fuel consumption Lexus IS350 2021 Owner's Manual / LEXUS 2021 IS 300, IS 350 OWNER'S MANUAL (OM53E98U)

2TABLE OF CONTENTS
For your information ......................................5
Reading this manual ....................................... 9
How to search ............................................... 10
Pictorial index .................................................. 11
1-1. For safe use Before driving .................................... 22
For safe driving.................................. 23
Seat belts ............................................. 24
SRS airbags ....................................... 28
Front passenger occupant classifi- cation system ................................. 36
Exhaust gas precautions .............. 40
1-2. Child safety Riding with children.......................... 41
Child restraint systems ................... 41
1-3. Lexus Enform Lexus Enform Safety Connect .. 54
1-4. Theft deterrent system Engine immobilizer system ......... 60
Alarm..................................................... 62
Theft prevention labels ................. 63
2-1. Instrument cluster Warning lights and indicators .... 66
Gauges and meters ......................... 71
Multi-information display............. 76
Fuel consumption information ... 833-1. Key information
Keys ...................................................... 88
3-2. Opening, closing and locking the doors and trunk
Doors .................................................... 92
Trunk ..................................................... 96
Smart access system with push-but- ton start ............................................. 99
3-3. Adjusting the seats Front seats........................................ 106
Rear seats......................................... 107
Driving position memory ........... 108
Head restraints ................................. 111
3-4. Adjusting the steering wheel and mirrors
Steering wheel ................................. 113
Inside rear view mirror ................. 114
Outside rear view mirrors........... 116
3-5. Opening, closing the windows and moon roof
Power windows .............................. 118
Moon roof ........................................ 120
4-1. Before driving Driving the vehicle......................... 124
Cargo and luggage...................... 130
Vehicle load limits.......................... 132
Trailer towing................................... 132
Dinghy towing ................................ 133
4-2. Driving procedures Engine (ignitio n) switch ............... 134
1For safety and security
2Vehicle status information and
indicators
3Before driving
4Driving

65
2
2
Vehicle status information and indicators
Vehicle status informationand indicators
.2-1. Instrument cluster
Warning lights and indicators........................................................... 66
Gauges and meters ...................... 71
Multi-information display.......... 76
Fuel consumption information ........................................................... 83

792-1. Instrument cluster
2
Vehicle status information and indicators
Boost gauge/engine oil tempera-
ture gauge/engine oil pressure
gauge (if equipped)
 G-force
 Gear Position
 Tire pressure ( P.305)
 Display off
■Drive information 1/Drive infor-
mation 2/Drive information 3
Displays drive information such as the
following:
Use the displayed values as a reference
only.
 Drive information 1
• Current fuel consumption
• Average fuel economy (after reset)
Drive information 2
• Distance (driving range)
• Average vehicle speed (after reset)
Drive information 3*
• Average fuel economy (after refuel)
• Elapsed time (after start)
*:Except F SPORT models
Displayed items (listed below) can be
changed on . ( P.82)
 Current fuel consumption
Bar type: Displays instantaneous current
fuel consumption
Average fuel economy
After reset: Displays average fuel con-
sumption since the display was reset
*1
After start: Displays average fuel con-
sumption since engine start
After refuel: Displays average fuel con- sumption since refuel

Average vehicle speed
After reset: Displays average vehicle
speed since the display was reset
*1
After start: Displays average vehicle speed
since engine start
Elapsed time
After reset: Displays elapsed time since the
display was reset
*1
After start: Displays elapsed time since
engine start
 Distance
Driving range: Displays driving range with
remaining fuel
*2, 3
After start: Displays the distance driven
since engine start
 Other
Blank: No item
*1: To reset, display the desired item and
press and hold of the meter con-
trol switch.
*2: This distance is computed based on your average fuel consumption. As a
result, the actual distance that can be
driven may differ from that displayed.
*3: When only a small amount of fuel is added to the tank, the display may not
be updated.
When refueling, turn the engine switch
off. If the vehicle is refueled without
turning the engine switch off, the display
may not be updated.

832-1. Instrument cluster
2
Vehicle status information and indicators
Center Display
“MENU” button
Touchpad
■Trip information
Press the “MENU” button on the Remote Touch, then select on the
menu screen.
If a screen other than “Trip Information”
is displayed, select
“Trip Information”.
This system can also be operated by
the touch screen.
Resetting the consumption data
Fuel consumption in the past 15
minutes
Current fuel consumption
Average vehicle speed since the
engine was started.
Elapsed time since the engine was
started.
Cruising range
Average fuel consumption for the past
15 minutes is divided by color into past
averages and averages attained since
the engine switch was last turned to
IGNITION ON mode. Use the dis-
played average fuel consumption as a
reference.
The image is an example only, and may
vary slightly from actual conditions.
■History
Press the “MENU” button on the
Remote Touch, then select on the
Fuel consumption informa-
tion
Fuel consumption information can
be displayed on the Center Display.
Vehicles with a navigation system
(10.3-inch display): The fuel con-
sumption information can be dis-
played and operated on the side
display.
System components
Consumption
A
B
C
A
B
C
D
E
F

842-1. Instrument cluster
menu screen.
If a screen other than “History” is dis-
played, select “History”.
This system can also be operated by
the touch screen.Best recorded fuel consumption
Latest fuel consumption
Previous fuel consumption record
Resetting the history data
Updating the latest fuel consump-
tion data
The average fuel consumption history
is divided by color into past averages
and the average fuel consumption
since the last updated. Use the dis-
played average fuel consumption as a
reference.
The image is an example only, and may
vary slightly from actual conditions.
■Updating the history data
Update the latest fuel consumption by
selecting “Updat e” to measure the current
fuel consumption again.
■Resetting the data
The fuel consumption data can be deleted
by selecting “Clear”.
■Cruising range
Displays the estimated maximum distance
that can be driven with the quantity of fuel remaining.
This distance is computed based on your
average fuel consumption.
As a result, the actual distance that can be
driven may differ from that displayed.
Vehicle information can be displayed
on the side display (
P.250), then
select or to select the desired
screen.
The image is an example only, and may
vary slightly from actual conditions.
■Trip information (type A)
Displays the average fuel consumption
for the past 10 minutes in 1 minute
intervals, as well as the cruising range.
■Trip information (type B)
Displays the cruising range, average
fuel consumption and the amount of
time elapsed since the engine was
started.
A
B
C
D
E
Using the side display (vehicles
with a navigation system
[10.3-inch display])

852-1. Instrument cluster
2
Vehicle status information and indicators
■History
Displays the average fuel consumption
and highest fuel consumption.

2515-1. Remote Touch/Display
5
Interior features
*1: Refer to “NAVIGATION AND MULTI-MEDIA SYSTEM OWNER’S MAN-
UAL”.*2: This function is not available on some models.
■Split-screen display (vehicles with a 10.3-inch display)
Different information can be displayed on the left and right sides of the screen. For
example, air conditioning system screen can be displayed and operated while the
fuel consumption information screen is be ing displayed. The large screen on the
left of the display is called the main display, and the small screen to the right is
called the side display.
■Main display (vehicles with a
10.3-inch display)
For details about the functions and
operation of the main display, refer to
the respective section and “NAVIGA-
TION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
■Side display (vehicles with a
10.3-inch display)
The following functions can be dis-
played and operated on the side dis-
play.
Select or to display the desired
screen. Navigation system
*
Audio*
Vehicle information (
P.83)
Air conditioning system ( P.253)
Show/hide the side display
*
*: Refer to “NAVIGATION AND MULTI- MEDIA SYSTEM OWNER’S MAN-
UAL”.
A
B
C
D
E

2555-2. Using the air conditioning system and defogger
5
Interior features
■Defogging the windshield
Defoggers are used to defog the wind-
shield and front side windows.
Press the windshield defogger switch.
Set the outside/recirc ulated air mode but-
ton to outside air mode if the recirculated
air mode is used. (It may switch automati-
cally.)
To defog the windshield and the side win-
dows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press the
windshield defogger switch again when the
windshield is defogged.
When the windshield defogger switch is
on, the indicator illuminates on the wind-
shield defogger switch.
■Defogging the rear window and
outside rear view mirrors
Defoggers are used to defog the rear
window, and to remove raindrops, dew
and frost from the outside rear view
mirrors.
Press the rear window and outside rear
view mirror defoggers switch.
The defoggers will automatically turn off
after a period of time.
When the rear window and outside rear
view mirror defoggers switch is on, the
indicator illuminates on the rear window
and outside rear view mirror defoggers
switch.
■When the outside temperature exceeds
75°F (24°C) and the air conditioning
system is on
●In order to reduce the air conditioning
power consumption, the air conditioning
system may switch to recirculated air
mode automatically. This may also
reduce fuel consumption.
●Recirculated air mode is selected as a
default mode when the engine switch is
turned to IGNITION ON mode.
●It is possible to switch to outside air mode
at any time by pressing the outside/recir-
culated air mode switch.
■Fogging up of the windows
The windows will easily fog up when the
humidity in the vehicle is high. Turning A/C
switch (“A/C”) on will dehumidify the air
from the outlets and defog the windshield
effectively.
●If you turn A/C swit ch (“A/C”) off, the
windows may fog up more easily.
●The windows may fog up if the recircu-
lated air mode is used.
■When driving on dusty roads
Close all windows. If dust thrown up by the
vehicle is still drawn into the vehicle after
closing the windows, it is recommended
that the air intake mode be set to outside air
mode and the fan speed to any setting
except off.
■Outside/recirculated air mode
●Setting to the recirculated air mode tem-
porarily is recommended in preventing
dirty air from entering the vehicle interior
and helping to cool the vehicle when the
outside air temperature is high.
●Outside/recirculated air mode may auto-
matically switch depending on the tem-
perature setting or the inside
temperature.
■Registering air conditioning settings to
electronic keys (vehicles with driving
position memory)
●Unlocking the vehicle using an electronic
key and turning the engine switch to
IGNITION ON mode will recall that
key’s registered air conditioning settings.
●When the engine switch is turned off, the
current air conditioning settings will auto-
matically be registered to the electronic
key that was used to unlock the vehicle.
●The system may not operate correctly if
more than one electr onic key is in the
vicinity or if the smart access system with
push-button start is used to unlock a pas-

422Alphabetical Index
BuzzerHands off steering wheel warning (LTA).......................................................................... 188
C
Card key ............................................................ 88
Care Exterior ...........................................................280
Interior ............................................................. 283
Seat belts........................................................ 283
Wheels and wheel ornaments............280
Cargo capacity...............................................132
Cargo net ....................................................... 268
Center Display ............................................. 250
Chains .............................................................. 244
Child restraint system Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 45
Front passenger occupant classification system ............................................................. 36
Points to remember ...................................... 41
Riding with children ....................................... 41
Types of child restraint system installation method ............................................................42
Using an anchor bracket ............................ 51
Child safety Airbag precautions...................................... 33
Battery precautions .................................. 364
Child restraint system..................................42
Heated steering wheel and seat heater precautions.................................................. 261
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 122
Power window lock switch...................... 119
Power window precautions .................... 119
Rear door child-protectors ..................... 94
Removed electronic key battery precau- tions ................................................................. 317
Seat belt extender precautions ............. 25
Seat belt precautions .................................... 41
Trunk precautions ........................................ 96 Child-protectors............................................. 94
Cleaning
Exterior........................................................... 280
Interior .............................................................283
Radar sensor ................................................. 164
Seat belts ........................................................283
Wheels and wheel ornaments ........... 280
Clock ..................................................71, 72, 270
Coat hooks..................................................... 270
Condenser .....................................................300
Console box ...................................................267
Consumption screen .................................... 83
Cooling system............................................. 298 Engine overheating.................................. 365
Cruise control Dynamic radar cruise control with full-speed range ........................................192
Cup holders ....................................................267
Current fuel consumption ...........................79
Curtain shield airbags .................................. 28
Customizable features .............................. 394
D
Daytime running light system ...................149
Defogger Outside rear view mirrors.....................255
Rear window ................................................255
Windshield ....................................................255
Differential Front differential oil............. ....................... 377
Rear differential oil......... ..................... ....... 377
Dimensions .................................................... 372
Dinghy towing.................................................133
Display Center Display ........................................... 250
Dynamic radar cruise control with full-speed range ........................................192
Intuitive parking assist ............................... 210
LTA (Lane Tracing Assist) ..................... 185
Multi-information display .......................... 76
RCTA.................................................................216
Warning message .....................................346

424Alphabetical Index
Hood................................................................ 293
How to start the engine............................134
Identification number ............................... 373
If the engine will not start ....................... 357
If your vehicle has to be stopped in an
emergency ................................................ 328
Ignition switch (engine switch) ............. 134
Overheating.................................................365
Tachometer ............................................... 71, 72
Engine coolant Capacity ......................................................... 376
Checking .......................................................298
Preparing and checking before winter......................................................................... 243
Engine coolant temperature gauge . 71, 72
Engine immobilizer system ........................ 60
Engine oil Capacity ......................................................... 374
Checking ....................................................... 296
Preparing and checking before winter......................................................................... 243
Warning light ...............................................338
Engine oil maintenance data .................. 298
Engine oil pressure gauge .......................... 80
Engine oil temperature gauge .................. 80
Engine switch ..................................................134 Auto power off function ...........................136
Changing the engine switch modes..136
If your vehicle has to be stopped in an
emergency ................................................ 328
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 238
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 238
EPS (Electric Power Steering) .............. 238 Warning light ...............................................340
Event data recorder (EDR) ............................7
F
First-aid kit storage belt ............................ 268
Flat tire Tire pressure warning system ............ 305 Vehicles with a spare tire.......................349
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 377
Brake ................................................................378
Washer ...........................................................302
Footwell lights ............................................... 263 Wattage ........................................................... 381
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment ..................................................... 106
Cleaning .........................................................283
Correct driving posture ............................ 23
Driving position memory ........................ 108
Head restraints................................................. 111
Memory recall function............................ 109
Power easy access system .................... 108
Seat heaters ....................................................261
Seat position memory ..............................108
Seat ventilators ..............................................261
Front side marker light Light switch .................................................... 149
Replacing light bulbs ................................ 322
Front turn signal lights Replacing light bulbs .................... 322, 323
Turn signal lever ...........................................142
Wattage ........................................................... 381
Fuel Capacity ......................................................... 374
Fuel gauge ..................................................71, 72
Fuel pump shut off system.....................336
Information ....................................................382
Refueling............................................................ 161
Type .................................................................. 374
Warning light .............................................. 340
Fuel consumption Average fuel economy .............................. 79
Current fuel consumption ........................ 79
Fuel filler door If the fuel filler do or cannot be opened
......................................................................... 359