lights Lexus GS450h 2010 Using The Audio System / LEXUS 2010 GS450H (OM30C81U) Owner's Guide

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3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
3-5. Using the interior lights
Interior lights list
Illuminated entry system: The various lights automatically turn on/off
according to the presence of the electronic key, whether the doors are
locked/unlocked, whether the doors are open/closed, and the “POWER”
switch mode.
When the instrument panel light control switch is turned to minimum, the foot
lights, inside door handle lights and shift lever light will turn off. (P. 1 6 2 )
Outer foot light
Steering spot light
Front personal lights
(P. 397)
Shift lever light
Front interior lights (P. 396)
Inside door handle lightsRear personal lights 
(P. 3 9 7 )
Rear interior lights
Door courtesy lights
Foot light
Front scuff light

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3-5. Using the interior lights
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Interior lights
“ON”
“OFF”
“DOOR”
The interior lights are turned on/off
by the illuminated entry system.
■To prevent 12 volt battery discharge
If the interior lights, personal lights and steering spot light remain ON when the
door is not fully closed or the interior light switch in “DOOR” position, the lights will
go off automatically after 20 minutes.
■Customization that can be configured at Lexus dealer
Setting (e.g. The time elapsed before lights turn off) can be changed. 
(Customizable features
P. 6 1 9 )

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3-5. Using the interior lights
3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Personal lights
Front
ON/OFF
Rear
ON/OFF
■Customization that can be configured at Lexus dealer
Settings can be changed. (Customizable features P. 6 1 9 )

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3-7. Other interior features
3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 1:38 pm
Vanity mirrors
NOTICE
■To prevent 12 volt battery discharge
Do not leave the vanity lights on for extended periods while the hybrid system is off.
Slide the cover.
The light turns on when the
cover is opened.

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4-1. Maintenance and care
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
NOTICE
■To prevent paint deterioration and corrosion on the body and components 
(aluminum wheels etc.)
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If you see coal tar or tree sap on the paint surface
• If you see dead insects, insect droppings or bird droppings on the paint
• After driving in an area contaminated with soot, oily smoke, mine dust, iron
powder or chemical substances
• If the vehicle becomes heavily soiled in dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with
low humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic substances or scrub with a hard brush. 
This may damage the surfaces of the lights.
●Do not apply wax on the surfaces of the lights.
Wax may cause damage to the lenses.
■When using an automatic car wash (with rain-sensing windshield wipers)
Set the wiper switch to off.
If the wiper switch is in “AUTO”, the wipers
may operate and the wiper blades may be
damaged.OFF
AUTO

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4-2. Maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal
effort or catching)?
Transmission “Park” 
mechanism• Can the vehicle be hold securely on an
incline with the shift lever in “P”?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and
correct amount of free play?
Brakes
• Pulls to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers• Function properly?
Lights• Do all the lights come on?
• Headlights aimed correctly? (P. 511)
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on an
incline?
Seat belts
• Does the seat belt system operate
smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate properly?
Steering wheel
• Moves smoothly?
• Has correct free play?
• No strange noises?

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
FuseAmpereCircuit
8IG210
Multiport fuel injection system/
sequential multiport fuel injection
system, noise filter
9EFI No.210Fuel system, exhaust system
10H-LP R LWR15Headlight low beam (right)
11H-LP L LWR15Headlight low beam (left)
12D/C CUT30DOME, MPX-B
13IGCT No.37. 5Hybrid battery (traction battery)
14IGCT No.27. 5Hybrid system
15MPX-B7. 5
Power windows, door control system,
power seat, electronically controlled
brake system, combination switch, tilt
and telescopic steering, gauges and
meters
16DOME7. 5Interior lights, foot lights, vanity light,
gauges and meters
17ABS MAIN110Electronically controlled brake sys-
tem
18ABS MOTOR30ABS
19ABS MAIN210Electronically controlled brake sys-
tem
20F/ P M P25Fuel system
21EFI25
EFI2, multiport fuel injection system/
sequential multiport fuel injection
system
22INJ20
Multiport fuel injection system/
sequential multiport fuel injection
system

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
FuseAmpereCircuit
39RR J/B80STOP LP R, STOP LP L, RR TAIL,
PSB, RR FOG, RR-IG1
40OIL PMP60Tr 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

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
FuseAmpereCircuit
10ECU-IG LH10
VGRS, EPS, electronically con-
trolled brake system, yaw rate & G
sensor, dynamic radar cruise control
system, rear view monitor system,
moon roof
11PA N E L7. 5
Steering switches, distance control
switch, audio system, glove box light,
switch illumination, cigarette lighter,
shift lever light, touch screen, rear
personal lights
12S/ROOF25Moon roof
13FUEL OPN10Fuel lid opener
14LH-B10
Multiport fuel injection system/
sequential multiport fuel injection
system
15TRK OPN10Trunk opener
16TV7. 5Touch screen, rear view monitor sys-
tem
17A/C7. 5Air conditioning system
18FR P/SEAT LH30Po w e r s e a t

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
FuseAmpereCircuit
7AIR SUS20AV S
8PWR OUTLET15Po w e r o u t l e t
9CIG15Cigarette lighter
10ACC7. 5
Audio system, smart access system
with push-button start, touch screen,
rear view monitor system
11IGN10
Smart access system with push-but-
ton start, SRS airbag system, stop-
lights, hybrid system, steering lock
system, electronically controlled
brake system, front passenger occu-
pant classification system ECU
12GAUGE7. 5Gauges and meters
13STR LOCK25Steering lock system
14SECURITY7. 5Smart access system with push-but-
ton start
15TI & TE20Tilt and telescopic steering
16AM17. 5
17STOP SW7. 5Stoplights, shift lock system
18OBD7. 5On-board diagnosis system
19FR P/SEAT RH30Po w e r s e a t