7477-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
InteriorbuzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once
The driver’s door
was opened and
closed with the
power switch
turned off and then
the power switch
was put in ACCES-
SORY mode twice
without the hybrid
system being
started.
Press the
power
switch while
depressing
the brake
pedal.
During an hybrid
system starting pro-
cedure in the event
that the electronic
key was not func-
tioning properly
( P. 76 8 ) , t h e
power switch was
touched with the
electronic key.
Press the
power
switch
within 10
seconds of
the buzzer
sounding.
Once
The steering lock
could not be
released within 3
seconds of the
power switch being
pressed.
Press the
power
switch while
depressing
the brake
pedal and
moving the
steering
wheel left
and right.
Once
The power switch
has been turned off
with the shift lever
in a position other
than P or N.
Shift the
shift lever to
P.
(Flashes)
(Flashes)
(Flashes)
7607-2. Steps to take in an emergency
GS450h_U (OM30D01U)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
• ABS & Brake assist
•VSC
•TRAC
•Cruise control
• Dynamic radar cruise control (if equipped)
•PCS (if equipped)
•EPS • AFS (if equipped)
•AVS
• LKA (Lane-Keeping Assist)
(if equipped)
• Rear view monitor system
•Intuitive parking as sist (if equipped)
• Navigation system (if equipped)
762
GS450h_U (OM30D01U)
7-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (P. 76 8 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( P. 7 9 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctio ning due to an electrical problem
such as electronic key battery de pletion or a blown fuse. However,
depending on the type of malfuncti on, an interim measure is available
to start the hybrid system. ( P. 763)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 770)
●The 12-volt battery terminal connecti ons may be loose or corroded.
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perf orm the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 1 8 9 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
GS450h_U (OM30D01U)
7898-1. Specifications
8
Vehicle specifications
Your Lexus vehicle is filled with “Toyota Genuine Differential Oil” at the factory.
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 illumina ted when the hybrid system is operating
(If the brake system warning light is illuminated, refer to P. 711).
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.
Pedal free play0.04 — 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)
802
GS450h_U (OM30D01U)
8-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of hybrid transmission,
power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
836What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Did you press the power switch while firmly depressing the
brake pedal? ( P. 1 8 9 )
●Is the shift lever in P? ( P. 1 9 2 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 2 4 )
●Is the steering wheel unlocked? ( P. 193)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( P. 76 8 )
●Is the 12-volt battery discharged? ( P. 7 7 0 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the power switch in ON mode ( P. 764)
●It is locked automatically to prevent theft of the vehicle.
( P. 1 9 2 )
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped
841Alphabetical index
GS450h_U (OM30D01U)
Alarm ..............................................................81Alarm............................................................ 81
Warning buzzer .......................... 711, 721
Anchor brackets ...................................... 62
Antennas (smart access system with push-button start) ......................123
Anti-lock Brake System (ABS)....... 289 Function ................................................. 289
Warning light ......................................... 712
Warning message ............................. 725
Approach warning (dynamic radar cruise control) ........................ 242
Armrest .................................................... 593
Ashtrays....................................................585
Assist grips ..............................................598
Audio input.............................................. 497
Audio system.......................................... 386 Audio input............................................ 497
AUX port/USB port..................... 497, 477, 487
Bluetooth
® audio.............................. 465
CD/DVD player ................................433
CD/DVD player information ......453
DVD video ............................................. 441
iPod .......................................................... 485
MP3/WMA disc ...............................435
Optimal use ......................................... 495
Portable music player ...................... 497
Radio ....................................................... 409
Rear seat audio controls ............... 498
Steering wheel audio switch ....... 503
USB memory .......................................475 Automatic headlight leveling
system ...................................................... 216
Automatic light control system ........ 213
AUX port ................................................. 497
Auxiliary boxes ..................................... 580
AVS (Adaptive Variable Suspension system) ......................... 290
Back-up lights Replacing light bulbs .......................696
Wattage ................................................... 791
Battery (12-volt battery) ..................... 647 If the 12-volt battery is discharged......................................... 770
Preparing and checking before winter......................................................319
Warning light ......................................... 712
Battery (traction battery) ...................... 74
Blind Spot Monitor (BSM) ............... 305
Bluetooth®
Audio system ....................................... 465
Hands-free system (for cellular phone) ...................... 506
Brake Brake Hold .............................................210
Fluid .......................................................... 645
Parking brake ...................................... 207
Regenerative braking .......................... 72
Warning light .................................711, 714
Warning message............................... 721
B
844Alphabetical index
GS450h_U (OM30D01U)
Driver’s seat position memory ......... 150
Driving......................................................... 172Break-in tips ...........................................173
Correct driving posture ....................30
Driving mode select switch ......... 286
Hybrid vehicle driving tips...............317
Procedures ............................................. 172
Winter drive tips .................................. 319
DVD player................................... 433, 441
Dynamic radar cruise control ......... 236 Function ..................................................236
Warning message ................. 723, 734
Eco drive mode ..................................... 286
EDR (Event data recorder) .................... 11
Electric motor (traction motor) ......... 70
Electric Power Steering (EPS) ....... 289 Function ................................................. 289
Warning light ......................................... 712
Warning message ............................. 726
Electronic key ........................................... 118 Battery-saving function ..................... 127
If the electronic key does not operate properly............................. 767
Replacing the battery ...................... 668 Emergency, in case of
If the 12-volt battery is discharged......................................... 770
If the electronic key does not operate properly ........ 767
If the hybrid system will not start ....................................... 762
If the parking brake cannot be released ....................... 765
If the shift lever cannot be shifted from P ............ 764
If the warning buzzer sounds ..........711
If the warning light turns on ..............711
If the warning message is displayed .......................................... 721
If you have a flat tire .......................... 749
If you think something is wrong ................................................710
If your vehicle becomes stuck...................................................... 778
If your vehicle has to be stopped in an emergency............................. 703
If your vehicle needs to be towed ....................................... 704
If your vehicle overheats .................774
Emergency flashers .............................702
E