Page 7 of 1014
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GS450h_300h_OM_OM30D53E_(EE)8-1. Specifications
Maintenance data (fuel, oil
level, etc.)........................926
Fuel information................ 940
8-2. Customization
Customizable features ....... 942
8-3. Items to initialize
Items to initialize............... 954
What to do if... (Troubleshoot-
ing))...................................956
Alphabetical index ............ 962
8Vehicle specifications
Index
For vehicles with a navigation system, refer to the “Navigation
System Owner’s Manual” for information regarding the naviga-
ti t
Page 15 of 1014

15Pictorial index
GS450h_300h_OM_OM30D53E_(EE)Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 285
Precautions against winter season. . . . . . . . . . . . . . . . . . . . . . . P. 434
To prevent freezing (windshield wiper de-icer)
*1 . . . . . . . . . . P. 500
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . P. 722
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 293
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 293
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 929
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 753
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 936
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 434
Checking/rotation/tire pressure warning system
*1 . . . . . . . . . P. 753
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 870, 884
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 734
Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 734
Engine compartment cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 739
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 930
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 915
Warning messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 847
Headlights/front position lights/daytime running lights . . . . . . P. 272
Front fog lights
*1/rear fog light*2. . . . . . . . . . . . . . . . . . . . . . P. 283
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 264
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 272
Stop lights
Brake Hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 269
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 272
Back-up light
*2
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 256
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Light bulbs of the exterior lights for driving
(Replacing method: P. 800, Watts: P. 939)
*1: If equipped
*2: They may be located on the opposite side depending on the target region.
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Page 151 of 1014

1503-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30D53E_(EE)
Conditions affecting operation
The smart entry & start system uses weak radio waves. In the following situ-
ations, the communication between the electronic key and the vehicle may be
affected, preventing the smart entry & start system, wireless remote control
and immobilizer system from operating properly. (Ways of coping: P. 908)
When the electronic key battery is depleted
Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electrical
noise
When carrying a portable radio, cellular phone, cordless phone or other
wireless communication device
When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
When other wireless keys (that emit radio waves) are being used nearby
When carrying the electronic key together with the following devices that
emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
If window tint with a metallic content or metallic objects are attached to the
rear window
Page 238 of 1014
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4 4-1. Before driving
Driving
GS450h_300h_OM_OM30D53E_(EE)
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 any authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional check the following:
Brake function
Changes in quantity and quality of oil and fluid used for the engine, trans-
mission, differential, etc.
Lubricant condition for the propeller shaft, bearings and suspension joints
(where possible), and the function of all joints, bearings, etc.
Page 451 of 1014
4344-6. Driving tips
GS450h_300h_OM_OM30D53E_(EE)
Winter driving tips
Use fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine oil
• Engine/power control unit coolant
• Washer fluid
Have a service technician inspect the condition of the 12-volt
battery.
Have the vehicle fitted with four snow tires or purchase a set of
tire chains for the rear tires.
*
Ensure that all tires are the specified size and brand, and that chains
match the size of the tires.
*: Tire chains cannot be mounted on vehicles with front and rear tires of
differing sizes and vehicles with LDH and 19 inch tires
Carry out the necessary preparations and inspections before driv-
ing the vehicle in winter. Always drive the vehicle in a manner
appropriate to the prevailing weather conditions.
Preparation for winter
Page 586 of 1014
5665-3. Using the audio system
GS450h_300h_OM_OM30D53E_(EE)
NOTICE
Player precautions
Failure to follow the precautions below may result in damage to the discs or
the player itself.
Do not insert anything other than discs into the disc slot.
Do not apply oil to the player.
Store discs away from direct sunlight.
Never try to disassemble any part of the player.
Page 744 of 1014

7206-1. Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
Cleaning and protecting the vehicle exterior
Working from top to bottom, liberally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any
dirt and dust.
Wash the vehicle body using a sponge or soft cloth, such as a
chamois.
For hard-to-remove marks, use car wash soap and rinse thor-
oughly with water.
Wipe away any water.
Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle
body is cool.
Automatic car washes
Fold the mirrors before washing the vehicle. Start washing from the front of
the vehicle. Make sure to extend the mirrors before driving.
Brushes used in automatic car washes may scratch the vehicle surface and
harm your vehicle’s paint.
Rear spoiler (if equipped) may not be washable in some automatic car
washes. There may also be an increased risk of damage to vehicle.
High pressure car washes
Do not allow the nozzles of the car wash to come within close proximity of
the windows.
Before using the car wash, check that the fuel filler door on your vehicle is
closed properly.
Perform the following to protect the vehicle and maintain it in
prime condition:
Page 747 of 1014

7236-1. Maintenance and care
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
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 coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the
paint surface
• After driving in an area contaminated with soot, oily smoke, mine dust,
iron powder or chemical substances
• If the vehicle becomes heavily soiled with 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 to the surfaces of the lights.
Wax may cause damage to the lenses.
When using an automatic car wash (vehicles with rain-sensing windshield
wipers)
Turn off AUTO mode of the wiper to prevent the wiper from operating.
(P. 285)
If AUTO mode is selected, the wipers may operate and the wiper blades
may be damaged.