7367-2. Steps to take in an emergency
GS450h_U (OM30D01U)
Alerts the driver that the
vehicle is out of the lanes
(while the LKA [Lane-
Keeping Assist] system is
operating)The warning buzzer
sounds cont inuously.
The lane markings and/
or the steering wheel
marking flash.
At the same time,
will appear
on the head-up dis-
play (part of the image
flashes).
Check around the vehi-
cle and back to inside of
the lane markings.
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while the
lane keeping assist func-
tion is operating) The warning buzzer
sounds twice.
Grip the steering wheel
firmly.
Indicates that the Blind
Spot Monitor sensors or
the surrounding area on
the bumper is dirty or
covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Indicates that the hybrid
system has overheatedThis message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.)
Stop and check.
( P. 7 74 )
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
(If equipped)
(If equipped)
7387-2. Steps to take in an emergency
GS450h_U (OM30D01U)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if vehicle-to-
vehicle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
■The LKA (Lane-Keeping Assist) lane departure warning function
In the following cases, the warning message will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LKA system
functions
●When the lane lines cannot be recognized
●When the steering wheel is turned as far as necessary to cause the vehicle to
change lanes
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)
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
847Alphabetical index
GS450h_U (OM30D01U)
HeatersAir conditioning system ..................364
Heated steering wheel ...................588
Seat heaters ......................................... 590
Outside rear view mirrors ............ 384
High-voltage components ...................74
Hood .......................................................... 634 Open ........................................................634
Warning message .............................728
Hooks Cargo hooks ......................................... 581
Coat hooks ...........................................597
Luggage hook ...................................... 581
Retaining hooks (floor mat) ............. 28
Utility hook ........................................... 599
Horn ............................................................. 212
Hybrid battery (traction battery) .......74
Hybrid battery (traction battery) air vents .................................................... 75
Hybrid system ........................................... 70 Emergency shut off system.............. 75
Energy monitor/consumption screen ...................... 109
EV drive mode..................................... 196
High voltage components ............... 74
Hybrid System Indicator ................... 92
Hybrid system precautions.............. 74
Hybrid vehicle driving tips...............317
If the hybrid system will not start........................................ 762
Overheating ......................................... 774
Power (ignition) switch .................... 189
Starting the hybrid system .............. 189
Vehicle proximity notification system ....................................................... 71 Hybrid System Indicator .......................92
Hybrid transmission .............................. 199
If the shift lever cannot be shifted from P ............ 764
Paddle shift switches..........................201
S mode.................................................... 202
I/M test ..................................................... 630
Identification Engine ..................................................... 783
Vehicle .................................................... 783
Ignition switch (power switch) ..........189
Illuminated entry system ....................573
Immobilizer system ................................. 79
Indicators .....................................................87
Initialization Maintenance ........................................ 624
Moon roof ...............................................169
Power windows....................................165
Tire pressure warning system ...............................653
Initiators (tire pressure warning system) ................................ 659
Inside door handle lights ..................... 571
Inside rear view mirror......................... 159
Instrument panel light control .............. 91
Interior lights ............................................ 571
Intuitive parking assist .......................... 261 Function .................................................... 261
Warning message..................723, 734
I
854Alphabetical index
GS450h_U (OM30D01U)
Spare tire.................................................. 749Inflation pressure ............................... 790
Storage location ................................ 750
Spark plug ............................................... 787
Specifications ......................................... 782
Speedometer ............................................ 89
Sport mode ............................................. 286
Steering lock ............................................192 Column lock release ......................... 193
Steering lock system warning message ........................... 747
Steering wheel ........................................ 158 Adjustment ............................................. 158
Audio switches ................................... 503
Heated steering wheel ...................588
Power easy access system ............ 153
Steering wheel position memory.............................. 150
Stop lights Replacing light bulbs ........................697
Storage feature ..................................... 574
Stuck If the vehicle becomes stuck ........ 778
Sun shade Rear.......................................................... 594
Rear door.............................................. 595
Roof............................................................ 168
Sun visors .................................................583 Switches
AFS OFF switch ................................... 215
Audio remote control switches ..............................................503
Brake hold switch................................210
BSM (Blind spot monitor) switch ...................................................305
Cruise control switch .......... 232, 236
“DISP” button.......................................... 95
Door lock switches ............................. 137
Driving mode select switch .......... 286
Driving position memory switches ............................................... 150
Emergency flashers switch ........... 702
EV drive mode switch ......................196
Fog light switch .....................................218
Garage door opener switches ............................................. 600
Headlight cleaner switch ............... 226
Heated steering wheel switch .................................................. 588
HUD (Head-up display) switches ................................................102
Ignition switch....................................... 189
Intuitive parking assist........................ 261
Lexus night view switch......................311
Light switch............................................. 213
LKA (Lane-Keeping Assist) switch ................................................... 253
Moon roof switches ........................... 167
Outside rear view mirror switches ................................................. 161