7427-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors,
side impact sensors (front door), side impact sensors (front), side impact sensors
(rear), driver’s seat position sensor, driver’s seat belt buckle switch, front passenger
occupant classification system, “AIR BAG ON” indicator light, “AIR BAG OFF” indi-
cator light, front passenger’s seat belt buckle switch, seat belt pretensioner assem-
blies, airbags, interconnecting wiring and power sources. (→P. 4 0 )
■Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger detection sen-
sor may cause the warning light to flash and the warning buzzer to sound even if a
passenger is not sitting in the seat.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the warn-
ing buzzer may sound.
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch will not turn off the tire pressure warning light.
GS450h_OM_OM30D52U_(U).book Page 742 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)
GS450h_OM_OM30D52U_(U).book Page 765 Monday, July 29, 2013 12:07 PM
7667-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
Warning messageDetailsCorrection procedure
Indicates that all mainte-
nance is required to cor-
respond to the driven
distance on the mainte-
nance schedule
*.Perform the necessary
maintenance. Please
reset the maintenance
data after the mainte-
nance is performed
(→ P. 650)
Comes on approxi-
mately 5000 miles
(8000 km) after the
maintenance data has
been reset.
(The indicator will not
work properly unless the
maintenance data has
been reset.)
Indicates that the tire
inflation pressure is lowCheck the tire inflation
pressure, and adjust to
the appropriate level.
Indicates a malfunction in
the tire pressure warning
system
Stop the vehicle in a safe
place and turn the power
switch off then on again.
If the tire pressure
warning indicator
flashes for 1 minute
then illuminates, there
is a malfunction in the
system. Have the vehi-
cle inspected at your
Lexus dealer.
(U.S.A. only)
(If equipped)
(If equipped)
GS450h_OM_OM30D52U_(U).book Page 766 Monday, July 29, 2013 12:07 PM
879Alphabetical index
GS450h_OM_OM30D52U_(U)
Pre-Collision System (PCS) ............. 315Function ................................................... 315
PCS OFF switch ................................. 316
Warning light ....................................... 739
Warning message ........................749, 761, 767
Radar cruise control (dynamic radar cruise control) ........................ 240
Radiator .................................................... 670
Radio.......................................................... 434
RBDS (Radio Broadcast Data Systems)..................................... 437
Rear air conditioning system ........... 404
Rear door sunshades .......................... 622
Rear personal lights.............................598
Rear side marker lights ........................ 217 Light switch ............................................. 217
Replacing light bulbs ........................ 723
Welcome light illumination control ..........................123
Rear seat heaters....................................616
Rear sunshade .........................................621 Operation ............................................... 621
Reverse operation feature............. 622 Rear turn signal lights ......................... 209
Replacing light bulbs ......................... 721
Turn signal lever ................................. 209
Wattage ...................................................817
Rear view mirror Inside rear view mirror...................... 162
Outside rear view mirrors ..............164
Rear view monitor system .................294
Rear window defoggers.................... 409
Refueling.................................................... 231
Capacity .................................................. 810
Fuel types................................................ 810
Opening the fuel tank cap ............ 233
When the fuel filler door cannot be opened ......................... 234
Regenerative braking............................. 74
Remote Touch ....................................... 350
Remote Touch screen........................ 352
Replacing Electronic key battery ..................... 694
Fuses ........................................................696
Light bulbs............................................... 713
Tires .......................................................... 775
Reporting safety defects
for U.S. owners .................................. 846
Reset the maintenance data ............ 650
Road accident cautions ......................... 79
R
GS450h_OM_OM30D52U_(U).book Page 879 Monday, July 29, 2013 12:07 PM
882Alphabetical index
GS450h_OM_OM30D52U_(U)
SwitchesAFS OFF switch .................................. 219
Audio remote control switches ............................................... 527
Brake hold switch ................................214
BSM (Blind spot monitor) switch.................................................... 324
Cruise control switch.......... 236, 240
“DISP” button .......................................... 97
Door lock switches ............................ 139
Driving mode select switch ......... 305
Driving position memory
switches ................................................ 152
Emergency flashers switch ...........728
EV drive mode switch .................... 200
Fog light switch ................................... 222
Garage door opener switches ............................................... 627
Headlight cleaner switch .............. 230
Heated steering wheel switch..................................................... 614
HUD (Head-up display)
switches ................................................ 104
Ignition switch ....................................... 193
Intuitive parking assist ....................... 281
Lexus night view switch ..................334
Light switch ............................................. 217
LKA (Lane-Keeping Assist)
switch.................................................... 273
Moon roof switches........................... 170
Outside rear view mirror switches ................................................ 164 Paddle shift switches........................ 205
Parking brake switches ......................211
PCS OFF switch ..................................316
Power door lock switch ...................139
Power switch .........................................193
Power window switches .................. 167
Rear sunshade switch ....................... 621
Rear window and outside
rear view mirror defoggers
switch ...................................................409
Seat heater switches ..........................616
Seat ventilator switches ....................616
Snow mode switch ........................... 204
“SOS” button ....................................... 634
Talk switch............................................. 375
Telephone switches............................531
Tilt and telescopic steering control switch ................... 161
Tire pressure warning reset switch .................................................. 680
Trunk closer switch............................. 144
Trunk opener switch .......................... 143
Trunk opener main switch .............. 144
Vehicle-to-vehicle distance button ....................................... 243, 255
VSC OFF switch ................................ 310
Window lock switch .......................... 167
Windshield wipers
and washer switch ......................... 223
GS450h_OM_OM30D52U_(U).book Page 882 Monday, July 29, 2013 12:07 PM
883Alphabetical index
GS450h_OM_OM30D52U_(U)
Tachometer .......................................91, 106
Tail lights..................................................... 217Light switch ............................................. 217
Replacing light bulbs ........................ 723
Welcome light illumination
control ....................................................123
Talk switch ............................................... 375
Telephone switches .............................. 531
Theft deterrent system
Alarm...........................................................83
Immobilizer system ............................... 81
Tire inflation pressure .......................... 816 Maintenance data ............................... 816
Tire inflation pressure display function ...................................................99
Warning light .........................................741
Warning message .............................766
Tire information ...................................... 821 Glossary ................................................ 828
Size ............................................................824
Tire identification number............. 823
Uniform Tire Quality Grading.............................................. 826
Tire pressure warning system ......... 679 Function ..................................................679
Initializing ................................................679
Installing tire pressure warning
valves and transmitters ................679
Registering ID codes ........................ 681
Tire pressure warning reset switch................................................... 680
Warning light .........................................741
Warning message ................. 766, 767 Tires ............................................................ 677
Chains ..................................................... 344
Checking ............................................... 677
If you have a flat tire .......................... 775
Inflation pressure................................. 816
Information..............................................821
Replacing ............................................... 775
Rotating tires ........................................678
Size ............................................................ 816
Snow tires .............................................. 346
Spare tire................................................ 775
Tire inflation pressure display
function................................................... 99
Tire pressure warning system ..... 679
Warning light ......................................... 741
Warning message............................. 766
Tools ........................................................... 776
Top tether strap ....................................... 68
Total load capacity.................................190
Towing Dinghy towing ....................................... 192
Emergency towing ........................... 730
Towing eyelet ........................................ 731
Trailer towing.......................................... 191
TRAC (Traction Control)................. 308
Traction battery (hybrid battery) ....... 76
Traction motor (electric motor)......... 72
Transmission .......................................... 203 Driving mode select switch ..........305
Hybrid transmission ......................... 203
If the shift lever cannot be shifted from P ...................................790
S mode.................................................... 206
Paddle shift switches........................ 205
T
GS450h_OM_OM30D52U_(U).book Page 883 Monday, July 29, 2013 12:07 PM