4597-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
7
When trouble arises
■If “Hybrid System Overheated Reduced Output Power” is shown on the
multi-information displayStop the vehicle in a safe place.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has cooled down, inspect the hoses and radiator
core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines
on the reservoir.Reservoir
“FULL”
“LOW”
Add coolant if necessary.
Water can be used in an emergency
if power control unit coolant is
unavailable.
Start the hybrid system and check for the multi-information display.
If the message does not disappear:
Stop the hybrid system and contact your Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the nearest Lexus dealer.
1
2
3
1
2
4
1
2
3
5
6
492
GS450h_OM_OM30E99U_(U)
8-2. Customization
■Meters and multi-information display (P. 9 3 )
FunctionDefault
settingCustomized setting
Language EnglishFrench
OO —
Spanish
Units*1miles
(MPG US)
miles
(MPG Imperial)
OO—km (L/100 km)
km (km/L)
EV indicator On Off
—O—
switch settingsDrive
information
1Desired status screen
*2—O—
Drive information screen displayed on
the first screen of
(Drive information 1)
Current fuel consump- tion
*3—O—Average
fuel
economy
(after reset)
Drive information screen displayed on
the second screen of
(Drive information 2)
Distance
(range)
*3—O—Average speed
(after reset)
Drive information screen displayed on
the third screen of
(Drive information 3)
Average
fuel
economy (after
refuel)
*3—O—
Elapsed time
(after start)
Po p - u p d i s p l a yOnOff—O—
Accent color*4Color 1Color 2OO—
123
GS450h_OM_OM30E99U_(U)
4938-2. Customization
8
Vehicle specifications
*1: The default setting varies according to countries.
*2: Some status screens cannot be registered (indicated on the multi-information display)
*3: 2 of the following items: current fuel consumption, average fuel economy (after reset),average fuel economy (after refuel), average fuel economy (after start), average vehi-
cle speed (after reset), average vehicle speed (after start), distance (driving range),
distance (after start), elapsed time (after reset), elapsed time (after start), blank
*4:Except F SPORT models
*5:F SPORT models
Changeover to tachometer
when sport mode is selected
AutoHybrid system
indicator (always) —O—
Tachometer (always)
Clock 12-hour
display 24-hour display
—O—
Needle
*5Blue Red—O—
White
Rev indicator
*54000 rpm 2000 to
6000 rpm—O—
OFF
Rev peak
*5ON OFF—O—
FunctionDefault settingCustomized setting123
GS450h_OM_OM30E99U_(U)
4998-2. Customization
8
Vehicle specifications
■Intuitive parking assist*1, 2
*1:If equipped
*2: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
■Driving mode select switch (P. 256)
FunctionDefault
settingCustomized setting
Detection distance of the front center
sensorFarNearO—O
Detection distance of the rear center
sensorFarNearO—O
Buzzer volume31 to 5O—O
Display setting
(when intuitive parking assist is operat-
ing)All sensors displayedDisplay offO—O
123
FunctionDefault
settingCustomized setting
Power train controlNormalPo w e rO——Eco
Chassis controlNormalSportO——
Air conditioning operationNormalEcoO——
123
522What to do if... (Troubleshooting)
GS450h_OM_OM30E99U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 4 0 2 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 9 3 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 4 0 0 , 4 0 6 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 7 )
To stop the alarm, turn the power switch to ON mode or start the hybrid system.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 4 0 6 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 0 0 , 4 0 6 . A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
527Alphabetical index
GS450h_OM_OM30E99U_(U)
Daytime running light system ........... 198
DefoggerFront windshield .................................. 291
Outside rear view mirrors .............. 291
Rear window ......................................... 291
Differential ................................................472
Dimensions ............................................. 466
Dinghy towing.......................................... 179
Display 12.3-inch display................................ 283
Drive information ..................................95
Dynamic radar cruise control with full-speed range ......................241
Energy monitor .................................... 107
LKA (Lane-Keeping Assist) .........236
Multi-information display .................. 93
Trip information .....................................86
Warning message ............................ 406
Do-it-yourself maintenance ............. 345
Door courtesy lights Location ................................................. 302
Door lock Doors ........................................................ 120
Smart access system with push-button start ............................. 133
Wireless remote control ................. 120 Doors .......................................................... 120
Automatic door locking and unlocking system .................... 123
Door glasses ......................................... 158
Door lock................................................. 122
Open door warning buzzer .......... 134
Outside rear view mirrors ..............154
Rear door child-p rotector .............. 123
Drive info 1/Drive info 2/ Drive info 3............................................. 98Drive information .................................. 95
Drive-start control .........................167, 191
Driver’s seat position memory.......... 143 Driving position memory................. 144
Memory recall function ....................145
Power easy access system ............. 143
Driving ........................................................ 166 Break-in tips ........................................... 167
Correct driving posture .................... 28
Driving mode select switch .......... 256
Hybrid vehicle driving tips .............272
Procedures .............................................166
Winter drive tips .................................274
DRS (Dynamic Rear Steering) ........ 267 Function .................................................. 267
Warning message.............................406
DVD player
*
Dynamic radar cruise control with full-speed rangeFunction .................................................... 241
Warning message.............................406
Dynamic Rear Steering (DRS) ........ 267 Function .................................................. 267
Warning message.............................406
D
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
528Alphabetical index
GS450h_OM_OM30E99U_(U)
Eco drive mode ..................................... 256
EDR (Event data recorder) ...................10
Electric motor (traction motor) ......... 66
Electric Power Steering (EPS) ....... 267Function .................................................. 267
Warning light ........................................ 401
Warning message ............................ 406
Electronic key ........................................... 116 Battery-saving function .................... 135
If the electronic key does not operate properly.............................. 451
Replacing the battery ....................... 377
Emergency, in case of If a warning buzzer sounds.......... 400
If a warning light turns on.............. 400
If a warning message is displayed ....................................... 406
If the 12-volt battery is discharged .........................................453
If the electronic key does not operate properly ......... 451
If the hybrid system will not start........................................446
If the parking brake cannot be released........................449
If the shift lever cannot be shifted from P ........... 448
If you have a flat tire .......................... 437
If you think something is wrong.............................................. 399
If your vehicle becomes stuck ..... 462
If your vehicle has to be stopped in an emergency .............................393
If your vehicle needs to be towed .......................................394
If your vehicle overheats ................ 457 Emergency flashers ............................ 392
Energy monitor ...................................... 108
Engine
Accessory mode .................................. 181
Compartment ..................................... 349
Engine switch ....................................... 180
Hood........................................................ 347
How to start the hy brid system ... 180
Identification number ....................... 467
Ignition switch (power switch) ................................. 180
Overheating......................................... 457
Power switch ........................................ 180
Engine compartment cover............. 350
Engine coolant ...................................... 354 Capacity ................................................... 471
Checking ............................................... 354
Preparing and checking before winter .....................................274
Engine coolant temperature gauge ........................................................ 86
Engine oil ................................................... 351 Capacity ................................................. 469
Checking .................................................351
Oil level warning message ...........406
Oil pressure warning message...........................406
Preparing and checking before winter .....................................274
Engine oil maintenance data ........... 340
E
530Alphabetical index
GS450h_OM_OM30E99U_(U)
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ....................................... 148
Headlight cleaner..................... 205, 207
Headlights ................................................. 197 Adaptive Front-lighting System (AFS) .................................... 198
Headlight leveling warning message .......................... 406
Light switch .............................................197
Replacing light bulbs ....................... 388
Headlights aim ............................. 384, 517
Head-up display....................................... 101
Heated steering wheel ....................... 299
Heaters Air conditioning system ................. 285
Heated steering wheel ................... 300
Seat heaters ......................................... 300
Outside rear view mirrors .............. 291
High-voltage components .................. 70
Hood .......................................................... 347 Open ........................................................ 347
Warning message ............................ 406
Hooks Cargo hooks ......................................... 310
Coat hooks ............................................ 318
Luggage hook ...................................... 310
Retaining hooks (floor mat) ............. 26 Horn.............................................................. 151
Hybrid battery (traction battery)
Location .................................................... 70
Specification .........................................468
Hybrid battery (traction battery) air vents .....................................................70
Hybrid system............................................66 Emergency shut off system ............... 71
Energy monitor/consumption screen.......................107
EV drive mode .................................... 185
High voltage components ............... 70
Hybrid System Indicator ................... 90
Hybrid system precautions ............. 70
Hybrid vehicle driving tips .............272
If the hybrid system will not start ....................................... 446
Overheating......................................... 457
Power (ignition) switch.................... 180
Regenerative braking ..........................67
Starting the hybrid system.............. 180
Vehicle proximity notification system ......................................................67
Hybrid System Indicator ...................... 90
Hybrid transmission .............................. 187 If the shift lever cannot be shifted from P ............ 448
Paddle shift switches......................... 189
S mode..................................................... 190
H