..............165
Personal lights........................................305
Power meter.............................................. 112
Power outlet ............................................ 318
Power windows ........................................ 50
Radar cruise control..............................132
Radiator .....................................................377
Radio .............................................................. 203
RDS (Radio Data System) ................ 205
Rear sunshade ....................................... 324
Rear turn signal lights Replacing light bulbs ......................... 421
Wattage ................................................. 494
Rear view monitor system ................. 160
Rear window defogger ........................199
Replacing Electronic key battery ....................... 401
Fuses ........................................................ 403
Light bulbs .............................................. 421
Reporting safety defects for 
U.S. owners............................................516
Seat belts Adjusting the seat belt ..........................41
Automatic Locking Retractor 
(ALR) ....................................................... 42
Child restraint system 
installation ............................................. 85
M
O
P
R
S

524
Alphabetical index
Tail lightsSwitch ........................................................ 122
Theft deterrent system Alarm ............................................................ 61
Hybrid vehicle immobilizer 
system ..................................................... 59
Theft prevention labels .......................... 63
Tire inflation pressure .........................493
Tire information Glossary.................................................503
Size .......................................................... 500
Tire identification number ............. 499
Uniform tire quality grading .......... 501
Tires Chains ....................................................... 177
Checking ...............................................383
Compact spare tire .......................... 462
If you have a flat tire ............... 460, 461
Inflation pressure................................ 493
Information............................................498
Pressure warning system ..............383
Replacing .................................................461
Rotating tires ........................................383
Size ........................................................... 493
Snow tires ................................................ 179
Tools ............................................................ 461
Total load capacity ................................ 175
Touch screen ........................................... 184
Towing Dinghy towing .......................................182
Emergency towing ........................... 429
Trailer towing.......................................... 181
TRAC (Traction control) .................... 164
Transmission If the shift lever cannot be shifted from P ....................................472
Mode select switch.............................107 S mode .....................................................108
Transmission..........................................106
Trip meter ................................................... 113
Trunk Opener ...................................................... 29
Trunk light .................................................. 31
Wattage ................................................. 494
Turn signal lights Replacing light bulbs ......................... 421
Switch ..........................................................110
Wattage ................................................. 494
Vanity lights Vanity lights............................................ 313
Wattage ................................................. 494
Vanity mirrors ............................................. 313
VDIM (Vehicle Dynamics 
Integrated Management) ................165
Vehicle identification number......... 487
Vehicle load limits .................................. 175
Ventilators .................................................321
VGRS (Variable Gear Ratio 
Steering) .................................................164
VSC (Vehicle Stability Control) ......164
Warning buzzers Brake system ....................................... 438
Downshifting..........................................108
Open door .......................................... 440
Seat belt reminder ............................ 440
Warning lights Anti-lock brake system (ABS) ... 439
Brake system ....................................... 438
Charging system ............................... 438T
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