Page 183 of 862
182
GS450h_U (OM30D01U)
4-1. Before driving
NOTICE
■When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may cause
the following serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to
have your Lexus dealer check the following:
●Brake function
●Changes in quantity and quality of oil and fluid used for the engine, transmission,
differential, etc.
●Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.
GS450h_U.book Page 182 Monday, January 23, 2012 10:20 AM
Page 789 of 862
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GS450h_U (OM30D01U)
8-1. Specifications
*: The fluid capacity is the quantity of reference.If replacement is necessary, contact your Lexus dealer.
Electrical system
12-volt battery
Open voltage at 68 °F
(20 °C):12.6 12.8 V Fully charged
12.2
12.4 V Half charged
11.8 12.0 V Discharged
(Voltage is checked 20 minutes after the hybrid sys-
tem and all lights are turned off.)
Charging rates
Quick charge
Slow charge15 A max.
5 A max.
Hybrid transmission
Fluid capacity*6.01 qt. (5.69 L, 5.01 Imp.qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
■Hybrid 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.
sec_08-01.fm Page 788 Monday, January 30, 2012 10:38 AM
Page 846 of 862

845Alphabetical index
GS450h_U (OM30D01U)
Energy monitor ........................................ 110
EngineAccessory mode................................. 190
Compartment ...................................... 637
Engine switch ........................................ 189
Hood ........................................................634
How to start the hybrid system .... 189
Identification number .......................783
Ignition switch (power switch).................................. 189
Overheating ......................................... 774
Power switch......................................... 189
Engine compartment cover .............638
Engine coolant....................................... 642 Capacity .................................................787
Checking................................................ 642
Preparing and checking before winter ..................................... 319
Engine coolant temperature gauge ........................................................ 89
Engine oil ................................................. 639 Capacity ................................................ 785
Checking............................................... 639
Oil level warning message ........... 733
Oil pressure warning message ........................... 722
Preparing and checking before winter ..................................... 319 Engine oil maintenance data ............624
Engine switch...........................................189
EPS
(Electronic Power Steering) ........ 289
Function .................................................. 289
Warning light ......................................... 712
Warning message............................. 726
EV drive mode ........................................ 196
Event data recorder (EDR).....................11
First-aid kit storage net ........................581
Flat tire .......................................................749
Floor mats................................................... 28
Fluid Brake........................................................789
Hybrid transmission .........................788
Washer ................................................... 646
Fog lights.................................................... 218 Replacing light bulbs ...................... 689
Switch ........................................................218
Wattage ................................................... 791
Footwell light............................................ 571
Front passenger occupant classification system ............................49
Front personal lights ............................572
F
GS450h_U.book Page 845 Monday, January 23, 2012 10:20 AM