2016 Lexus GS450h fuel

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GS450h_OM_OM30E99U_(U)
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4-1. Before drivingDriving the vehicle ......................166
Cargo and luggage......................174
Vehicle load limits ........................ 177
Trailer towing ................................. 178
Dinghy towing ............................... 179
4-2. Driving procedures Power (ignition) switch ............. 180
EV drive mode ............................. 185
Hybrid transmission .................... 187
Turn signal lever ............................192
Parking brake ................................193
Brake Hold .....................................195
4-3. Operating the lights and wipers
Headlight switch .......................... 197
Automatic High Beam.............200
Windshield wipers and washer ................................ 204 4-4. Refueling
Opening the fuel tank cap ...... 210
4-5. Using the driving support systems
Lexus Safety System+ ................ 214
PCS (Pre-Collision System) ......... 220
LKA (Lane-Keeping Assist) .......................................... 232
Dynamic radar cruise control with full-speed range............... 241
Cruise control ............................. 253
Driving mode select switch ... 256
BSM (Blind Spot Monitor) ............. 258
• The Blind Spot Monitor function ...................................... 261
• The Rear Cross Traffic Alert function ........................ 263
Driving assist systems .............. 266
4-6. Driving tips Hybrid vehicle driving tips ...... 272
Winter driving tips ...................... 274
4Driving

TABLE OF CONTENTS6
GS450h_OM_OM30E99U_(U)
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) .................. 466
Fuel information...........................478
Tire information............................ 481
8-2. Customization Customizable features ..............491
8-3. Initialization Items to initialize ......................... 504
Reporting safety defects for U.S. owners..................................... 506
Seat belt instructions for Canadian owners
(in French) .............................................. 507
SRS airbag instructions for Canadian owners
(in French) ..............................................509
Headlight aim instructions for Canadian owners
(in French) (vehicles with
single-beam headlights)..................... 517 What to do if...
(Troubleshooting) ............................... 520
Alphabetical index .................................524
8Vehicle specifications
9For owners
Index
For information regarding the equipment listed below, refer to the “NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
• Audio system
• Intuitive parking assist• Navigation system
• Lexus parking assist monitor

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GS450h_OM_OM30E99U_(U)
For your information
Please note that this manual applies to all models and explains all equipment, including
options. Therefore, you may find some expl anations for equipment not installed on your
vehicle.
All specifications provided in this manual are current at the time of printing. However,
because of the Lexus policy of continual pr oduct improvement, we reserve the right to
make changes at any time without notice.
Depending on specifications, the vehicle show n in the illustrations may differ from your
vehicle in terms of color and equipment.
Approximately five hours after the hybrid system is turned off, you may hear sound com-
ing from under the vehicle for several minutes. This is the sound of a fuel evaporation
leakage check and, it does not indicate a malfunction.
A wide variety of non-genuine spare parts and accessories for Lexus vehicles are cur-
rently available in the market. You should know that Toyota does not warrant these prod-
ucts and is not responsible for their performance, repair, or replacement, or for any
damage they may cause to, or adverse effect they may have on, your Lexus vehicle.
This vehicle should not be modified with non-genuine Lexus products. Modification with
non-genuine Lexus products could affect its performance, safety or durability, and may
even violate governmental regulations. In addition, damage or performance problems
resulting from the modification may not be covered under warranty.
The installation of a mobile two-way radio sy stem in your vehicle could affect electronic
systems such as:
●Multiport fuel injection system/sequential multiport fuel injection system
●Dynamic radar cruise control with full-speed range system
●Dynamic radar cruise control system
●Cruise control system
●Anti-lock brake system
●Vehicle dynamics in tegrated management
●SRS airbag system
●Seat belt pretensioner system
Be sure to check with your Lexus dealer fo r precautionary measures or special instruc-
tions regarding insta llation of a mobile two-way radio system.
High voltage parts and cables on the hybrid vehicles emit approximately the same
amount of electromagnetic waves as the conventional gasoline powered vehicles or
home electronic appliances despite of their electromagnetic shielding.
Unwanted noise may occur in the rece ption of the mobile two-way radio.
Main Owner’s Manual
Noise from under vehicle after turning off the hybrid system
Accessories, spare parts and modification of your Lexus
Installation of a mobile two-way radio system

15Pictorial index
GS450h_OM_OM30E99U_(U)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 204
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 274
To prevent freezing (windshield wiper de-icer)
* . . . . . . . . . . . . . . . . . . . . . . . . P. 291
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 334
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 210
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 210
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 468
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 361
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 473
Winter tires/tire chain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 274
Checking/rotation/tire pressure warning system . . . . . . . . . . . . . . . . . . . . . . . . P. 361
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 437
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 347
Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 347
Engine compartment cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 350
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 469
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 457
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 408
Headlights/parking lights/dayti me running lights/front side
marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 197
Front turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 192
Side turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 192
Tail lights/rear side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 197
Rear turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 192
Stop lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 166
Back-up light
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 18 7
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 197
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Light bulbs of the exterior lights for driving
(Replacing method: P. 386, Watts: P. 477)
*: If equipped
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661-2. Hybrid system
GS450h_OM_OM30E99U_(U)
Hybrid system features
The illustration is an example for explanation and may differ from the actual item.
Gasoline engine
Electric motor (traction motor)
◆When stopped/during start off
The gasoline engine stops when
* the vehicle is stopped. During start off, the
electric motor (traction mo tor) drives the vehicle. At slow speeds or when
traveling down a gentle slope, the engine is stopped and
* the electric motor
(traction motor) is used.
When shift lever is in N, the hybrid battery (traction battery) is not being
charged.
*: When the hybrid battery (traction battery) requires charging or the engine is warming up, etc., the gasoline engine will not automatically stop. ( P. 6 8 )
Your vehicle is a hybrid vehicle. It ha s characteristics different from conven-
tional vehicles. Be sure you are closely familiar with the characteristics of your
vehicle, and operate if with care.
The hybrid system combines the use of a gasoline engine and an electric
motor (traction motor) according to dr iving conditions, improving fuel effi-
ciency and reducing exhaust emissions.
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711-2. Hybrid system
GS450h_OM_OM30E99U_(U)
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For safety and security
When a certain level of impact is detected by the impact sensor, the emergency
shut off system blocks the high voltage current and stops the fuel pump to mini-
mize the risk of electrocution and fuel leakage. If the emergency shut off system
activates, your vehicle will not restart. To restart the hybrid system, contact your
Lexus dealer.
A message is automatically displayed when a malfunction occurs in the hybrid
system or an improper operation is attempted.
If a warning message is shown on the
multi-information display, read the
message and follow the instructions.
( P. 4 0 6 )
■If a warning light comes on, a warning message is displayed, or the 12-volt battery is dis-
connected
The hybrid system may not start. In this case, try to start the system again. If the “READY”
indicator does not come on, contact your Lexus dealer.
■Running out of fuel
When the vehicle has run out of fuel and the hybrid system cannot be started, refuel the
vehicle with at least enough gasoline to make the low fuel level warning light (P. 4 0 2 ,
406) go off. If there is only a small amount of fuel, the hybrid system may not be able to
start. (The standard amount of fuel is about 2.6 gal. [10.0 L, 2.2 Imp.gal.] [except F
SPORT models] or 2.6 gal. [9.9 L, 2.2 Imp.gal.] [F SPORT models], when the vehicle is
on a level surface. This value may vary when the vehicle is on a slope. Add extra fuel
when the vehicle is inclined.)
■Electromagnetic waves
●High voltage parts and cables on hybrid ve hicles incorporate electromagnetic shield-
ing, and therefore emit approximately the same amount of electromagnetic waves as
conventional gasoline powered vehicl es or home electronic appliances.
●Your vehicle may cause sound interference in some third party-produced radio parts.
■Hybrid battery (traction battery)
The hybrid battery (traction battery) has a limited service life. The lifespan of the hybrid
battery (traction battery) can change in accordance with driving style and driving condi-
tions.
Emergency shut off system
Hybrid warning message

721-2. Hybrid system
GS450h_OM_OM30E99U_(U)
WA R N I N G
■High voltage precautions
This vehicle has high voltage DC and AC systems as well as a 12-volt system. DC and
AC high voltage is very dangerous and can cause severe burns and electric shock that
may result in death or serious injury.
●Never touch, disassemble, remove or replace the high voltage parts, cables or their
connectors.
●The hybrid system will become hot after starting as the system uses high voltage. Be
careful of both the high voltage and the hi gh temperature, and always obey the warn-
ing labels attached to the vehicle.
■Road accident cautions
Observe the following precautions to reduce the risk of death or serious injury:
●Pull your vehicle off the road, apply the parking brake, shift the shift lever to P, and
turn the hybrid system off.
●Do not touch the high voltage parts, cables and connectors.
●If electric wires are exposed inside or outside your vehicle, an electric shock may
occur. Never touch exposed electric wires.
●If a fluid leak occurs, do not touch the fluid as it may be strong alkaline electrolyte
from the hybrid battery (traction battery). If it comes into contact with your skin or
eyes, wash it off immediately with a large amount of water or, if possible, boric acid
solution. Seek immediate medical attention.
●If a fire occurs in the hybrid vehicle, leave the vehicle as soon as possible. Never use a
fire extinguisher that is not meant for el ectric fires. Using even a small amount of
water may be dangerous.
●If your vehicle needs to be towed, do so with rear wheels raised. If the wheels con-
nected to the electric motor (traction motor) are on the ground when towing, the
motor may continue to generate electricity. This may cause a fire. ( P. 3 9 4 )
●Carefully inspect the ground under the vehicle. If you find that liquid has leaked onto
the ground, the fuel system may have been damaged. Leave the vehicle as soon as
possible.
●Never try to open the service plug access
hole located behind the rear seats. The ser-
vice plug is used only when the vehicle is ser-
viced and is subject to high voltage.

GS450h_OM_OM30E99U_(U)
812. Instrument cluster
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Instrument cluster
Warning lights inform the driver of malfunctions in the indicated vehicle systems.
Warning lights
*1
(U.S.A.)
Brake system warning light
( P. 400)*1
Slip indicator ( P. 4 0 1 )
*1
(Canada)
Brake system warning light
( P. 400)*2, 3
(If equipped)
“AFS OFF” indicator
( P. 4 0 1 )
*2, 4Charging system warning
light ( P. 400)*1, 3Brake hold operated
indicator ( P. 4 0 1 )
*2
(U.S.A.)
Malfunction indicator lamp
( P. 400)*3
(U.S.A.)
Parking brake indicator
( P. 4 0 2 )
*2
(Canada)
Malfunction indicator lamp
( P. 400)*3
(Canada)
Parking brake indicator
( P. 4 0 2 )
*2SRS warning light
( P. 400)*1Brake system warning light
( P. 4 0 2 )
*1
(U.S.A.)
ABS warning light
( P. 400)Low fuel level warning light
( P. 4 0 2 )
*1
(Canada)
ABS warning light
( P. 400)Seat belt reminder light
( P. 4 0 2 )
*2Electric power steering
system warning light
( P. 4 0 1 )*2Master warning light
( P. 4 0 2 )
*2, 3
(If equipped)
PCS (Pre-Collision
System) warning light
( P. 4 0 1 )*2Tire pressure warning light
( P. 4 0 2 )