Lexus GS300h 2017 Owner's Manual

GS450h_300h_OM_OM30F92E_(EE)
Pictorial indexSearch by illustration
1For safety
and securityMake sure to read through them
2Instrument cluster
How to read the gauges and meters, the variety of warning
lights and indicators, etc.
3Operation of
each componentOpening and closing the doors and windows, adjustment
before driving, etc.
4Driving
Operations and advice which are necessary for driving
5Interior featuresUsage of the interior features, etc.
6Maintenance
and careCaring for your vehicle and maintenance procedures
7When trouble
arisesWhat to do in case of malfunction or emergency
8Vehicle
specificationsVehicle specifications, customizable features, etc.
IndexSearch by symptom
Search alphabetically

TABLE OF CONTENTS2
GS450h_300h_OM_OM30F92E_(EE)For your information ...................................8
Reading this manual .................................. 12
How to search ............................................. 13
Pictorial index .............................................. 14
1-1. For safe use
Before driving ................................. 34
For safety drive............................... 36
Seat belts ..........................................38
SRS airbags ..................................... 43
Airbag manual on-off system ............................................. 54
Safety information for children....................................56
Child restraint systems ............... 57
Installing child restraints ............. 66
Exhaust gas precautions ............ 75
1-2. Hybrid system Hybrid system features............... 76
Hybrid system precautions ...... 80
1-3. Theft deterrent system Immobilizer system ..................... 85
Double locking system ...............90
Alarm .................................................. 91 2. Instrument cluster
Warning lights and indicators ..............................98
Gauges and meters ................... 104
Multi-information display............ 111
Head-up display ............................119
Energy monitor/ consumption screen ............... 126
3-1. Key information Keys .................................................. 134
3-2. Opening, closing and locking the doors and trunk
Doors ............................................... 139
Trunk ................................................ 146
Smart entry & start system ...... 153
3-3. Adjusting the seats Front seats...................................... 175
Driving position memory ......... 178
Head restraints............................. 183
3-4. Adjusting the steering wheel and mirrors
Steering wheel ............................. 186
Inside rear view mirror..............188
Outside rear view mirrors ....... 190
1For safety and security
2Instrument cluster
3Operation of
each component

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5
4
3
2
GS450h_300h_OM_OM30F92E_(EE) 3-5. Opening, closing the
windows and moon roof
Power windows............................ 193
Moon roof ...................................... 196
4-1. Before driving Driving the vehicle .................... 200
Cargo and luggage .................. 208
Trailer towing (vehicles without towing package) .....209
Trailer towing (vehicles with towing package)....................... 210
4-2. Driving procedures Power (ignition) switch ..............217
EV drive mode ............................ 222
Hybrid transmission .................. 224
Turn signal lever .......................... 231
Parking brake ..............................232
Brake Hold....................................235
4-3. Operating the lights and wipers
Headlight switch ......................... 237
AHS (Adaptive High-beam System)......................................... 241
Automatic High Beam ............. 246
Fog light switch .......................... 250
Windshield wipers and washer.................................. 251 4-4. Refueling
Opening the fuel tank cap...... 257
4-5. Using the driving support systems
Lexus Safety System+ ............... 261
PCS (Pre-Crash Safety system)......................................... 270
LKA (Lane-Keeping Assist)...........................................282
RSA (Road Sign Assist)............ 291
Dynamic radar cruise control with full-speed
range ............................................ 296
Cruise control ............................ 308
Driving mode select switch.......311
BSM (Blind Spot Monitor) ...... 314

TABLE OF CONTENTS4
GS450h_300h_OM_OM30F92E_(EE)5-1. Remote Touch screen
Remote Touch/12.3-inch display ......................................... 340
5-2. Using the air conditioning system and defogger
Front automatic air conditioning system .........346
Rear air conditioning system ......................................... 358
Heated steering wheel/ seat heaters/
seat ventilators .......................... 361
5-3. Using the interior lights Interior lights list..........................366

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7
6
5
4
3
2
GS450h_300h_OM_OM30F92E_(EE) 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ................................399
Hood ................................................ 401
Positioning a floor jack.............402
Engine compartment............... 403
12-volt battery............................... 412
Tires .................................................. 416
Tire inflation pressure...............429
Wheels............................................. 431
Air conditioning filter................433
Electronic key battery ..............435
Checking and replacing fuses .............................................. 437
Light bulbs ..................................... 442
7-1. Essential information Emergency flashers...................452
If your vehicle has to be stopped in an
emergency.................................453 7-2. Steps to take in an
emergency
If your vehicle needs to be towed ................................454
If you think something is wrong .......................................459
If a warning light turns on or a warning buzzer
sounds..........................................460
If a warning message is displayed................................. 466
If you have a flat tire (vehicles with spare tire) ..... 498
If you have a flat tire (vehicles without spare
tire) ............................................... 509
If the hybrid system will not start................................523
If the parking brake cannot be released.................525
If the electronic key does not operate properly ............. 527
If the 12-volt battery is discharged ................................ 530
If your vehicle overheats .........535
If the vehicle becomes stuck.............................................. 542
7When trouble arises

TABLE OF CONTENTS6
GS450h_300h_OM_OM30F92E_(EE)8-1. Specifications
Maintenance data (fuel, oil level, etc.)...................546
Fuel information ......................... 559
8-2. Customization Customizable features ............. 561
8-3. Initialization Item to initialize ........................... 576
What to do if... (Troubleshooting) ...............................578
Alphabetical index................................ 582
8Vehicle specifications
Index
For information regarding the equipment listed below, refer to the “NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

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7
6
5
4
3
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GS450h_300h_OM_OM30F92E_(EE)

8
GS450h_300h_OM_OM30F92E_(EE)
For your information
Please note that this manual applies to all models and explains all equipment, including
options. Therefore, you may find some explanations 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 product 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.
Both genuine Lexus and a wide variety of other spare parts and accessories for Lexus
vehicles are currently available on the market. Should it be determined that any of the
genuine Lexus parts or accessories supplied with the vehicle need to be replaced, Lexus
recommends that genuine Lexus parts or accessories, be used to replace them. Other
parts or accessories of matching quality can also be used. Lexus cannot accept any liabil-
ity or guarantee spare parts and accessories which are not genuine Lexus products, nor
for replacement or installation involving such parts. In addition, damage or performance
problems resulting from the use of non-ge nuine Lexus spare parts or accessories may
not be covered under warranty.
Main Owner’s Manual
Accessories, spare parts and mo dification of your Lexus

9
GS450h_300h_OM_OM30F92E_(EE) The installation of an RF-transmitter system
in your vehicle could affect electronic sys-
tems such as:
●Multiport fuel injection system/seque ntial multiport fuel injection system
●Dynamic radar cruise control with full-speed range system
●Cruise control system
●Anti-lock brake system
●Vehicle dynamics integrated management
●SRS airbag system
●Seat belt pretensioner system
Be sure to check with any authorized Lexus re tailer or Lexus authorized repairer, or any
reliable repairer for precautionary measures or special instructions regarding installation
of an RF-transmitter system.
Further information regarding frequency ba nds, power levels, antenna positions and
installation provisions for the installation of RF-transmitters, is available on request at any
authorized Lexus retailer or Lexus author ized repairer, or any reliable repairer.
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 reception of the radio frequency transmitter (RF-trans-
mitter).
The SRS airbag and seat belt pretensioner devices in your Lexus contain explosive
chemicals. If the vehicle is scrapped with th e airbags and seat belt pretensioners left as
they are, this may cause an accident such as fire. Be sure to have the systems of the SRS
airbag and seat belt pretensioner removed and disposed of by a qualified service shop or
by any authorized Lexus retailer or Lexus au thorized repairer, or any reliable repairer
before you scrap your vehicle.
Installation of an RF-transmitter system
Scrapping of your Lexus
Your vehicle contains batteries and/or accumulators. Do not discard them into the
environment but cooperate with separate collection
(Directive 2006/66/EC).

10
GS450h_300h_OM_OM30F92E_(EE)For Russia and Kazakhstan:
TECHNICAL REGULATION OF THE CUSTOMS UNION “ON THE SAFETY OF
WHEELED VEHICLES” TR CU 018/2011 Attachment No.3, Section 2 (Requirements
for vehicles concerning their interior noise), Table 2.1, Remarks 3
This vehicle may not be used for public purposes (as taxis, for example).
Noise levels inside the vehicle (GS450h only)
WARNING
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the inf
luence of
alcohol or drugs that have impaired your ability to operate your vehicle. Alcohol and
certain drugs delay reaction time, impair judgment and reduce coordination, which
could lead to an accident that could result in death or serious injury.
Defensive driving: Always drive defensively. Anticipate mistakes that other drivers or
pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full atte ntion to driving. Anything that distracts the
driver, such as adjusting controls, talking on a cellular phone or reading can result in a
collision with resulting death or serious injury to you, your occupants or others.
■General precaution regarding children’s safety
Never leave children unattended in the vehicl e, and never allow children to have or use
the key.
Children may be able to start the vehicle or sh ift the vehicle into neutral. There is also a
danger that children may injure themselves by playing with the windows, the moon
roof, or other features of the vehicle. In addition, heat build-up or extremely cold tem-
peratures inside the vehicle can be fatal to children.