628
GS450h_U (OM30D01U)
6-2. Maintenance
Head restraints•Do the head restraints movesmoothly and lock securely?
Indicators/buzzers• Do the indicators and buzzers func-tion properly?
Lights
• Do all the lights come on?
• Are the headlights aimed correctly? ( P. 6 8 5 )
Parking brake
• Moves smoothly?
• When parked on a slope and the
parking brake is on, is the vehicle
securely stopped?
Seat belts
• Do the seat belts operate smoothly?
• The seat belts should not be dam-aged.
Seats• Do the seat controls operate prop-erly?
Steering wheel
• Does the steering wheel rotatesmoothly?
• Does the steering wheel have the correct amount of free play?
• There should not be any strange sounds coming from the steering
wheel.
ItemsCheck points
676
GS450h_U (OM30D01U)
6-3. Do-it-yourself maintenance
34DOME7. 5
Personal lights, ornament lights, trunk light,
footwell lights, door courtesy lights, vanity
lights, rear door inside handle illuminations,
power trunk opener and closer
35MPX-B10
Body ECU, smart access system with push-
button start, electric tilt and telescopic steer-
ing column, power seats, head-up display,
front door ECU, gauges and meters, steer-
ing sensor, yaw rate and G sensor, overhead
module, RR CTRL SW, power trunk opener
and closer, clock, CAN gateway ECU
36IGCT NO.410Po w e r c o n t r o l u n i t
37IGCT NO.37. 5Hybrid battery (traction battery), DC/DC
converter
38IGCT NO.25Hybrid system
39IG2 NO.15DCM, CAN gateway ECU
40GAUGE5Gauges and meters
41DC/DC150RH-J/B DC/DC, P/I DC/DC
42P/ I D C / D C100RR S/SHADE, DEFOG, FOG, TAIL,
PA N E L
43RH J/B DC/DC80Right-hand junction block
44LH J/B DC/DC50Left-hand junction block
45H-LP CLN30Headlight cleaner
46FAN NO.240Electric cooling fans
47LUG J/B DC/DC80Luggage compartment junction block
48FAN NO.180Electric cooling fans
49PTC NO.150PTC heater
50PTC NO.250PTC heater
51HTR50Air conditioning system
FuseAmpereCircuit
678
GS450h_U (OM30D01U)
6-3. Do-it-yourself maintenance
■Driver’s side instrument panel
FuseAmpereCircuit
1STOP7. 5Stop lights, high mounted stoplight
2P/ W- B5Po w e r w i n d o w m a s t e r s w i t c h
3P/ S E AT 1 F/ L30Po w e r s e a t s
4D/L NO.125Power door lock system
5NV-IR10Lexus night view
6FL S/HTR10Seat heaters/ventilators
7WIPER30Windshield wipers
8WIPER-IG5Windshield wipers
9LH-IG10
Seat belts, body ECU, AFS, overhead mod-
ule, raindrop sensor, inside rear view mirror,
lane camera sensor (LKA), head-up display,
shift lock system, intuitive parking assist, front
left-hand door ECU, driver monitor system,
Remote Touch screen, electric tilt and tele-
scopic steering column, power seats, moon
roof, windshield wiper de-icer, intuitive park-
ing assist switch, PTC heater, headlight
cleaner
10LH ECU-IG10
VDIM, ECB, D-SW MODULE (Blind Spot
Monitor, heated steering wheel), driver sup-
port system, AFS, EPB, air conditioning sys-
tem
680
GS450h_U (OM30D01U)
6-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1P/ S E AT 1 F/ R30Po w e r s e a t s
2FR P/OUTLET15Po w e r o u t l e t ( f r o n t )
3RR P/OUTLET15Power outlet (rear)
4P/ S E AT 2 F/ R25Po w e r s e a t s
5AV S20AV S
6STRG HTR15Heated steering wheel
7WA S H20Windshield washer
8RH ECU-IG10
Navigation system, pre-collision seat belts,
air conditioning system, ECB, Lexus night
view, yaw rate and G sensor
9RH-IG10
Tension reducer, seat heater/ventilator
switches, front right-hand door ECU, CAN
gateway ECU, tire pressure warning system,
power seats
10DOOR FR30
Front right-hand door control system (out-
side rear view mirror defoggers, power win-
dow)
11DOOR RR30Power window (rear right-hand)
12RAD NO.230Audio system
13AM27. 5Power management system
802
GS450h_U (OM30D01U)
8-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of hybrid transmission,
power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
812
GS450h_U (OM30D01U)
8-2. Customization
Wi re less
remote
control
( P. 1 3 4 )
Wireless remote controlOnOff——O
“Remote 2-Press Unlock”
(Allows all doors to be
unlocked by pressing
on the electronic
key twice)
On
(Driver’s door
unlocked in
one step, all doors
unlocked in two steps)
Off
(All doors
unlocked in one step)
O—O
Trunk unlocking operationPress and
hold (short)
One short press
——OPush twice
Press and
hold (long)
Off
Alarm (panic mode)OnOff——O
Front seats
( P. 1 4 8 )
“Driver’s Seat Easy Exit”
(Driver’s seat movement
when exiting the vehicle)
Standard
Off
O—O
Pa r t i a l
Selecting the door linking
driving position memory
with door unlock operationDriver’s
doorAll doors——O
Po w e r
windows
( P. 1 6 4 )
and moon
roof
( P. 1 6 7 )
Mechanical key linked
operationOffOn——O
Wireless remote control
linked operationOff
On
(Open only)
——O
Buzzer sounds if operated
using wireless remote con-
trol
OnOff——O
ItemFunctionDefaultsettingCustom-
ized setting123
842Alphabetical index
GS450h_U (OM30D01U)
Brake assist ............................................. 289
Brake Hold ............................................... 210
Break-in tips.............................................. 173
Brightness controlInstrument panel light control ...........91
BSM (Blind Spot Monitor)................305
Care ................................................. 616, 620
Aluminum wheels ................................617
Exterior..................................................... 616
Interior .................................................... 620
Seat belts ................................................. 621
Cargo capacity....................................... 186
Cargo hooks ........................................... 581
Caution label ..............................................74
CD player ................................................ 433
Chains .........................................................321
Child restraint system............................ 55 Booster seats, definition ....................55
Booster seats, installation..................65
Convertible seats, definition ............55
Convertible seats, installation ......... 62
Front passenger occupant classification system ......................... 49
Infant seats, definition ..........................55
Infant seats, installation ....................... 62
Installing CRS with LATCH anchors .....................60
Installing CRS with seat belts .......... 62
Installing CRS with top tether strap .........................66 Child safety .................................................54
12-volt battery precautions ........................... 649, 773
Airbag precautions................................ 41
Child restraint system......................... 55
How your child should wear the seat belt ................................. 33, 35
Installing child restraints .................... 59
Moon roof precautions ....................170
Power window lock switch.............164
Power window precautions ...........166
Rear door child-protectors ........... 138
Removed electronic key battery precautions ..............669
Seat belt comfort guide ..................... 33
Seat belt extender precautions ......37
Seat belt precautions .......................... 58
Seat heater precautions ................. 592
Trunk precautions ............................... 144
Child-protectors ....................................138
Cleaning ........................................ 616, 620 Aluminum wheels ................................ 617
Exterior .....................................................616
Interior ..................................................... 620
Seat belts.................................................. 621
Clock......................................................... 584
Coat hooks ..............................................597
Condenser ...............................................644
C
846Alphabetical index
GS450h_U (OM30D01U)
Front seats ................................................ 148Adjustment ............................................. 148
Cleaning ................................................ 620
Correct driving posture ....................30
Driving position memory ................ 150
Head restraints ..................................... 155
Power easy access system ............ 153
Seat heaters ......................................... 590
Seat position memory....................... 150
Seat ventilators ..................................... 591
Front side marker lights .......................213 Light switch .............................................213
Replacing light bulbs ........................697
Welcome light illumination control ..................................................... 121
Front turn signal lights ........................ 205 Replacing light bulbs ......................... 691
Turn signal lever ................................ 205
Wattage ....................................................791
Fuel ............................................................. 784 Capacity .................................................784
Fuel gauge ................................................89
Information ............................................ 792
Refueling................................................. 227
Type .............................................. 227, 784
Warning light .........................................714
Warning messages........................... 737
Fuel consumption Average fuel consumption...............96
Average fuel consumption after refueling.......................................95
Current fuel consumption ................95 Fuel filler door......................................... 227
If the fuel filler door cannot be opened ......................... 230
Refueling .................................................227
Fuses...........................................................670
Garage door opener.......................... 600
Gauges........................................................ 89
Glove box ................................................576
Glove box light.......................................576
Hands-free system (for cellular phone)........................... 506
HD Radio
® system ................................ 414
Head restraints........................................ 155
Headlight cleaner .................................226
Headlights ................................................. 213 Adaptive Front-lighting System (AFS) ..................................... 215
Discharge headlights precautions .......................................699
Headlight leveling warning message............................724
Light switch............................................. 213
Replacing light bulbs ....................... 697
Wattage ................................................... 791
Headlights aim ...................................... 685
Head-up display ..................................... 102
G
H