2015 Lexus GS300h transmission

4767-2. Steps to take in an emergency
GS450h_300h_OM_OM30F00E_(EE)
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by any authorized Lexus dealer or repairer, or
another duly qualified an d equipped professional.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Brake system warning light (warning buzzer)
•Low brake fluid
• Malfunction in the electron ically controlled brake system
→ Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional. Continuing to drive the vehicle may
be dangerous.
(If equipped)
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
→ Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Malfunction indicator lamp
Indicates a malfunction in:
• The hybrid system;
• The emission control system (if equipped);
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic hybrid transmission control system (if equipped)
→ Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
→ Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.

5017-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F00E_(EE)
Indicates that the brake hold system is unable to con-
tinue brake hold functionThe reason the brake hold system is not continue may
be displayed.
A buzzer also sounds.
→ Depress the brake pedal.
→ Close the driver’s door.
→ Fasten the driver’s seat belt.
Indicates that the vehicle is unable to drive over 110 km/h
(65 mph) until the transmission warms up
A buzzer also sounds.
→ Wait until the transmission warms up.
Indicates that the parking brake is set automatically while
the brake hold system is holding the brakes
A buzzer also sounds.
→ Release the parking brake.
Wa r n i n g m e s s a g eDetails/Actions

5647-2. Steps to take in an emergency
GS450h_300h_OM_OM30F00E_(EE)
NOTICE
■To avoid damaging the transmission and other components
●Avoid spinning the rear wheels and depressing the accelerator pedal more than nec-
essary.
●If the vehicle remains stuck even after these procedures are performed, the vehicle
may require towing to be freed.

573
8
8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30F00E_(EE)
*: The fluid capacity is the quantity of reference.
If replacement is necessary, contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Electrical system
12-volt battery
Open voltage at 20 °C (68 °F):12.0 V or higher
(Voltage is checked 20 minutes after the
hybrid system and all lights are turned off.)
Charging rates5 A max.
Hybrid transmission
Fluid capacity*GS450h5.69 L (6.01 qt., 5.01 Imp.qt.)
GS300h3.80 L (4.02 qt., 3.34 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 deterioration
in shift quality and ultimately damage the transmission of your vehicle.

607Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Engine coolant temperature gauge....................................................... 105
Engine oil.................................................. 422 Capacity .................................................570
Checking ............................................... 422
Oil level warning message ........... 482
Oil pressure warning message..............................................482
Preparing and checking before winter ....................................354
Engine switch ...........................................217 Auto power off function ...................219
Changing the power switch modes ................................................... 218
If your vehicle has to be stopped in an emergency..........469
Starting the hybrid system............... 217
EPS (Electric Power Steering)........345
Function ..................................................345
Warning light ....................................... 477
Warning message.............................482
EV drive mode ....................................... 222
First-aid kit storage net.......................395
Flat tire
Vehicles with spare tire ....................517
Vehicles without spare tire ...........528
Floor mats ................................................... 34
Fluid Brake........................................................ 574
Hybrid transmission ......................... 573
Washer ................................................... 427 Fog lights .................................................. 249
Replacing light bulbs ....................... 465
Switch ...................................................... 249
Follow me home system .................... 237
Footwell light .......................................... 386
Front air conditioning system .......... 366
Front fog lights ....................................... 249 Replacing light bulbs ....................... 465
Switch ...................................................... 249
Wattage ................................................. 465
Front personal lights............................ 387
Front position lights ............................. 236 Light switch........................................... 236
Replacing light bulbs ....................... 465
Welcome light illumination control ...................................................140
Front seats ................................................. 175 Adjustment ............................................. 175
Cleaning .................................................. 410
Correct driving posture.................... 36
Driving position memory ................ 178
Head restraints .....................................183
Power easy access system............. 178
Seat heaters.......................................... 382
Seat position memory ....................... 178
Seat ventilators ................................... 382
Front turn signal lights ........................ 230 Replacing light bulbs ...........459, 465
Turn signal lever................................. 230
Wattage ................................................. 578
F
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

609Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
HooksCargo hooks........................................394
Coat hooks ...........................................402
Luggage hook..................................... 394
Retaining hooks (floor mat)............. 34
Horn ............................................................ 186
Hybrid battery (traction battery) Location..................................................... 79
Specification ........................................ 569
Hybrid battery (traction battery)
air vents.................................................... 80
Hybrid system ........................................... 75
Emergency shut off system..............80
Energy monitor/consumption screen.......................126
EV drive mode ................................... 222
High voltage components ............... 79
Hybrid System Indicator ................. 108
Hybrid system precautions.............. 79
Hybrid vehicle driving tips ............. 351
If the hybrid system will not start .......................................543
Overheating ........................................ 556
Power (ignition) switch ..................... 217
Regenerative braking ......................... 76
Starting the hybrid system............... 217
Hybrid System Indicator .....................108
Hybrid transmission............................. 224 If the shift lever cannot be shifted from P ...................................545
Paddle shift switches ........................ 226
S mode.....................................................227 Identification ........................................... 567
Engine .....................................................568
Vehicle.................................................... 567
Ignition switch (power switch) .......... 217 Auto power off function ................... 219
Changing the power switch modes.................................................... 218
If your vehicle has to be stopped in an emergency ......... 469
Starting the hybrid system .............. 217
Illuminated entry system....................388
Immobilizer system................................. 84
Indicators .................................................... 101
Initialization Items to initialize ................................. 596
Moon roof............................................... 197
Power windows ................................... 194
Tire pressure warning system.................................................. 434
Initiators (tire pressure warning system)................................................... 443
Inside door handle lights ................... 386
Inside rear view mirror ........................ 188
Instrument panel light control ...........107
Interior lights........................................... 386
Intrusion sensor and tilt sensor .......... 93
ISOFIX rigid anchors ............................ 65I
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

615Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Shift lever.................................................. 224Hybrid transmission ......................... 224
If the shift lever cannot be shifted from P ...................................545
Shift lever light........................................386
Shift lock system ....................................545
Side airbags................................................ 43
Side display.............................................. 364
Side mirrors.............................................. 190 Adjusting and folding........................ 190
BSM (Blind spot monitor)............. 333
Linked mirror function when
reversing ................................................ 191
Mirror position memory...................178
Side turn signal lights...........................230 Replacing light bulbs........................465
Turn signal lever .................................230
Smart entry & start system................. 153
Antenna location................................. 153
Entry functions............................ 139, 146
Starting the hybrid system............... 217
Warning message.............................482
Snow mode ............................................. 225
Snow tires................................................. 357
Spare tire ................................................... 517 Inflation pressure................................ 577
Storage location .................................. 518
Spark plug................................................ 572 Specifications ......................................... 566
Speech command system
*
Speedometer .......................................... 104
Sport mode ............................................. 330
Steering lock ............................................219
Column lock release ....................... 220
Steering lock system warning message ...............................................515
Steering wheel........................................ 186 Adjustment .............................................186
Audio switches
*
Heated steering wheel ................... 382
Power easy access system............. 178
Steering wheel position
memory ................................................ 178
Stop lights
Emergency brake signal................ 345
Replacing light bulbs ....................... 465
Storage feature ..................................... 389
Storage precautions............................ 389
Stuck If the vehicle becomes stuck ....... 563
Sun visors ................................................. 397
Sun shade Rear ..........................................................400
Rear door ................................................401
Roof ............................................................ 197
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

617Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Tire inflation pressure ......................... 445Maintenance data..............................575
Tire inflation pressure display function ................................................ 433
Warning light ....................................... 479
Warning message.............................482
Tire pressure warning system ......... 433 Function .................................................. 433
Initializing................................................ 434
Installing tire pressure warning
valves and transmitters................ 434
Registering ID codes .......................435
Warning light ....................................... 479
Warning message.............................482
Tires ............................................................ 432 Chains .....................................................355
Checking ............................................... 432
Emergency tire puncture
repair kit ..............................................528
If you have a flat tire ............... 517, 528
Inflation pressure................................575
Replacing .................................................517
Rotating tires ........................................ 433
Size............................................................ 575
Snow tires .............................................. 357
Spare tire..................................................517
Tire inflation pressure display function ................................................ 433
Tire pressure warning system ..... 433
Warning light ....................................... 479
Warning message.............................482 Tools.................................................518, 529
Top strap ..................................................... 70
Towing ...................................................... 470
Emergency towing ........................... 470
Towing capacity................................. 566
Towing eyelet .......................................472
Trailer towing ........................... 209, 210
Traction battery (hybrid battery) .......79
Traction Control (TRC) ..................... 344
Traction motor (electric motor) .........75
Trailer towing ............................... 209, 210
Transmission........................................... 224
Driving mode select switch.......... 330
Hybrid transmission .......................... 224
If the shift lever cannot be shifted from P................................... 545
Paddle shift switches.........................226
S mode .................................................... 227
TRC (Traction Control) ..................... 344 Function.................................................. 344
TRC OFF switch ............................... 346
Trip information...................................... 104
Trip meters ............................................... 104
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.