
737
GS450h_OM_OM30D52U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
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 your Lexus
dealer.
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 your Lexus dealer.
Stop the vehicle immediately. Continuing to drive the vehicle may
be dangerous.
Warning lightWarning light/Details
(U.S.A.)
(Canada)Brake system warning light (warning buzzer) • Low brake fluid
• Malfunction in the electronically controlled brake system
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747
GS450h_OM_OM30D52U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
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-information display.
Multi-information display
If any of the warning light comes on again after the following actions have
been performed, contact your Lexus dealer.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
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.
Warning messageDetails
Indicates the following: • The brake fluid level is low; or,
• The brake system is malfunctioning.A buzzer also sounds.
(U.S.A.)
(Canada)
GS450h_OM_OM30D52U_(U).book Page 747 Monday, July 29, 2013 12:07 PM

7657-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
7
When trouble arises
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.
Warning messageDetailsCorrection procedure
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 lowAdd washer fluid.
Indicates that all mainte-
nance according to the
driven distance on the
maintenance schedule
*
should be performed
soon.If necessary, perform
maintenance.
Comes on approxi-
mately 4500 miles
(7200 km) after the
maintenance data has
been reset.
(U.S.A. only)
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GS450h_OM_OM30D52U_(U)
8158-1. Specifications
8
Vehicle specifications
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus dealer
for further details.
*: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N,51.0 kgf) 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. 737).
Differential
Oil capacity1.43 qt. (1.35 L, 1.19 Imp.qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
Brakes
Pe d a l c l e a r a n c e*4.5 in. (115 mm) Min.
Pe d a l f r e e p l a y0.04 — 0.08 in. (1.0 — 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)
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869Alphabetical index
GS450h_OM_OM30D52U_(U)
Approach warningDynamic radar cruise control......246
Dynamic radar cruise control with full-speed range .................... 262
Armrest .................................................... 620
Ashtrays....................................................... 611
Assist grips .............................................. 625
Audio input................................................521
Audio system............................................. 411 Audio input............................................. 521
AUX port/USB port...........................521, 501, 511
Bluetooth
® audio.............................. 489
CD/DVD player ................................ 457
CD/DVD player information ...... 477
DVD video ........................................... 465
iPod .......................................................... 509
MP3/WMA disc .............................. 459
Optimal use ........................................... 519
Portable music player ....................... 521
Radio ........................................................434
Rear seat audio controls ................523
Steering wheel audio switch ........ 527
USB memory ...................................... 499
Automatic headlight leveling system .................................................... 220
Automatic light control system......... 217
AUX port...................................................521
Auxiliary boxes ...................................... 606
AVS (Adaptive Variable Suspension system)..........................309 Back-up lights
Replacing light bulbs ........................722
Wattage ...................................................817
Battery (12-volt battery) .....................673 If the 12-volt battery is
discharged......................................... 796
Preparing and checking before
winter.................................................... 342
Warning light ....................................... 738
Battery (traction battery) ...................... 76
Blind Spot Monitor (BSM) ................324
Bluetooth®
Audio system .......................................489
Hands-free system (for cellular phone) .......................530
Brake Brake Hold ............................................. 214
Fluid ............................................................ 671
Parking brake ..........................................211
Regenerative braking ..........................74
Warning light ........................... 737, 740
Warning message..............................747
Brake assist ............................................. 308
Brake Hold................................................ 214
Break-in tips ............................................. 177
Brightness control Instrument panel light control ........ 93
BSM (Blind Spot Monitor) ................324 Blind Spot Monitor function......... 328
Rear Cross Traffic Alert function.................................................. 331
B
GS450h_OM_OM30D52U_(U).book Page 869 Monday, July 29, 2013 12:07 PM

873Alphabetical index
GS450h_OM_OM30D52U_(U)
First-aid kit storage net ...................... 607
Flat tire .......................................................775
Floor mats ................................................... 28
FluidBrake ......................................................... 815
Hybrid transmission........................... 814
Washer ................................................... 672
Fog lights .................................................. 222 Replacing light bulbs ..............715, 723
Switch....................................................... 222
Wattage ................................................... 817
Footwell light .......................................... 597
Front passenger occupant classification system ............................ 49
Front personal lights............................598
Front seats ................................................ 150 Adjustment ............................................. 150
Cleaning ................................................ 646
Correct driving posture ....................30
Driving position memory ................ 152
Head restraints..................................... 158
Power easy access system ............ 152
Seat heaters ........................................... 616
Seat position memory....................... 152
Seat ventilators ..................................... 616
Front side marker lights ....................... 217 Light switch ............................................. 217
Replacing light bulbs ........................ 723
Welcome light illumination
control ....................................................123
Front turn signal lights ........................ 209
Replacing light bulbs .......................... 717
Turn signal lever ................................ 209
Wattage ................................................... 817 Fuel.............................................................. 810
Capacity .................................................. 810
Fuel gauge ................................................. 91
Information............................................. 818
Refueling .................................................. 231
Type................................................. 231, 810
Warning light ....................................... 740
Warning messages .......................... 763
Fuel consumption Average fuel consumption .............. 98
Average fuel consumption after refueling .......................................97
Current fuel consumption.................97
Fuel filler door.......................................... 231
Refueling .................................................. 231
When the fuel filler door cannot be opened ......................... 234
Fuses.......................................................... 696
Garage door opener........................... 627
Gauges.......................................................... 91
Glove box ............................................... 602
Glove box light...................................... 602
F
G
GS450h_OM_OM30D52U_(U).book Page 873 Monday, July 29, 2013 12:07 PM

885Alphabetical index
GS450h_OM_OM30D52U_(U)
Warning lights .......................................... 87ABS ...........................................................738
AFS OFF indicator ............................ 739
Brake hold operated
indicator .............................................. 739
Brake system............................ 737, 740
Charging system................................738
Electric power steering...................738
Low fuel level .......................................740
Malfunction indicator lamp ...........738
Master warning light.........................740
Open door ............................................740
Parking brake indicator .................. 739
Pre-collision system.......................... 739
Seat belt reminder light ...................740
Slip indicator .........................................739
SRS ............................................................738
Tire pressure ..........................................741
Warning messages ...............................747
Warning reflector storage belt.......608
Washer ..................................................... 223 Checking................................................ 672
Low washer fluid warning message ...........................765
Preparing and checking before winter .................................... 342
Switch....................................................... 223
Washing and waxing........................... 642
Weight Cargo capacity .................................... 190
Load limits............................................... 190
Weight....................................................808
Welcome light illumination control......................................................123
Wheels Replacing wheels .............................. 690
Size ............................................................. 816 Window glasses...................................... 167
Window lock switch.............................. 167
Windows.................................................... 167
Power windows.................................... 167
Rear window defogger ..................409
Windshield wiper de-icer ................... 410
Windshield wipers ................................223 Position ................................................... 345
Rain-sensing windshield wipers................................................... 223
Winter driving tips ................................342
Wireless remote control key............. 136 Battery-Saving Function .................. 129
Locking/Unlocking ............................136
Replacing the battery ...................... 694
WMA disc............................................... 459
XM
® Satellite Radio ............................444
X
GS450h_OM_OM30D52U_(U).book Page 885 Monday, July 29, 2013 12:07 PM