Page 785 of 862
784
GS450h_U (OM30D01U)
8-1. Specifications
Engine
Model3.5 L 6-cylinder (2GR-FXE)
Ty p e6-cylinder V type, 4-cycle, gasoline
Bore and stroke3.70 × 3.27 in. (94.0 × 83.0 mm)
Displacement210.9 cu.in. (3456 cm3)
Valve clearance
(engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel typePremium unleaded gasoline only
Octane Rating91 (Research Octane Number 96) or higher
Fuel tank capacity
(Reference)17.5 gal. (66.3 L, 14.6 Imp.gal.)
Electric motor (traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output147 kW
Maximum torque275 N•m (28.0 kgf•m, 202.8 ft•lbf)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vo l t a g e7. 2 V/m o d u l e
Capacity6.5 Ah (3HR)
Quantity40 modules
Overall voltage288 V
GS450h_U.book Page 784 Monday, January 23, 2012 10:20 AM
Page 805 of 862

804
GS450h_U (OM30D01U)
8-1. Specifications
CT
A pneumatic tire with an inverted flange tire and rim
system in which the rim is designed with rim flanges
pointed radially inward and the tire is designed to fit
on the underside of the rim in a manner that encloses
the rim flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and at
higher inflation pressures than the corresponding
standard tire
GrooveThe space between two adjacent tread ribs
InnerlinerThe layer(s) forming the inside surface of a tubeless
tire that contains the inflating medium within the tire
Innerliner separationThe parting of the innerliner from cord material in the
carcass
Intended outboard side-
wall
(a) The sidewall that contains a whitewall, bearswhite lettering, or bears manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other side-
wall of the tire, or
(b) The outward facing sidewall of an asymmetrical tire that has a particular side that must always
face outward when mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as primarily
intended for use on lightweight trucks or multipur-
pose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry for a
given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum permissible
inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which a tire
may be inflated
Measuring rimThe rim on which a tire is fitted for physical dimension
requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Tire related termMeaning
GS450h_U.book Page 804 Monday, January 23, 2012 10:20 AM
Page 813 of 862

812
GS450h_U (OM30D01U)
8-2. Customization
Wireless
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 we 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
sec_08-02.fm Page 812 Monday, January 30, 2012 10:40 AM
Page 835 of 862
834What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. (→P. 119)
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
(→ P. 1 2 0 )
●Is the electronic key battery weak or depleted? ( →P. 6 6 8 )
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( →P. 1 9 0 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the elec-
tronic key on your person.
●The function may not operate properly due to the condition of
the radio wave. ( →P. 1 2 8 )
If you have a problem, check the following before contacting your
Lexus dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
GS450h_U.book Page 834 Monday, January 23, 2012 10:20 AM
Page 837 of 862
836What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Did you press the power switch while firmly depressing the
brake pedal? (→P. 1 8 9 )
●Is the shift lever in P? ( →P. 1 9 2 )
●Is the electronic key anywhere detectable inside the vehicle?
(→ P. 1 2 4 )
●Is the steering wheel unlocked? ( →P. 193)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( →P. 76 8 )
●Is the 12-volt battery discharged? ( →P. 7 7 0 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the power switch in ON mode ( →P. 76 4 )
●It is locked automatically to prevent theft of the vehicle.
(→ P. 1 9 2 )
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped
GS450h_U.book Page 836 Monday, January 23, 2012 10:20 AM
Page 838 of 862
837What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (→P. 1 6 4 )
●The auto power off function will be operated if the vehicle is left
in ACCESSORY or ON mode (the hybrid system is not oper-
ating) for a period of time. ( →P. 1 9 2 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(→ P. 7 1 4 )
●The parking brake indicator is on
Is the parking brake released? (→ P. 207)
Depending on the situation, othe r types of warning buzzer may
also sound. ( →P. 711, 721)
The windows do not open or close by operating the power win-
dow switches
The power switch is tu
rned off automatically
A warning buzzer sounds during driving
GS450h_U.book Page 837 Monday, January 23, 2012 10:20 AM
Page 839 of 862
838What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. (→P. 8 1 )
To stop the alarm, turn the power switch to ON mode or start the
hybrid system.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display.
(→ P. 7 2 8 )
●When a warning light turns on or a warning message is dis-
played, refer to P. 711, 721.
An alarm is activated
and the horn sounds
A warning buzzer sounds wh en leaving the vehicle
A warning light turns on or a warning message is displayed
GS450h_U.book Page 838 Monday, January 23, 2012 10:20 AM
Page 841 of 862

840Alphabetical index
GS450h_U (OM30D01U)
Alphabetical index
A/C ............................................................ 364Air conditioning filter ....................... 666
Front automatic air conditioning system ..................................................364
Rear air conditioning system........379
S-FLOW mode .................................. 374
ABS (Anti-lock Brake System)....... 289
Function ................................................. 289
Warning light ......................................... 712
Warning message ............................. 725
Adaptive Front-lighting System
(AFS) ........................................................215
Adaptive Variable Suspension
system (AVS) ...................................... 290
AFS (Adaptive Front-lighting
System) ....................................................215
Air conditioning filter .......................... 666
Air conditioning system ..................... 364 Air conditioning filter ....................... 666
Front automatic air conditioning system ..................................................364
Rear air conditioning system........379
S-FLOW mode .................................. 374 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your child ......................................... 41
Airbag warning light .......................... 712
Correct driving posture .................... 30
Curtain shield airbag operating conditions ....................... 46
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system......................... 49
General airbag precautions ............. 41
Locations of airbags............................ 38
Modification and disposal of airbags............................................... 45
Side airbag operating conditions ............................................. 46
Side airbag precautions ...................... 41
Side and curtain shield airbags operating conditions ....................... 46
Side and curtain shield airbags
precautions ............................................ 41
SRS airbags ............................................. 38
A
GS450h_U.book Page 840 Monday, January 23, 2012 10:20 AM