2013 Lexus GS300h brake fluid

8307-2. Steps to take in an emergency
GS450h_300h_OM_OM30D53E_(EE)
If a warning light turns on or a warning buzzer
sounds
The following warning indicates a possible problem in the 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.
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 necessarily 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
and equipped professional.
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.
Wa r n i n g
lightWarning light/Details
Brake system warning light (warning buzzer)
• Low brake fluid
• Malfunction in the electronically controlled brake sys-
tem

8397-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30D53E_(EE)
If a warning message is displayed
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is currently
being displayed on the multi-infor-
mation display.
Multi-information display
If any of the warning light comes on again after the following
actions have been performed, contact any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional.
The following warning indicates a possible problem in the 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.
If a warning is shown on the multi-information display, stay calm
and perform the following actions:
1
2
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.
Wa r n i n g m e s s a g eDetails
Indicates the following:
• The brake fluid level is low; or,
• The brake system is malfunctioning.
A buzzer also sounds.

8597-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30D53E_(EE)
A warning message is shown on the multi-information display.
After taking the specified steps to correct the suspected problem,
check that the warning message goes off.
Follow the correction procedures.
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that the
dynamic radar cruise
control with full-speed
range is unable to
judge vehicle-to-vehi-
cle distance
• Depress the brake
pedal.
• Turn off the snow
mode.
• If the windshield
wipers are on, turn
them off or set them
to a mode other than
AUTO or high speed
wiper operation.
(If equipped)
Indicates that the Auto-
matic High Beam
switch is pressed while
the headlights are in
low beam.Turn the high beam on
and press the Auto-
matic High Beam
switch again.
Indicates that the brake
hold system is not hold
the vehicle when the
vehicle is on a slippery
road
Use the brake hold sys-
tem when it becomes
available.
Indicates that the
washer fluid level is
low
Add washer fluid.

935
8 8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30D53E_(EE)Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at
the factory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equiva-
lent of matching quality to satisfy the above specification. Please contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional for further details.
*: Minimum pedal clearance when depressed with a force of 500 N
(51.0 kgf, 112.4 lbf) while the hybrid system is operating.
When performing the brake pedal inspection, also be sure to check that the
brake system warning light is not illuminated when the hybrid system is
operating (If the brake system warning light is illuminated, refer to P.
830).
Differential
Oil capacity1.35 L (1.43 qt., 1.19 Imp.qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
Brakes
Pedal clearance*115 mm (4.5 in.) Min.
Pedal free play1.0 — 2.0 mm (0.04 — 0.08 in.)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3,
SAE J1704 or FMVSS No. 116 DOT 4
Steering
Free playLess than 30 mm (1.2 in.)

964Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Back-up light
Replacing light bulb .............812
Wattage .................................940
Battery (12-volt battery) ............749
If the 12-volt battery is
discharged ..........................913
Preparing and checking
before winter ......................434
Warning light........................831
Battery (traction battery) .............84
Blind Spot Monitor (BSM) ......418
Bluetooth
®
Audio system ........................567
Hands-free system
(for cellular phone).............611
Brake
Brake Hold ...........................272
Fluid......................................935
Parking brake ........................269
Regenerative braking ..............82
Warning light ................830, 833
Warning message..................839
Brake assist ...............................397
Brake Hold ................................272
Break-in tips .............................226
Brightness control
Instrument panel light control ....
111
BSM (Blind Spot Monitor) .......418
Blind Spot Monitor function 424
Rear Cross Traffic
Alert function .....................427Card key ................................... 138
Care .................................. 720, 724
Aluminum wheels ................ 721
Exterior ................................ 720
Interior ................................. 724
Seat belts .............................. 725
Cargo hooks.............................. 694
Caution label............................... 84
CD player ................................. 536
Chains ....................................... 436
Child restraint system ................. 59
Baby seats, definition ............ 59
Baby seats, installation .......... 72
Child seats, definition ............ 59
Child seats, installation .......... 72
Installing CRS with ISOFIX
rigid anchors ........................ 75
Installing CRS with seat belts 72
Installing CRS with top strap. 76
Junior seats, definition ........... 59
Junior seats, installation......... 74
BC

968Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Emergency brake signal ............399
Emergency flashers ...................820
Emergency tire puncture
repair kit ..................................885
Energy monitor..........................131
Engine .......................................928
Accessory mode....................247
Compartment ........................738
Engine switch .......................246
Hood .....................................734
How to start the hybrid
system.................................246
Identification number ...........928
Ignition switch
(power switch)....................246
Overheating ..........................917
Power switch ........................246
Engine compartment cover........740
Engine coolant ...........................744
Capacity ................................933
Checking ...............................744
Preparing and checking
before winter ......................434
Engine coolant temperature
gauge .......................................109
Engine oil ..................................741
Capacity ................................930
Checking ...............................741
Oil level warning message....853
Oil pressure warning
message ..............................841
Preparing and checking
before winter ......................434Engine switch ........................... 246
EPS (Electric Power Steering) . 398
Function ............................... 398
Warning light ....................... 833
Warning message................. 845
EV drive mode.......................... 254
First-aid kit storage net ............. 694
Flat tire
Vehicles with a spare tire..... 871
Vehicles without a spare tire 885
Floor mats ................................... 34
Fluid
Brake.................................... 935
Hybrid transmission............. 934
Washer ................................. 748
Fog lights .................................. 283
Replacing light bulbs ... 805, 818
Switch .................................. 283
Wattage ................................ 940
Follow me home system ........... 273
Footwell light ........................... 684
Front air conditioning system ... 478
Front fog lights ......................... 283
Replacing light bulbs ... 805, 818
Switch .................................. 283
Wattage ................................ 940
Front personal lights ................. 685
Front position lights.................. 272
Light switch ......................... 272
Replacing light bulbs ........... 818
Welcome light illumination
control ............................... 143
F

980Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Warning buzzers
Approach warning ........308, 326
Brake system ........................830
Downshifting ........................265
Key reminder ........................865
Lexus parking assist-sensor ..348
No-handed driving warning..343
Open door .............................848
Open hood ............................848
Open moon roof....................849
Open trunk ............................849
Open window .......................849
Pre-crash braking ..................406
Seat belt reminder .................834
Warning lights ...........................105
ABS ......................................832
AFS OFF indicator ...............833
Brake hold operated
indicator .............................833
Brake system ................830, 833
Charging system ...................831
Electric power steering
system.................................833
Low fuel level .......................834
Malfunction indicator lamp ..831
Master warning light ............834
Open door .............................834
Parking brake indicator.........833
Pre-Crash Safety system .......833
Seat belt reminder light ........834
Slip indicator ........................833
SRS .......................................831
Tire pressure .........................835Warning messages .................... 839
Warning reflector storage belt .. 695
Washer ...................................... 285
Checking .............................. 748
Low washer fluid warning
message ............................. 859
Preparing and checking
before winter ..................... 434
Switch .................................. 285
Washing and waxing ................ 720
Weight ...................................... 926
Welcome light illumination
control .................................... 143
Wheels ...................................... 774
Replacing ............................. 774
Size ...................................... 936
Window glasses ........................ 215
Window lock switch ................. 215
Windows................................... 215
Power windows.................... 215
Rear window defogger......... 501
Windshield wiper de-icer ......... 502
Windshield wipers .................... 285
Intermittent windshield wipers
with interval adjuster ......... 285
Position ................................ 437
Rain-sensing windshield
wipers ................................ 287
Winter driving tips.................... 434
Wireless remote control key ..... 168
Battery-Saving Function ...... 149
Locking/Unlocking .............. 168
Replacing the battery ........... 779
WMA disc ................................ 538
W