Page 536 of 628

5228-2. Steps to take in an emergency
IS300h_EE(OM53B95E)
Indicates a malfunction in:
• The automatic headlight leveling system; or
• The Automatic High Beam system (if equipped)
• The LED headlight system (if equipped)
A buzzer also sounds.
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Indicates that the accelerator and brake pedal are
being depressed simultaneously
Release the accelerator or brake pedal.
Indicates that the cooling performance of the hybrid
battery (traction battery) has dropped
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Indicates that the washer fluid level is low
Add washer fluid.
Indicates that remaining fuel is approximately 10 L
(2.6 gal., 2.2 Imp. gal.) or less
Refuel the vehicle.
Indicates that the TRC (Traction Control) system
has been deactivated
Turn the TRC on. (P. 295)
(If equipped)
Indicates that all maintenance is required to corre-
spond to the driven distance on the maintenance
schedule
*1.
Comes on approximately 10000 km (6214 miles)
after the maintenance data has been reset.
(The indicator will not work properly unless the
maintenance data has been reset.)
Perform the necessary maintenance. Please reset
the maintenance data after the maintenance is
performed (P. 442)
Warning messageDetails/Actions
(Flashes)
Page 539 of 628

5258-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
Warning messages
The warning message illustrations used are intended as examples, and may differ
from the image that is actually displayed on the multi-information display.
Warning message in radar cruise mode (if equipped)
In the following situations, 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 LDA (Lane Departure Alert) lane departure warning function (if equipped)
In the following situations, 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 LDA system
functions
When the lane lines cannot be recognized
After changing the engine oil (if equipped)
Make sure to reset the oil change system. (P. 442)
Warning buzzer
P. 512
Page 592 of 628
577
9 9-2. Customization
Vehicle specifications
IS300h_EE(OM53B95E)
*1: For details about each function: P. 1 1 8
*2: The default setting varies according to country.
*3:Except F SPORT models
*4: Some status screens cannot be registered (indicated on multi-information dis-
play).
Drive information 1
Current fuel
economy
*5—OO—Average fuel
economy
(after reset)
Drive information 2
Distance
(range)
*5—OO—Average
speed
(after reset)
Pop-up displayONOFF—OO—
Accent color*3BlueRedOOO—
Tachometer settingsON (Self-
changing)
Hybrid System
Indicator
(Always)
—OO—
Tachometer
(Always)
Needle*6BlueRed—OO—White
Speed indicator*6OFF
50 to 200 km/h
(30 to 125
mph)
*7
—OO—50 to 160 km/h
(30 to 100
mph)
*7
REV indicator*64000 r/min
2000 to 6000
r/min
—OO—
OFF
REV peak*6ONOFF—OO—
Function*1Default set-
tingCustomized set-
ting1234
Page 593 of 628
5789-2. Customization
IS300h_EE(OM53B95E)
*5: 2 of the following items: current fuel consumption, average fuel economy
(after reset), average fuel economy (after refuel), average fuel economy (after
start), average vehicle speed (after reset), average vehicle speed (after start),
distance (driving range), distance (after start), elapsed time (after reset),
elapsed time (after start), blank.
*6: F SPORT models
*7: The customized setting varies according to country.
Page 624 of 628

608Alphabetical index
IS300h_EE(OM53B95E)
Sun shade
Rear ......................................422
Roof ......................................188
switch settings .....................118
Switches
ASC (Active Sound Control)225
Audio remote control
switches ..............................322
Automatic High Beam switch ....
229
BSM (Blind spot monitor)
switch .................................309
Cruise control
switch .........................245, 249
Door lock switches ...............139
Driving mode select switch ..290
Driving position memory
switches ..............................168
Emergency flashers switch ...498
EV drive mode switch ..........214
Fog light switch ....................233
Heated steering wheel
switch .................................409
Ignition switch ......................209
LDA (Lane Departure Alert)
switch .................................265
Lexus parking assist-sensor
switch .................................271
Light switch ..........................226
Meter control switches .........117
Moon roof switches ..............187Outside rear view mirror
switches ............................. 180
Paddle shift switches ........... 218
PCS OFF switch .................. 301
Power door lock switch ....... 139
Power switch........................ 209
Power window switches ...... 184
Rear sunshade switch........... 422
Rear window and outside rear
view mirror defoggers
switch ................................ 404
Seat heater switches ............. 410
Seat ventilator switches ....... 410
Snow mode switch ............... 217
Talk switch .......................... 378
Telephone switches.............. 378
Tilt and telescopic steering
control switch .................... 176
Tire pressure warning reset
switch ................................ 452
Trunk opener switch ............ 143
Trunk opener main switch ... 145
Vehicle-to-vehicle distance
button................................. 252
VSC OFF switch.................. 295
Window lock switch ............ 184
Windshield wiper de-icer
switch ................................ 405
Windshield wipers
and washer switch ............. 235
Page 625 of 628

609Alphabetical index
IS300h_EE(OM53B95E)
Tachometer ................................110
Tachometer settings ..................118
Tail lights ..................................226
Light switch ..........................226
Replacing light bulbs ............493
Talk switch ................................378
Telephone switches ...................378
Theft deterrent system
Alarm ......................................96
Double locking system ...........95
Immobilizer system ................90
Intrusion sensor and tilt sensor ...
99
Tire inflation pressure ...............466
Maintenance data ..................570
Tire inflation pressure display
function ..............................451
Warning light........................510
Tire pressure warning system....451
Function ................................451
Initializing ............................451
Installing tire pressure warning
valves and transmitters .......451
Registering ID codes ............452
Tire pressure warning reset
switch .................................452
Warning light........................510Tires .......................................... 450
Chains .................................. 312
Checking .............................. 450
Emergency tire puncture
repair kit ............................ 531
If you have a flat tire.... 531, 545
Inflation pressure ................. 570
Replacing ............................. 460
Rotating tires........................ 450
Size ...................................... 570
Snow tires ............................ 313
Tire inflation pressure display
function ............................. 451
Tire pressure warning system ....
451
Warning light ....................... 510
Tools ......................................... 460
Top strap ..................................... 75
Towing...................................... 500
Emergency towing ............... 500
Towing capacity .................. 562
Towing eyelet ...................... 501
Trailer towing ...................... 201
Traction battery (hybrid battery) 83
Traction Control (TRC) ............ 293
Traction motor (electric motor) .. 79
Trailer towing ........................... 201
T