engine LEXUS IS300 2023 User Guide

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IS500_IS350_IS300_QG_U
U.S.A.
Canada
1 The side marker, parking, tail,
license plate, inst rument panel lights,
and daytime running lights turn on.
2 The headlights and all lights listed
above (except daytime running lights)
turn on.
3 The headlights, parking lights,
daytime running lights and all the lights
listed above turn on and off automati-
cally. (When the engine switch is in
IGNITION ON mode.)
4 (U.S.A.) Off
1With the headlights on, push the lever
away from you to turn on the high
beams.
Pull the lever toward you to the center
position to turn the high beams off.
2Pull the lever toward you and release it
to flash the high beams once.
You can flash the high beams with the
headlights on or off.
Headlights
A
B
Turning on the high beam headlights

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IS500_IS350_IS300_QG_U
7 Washer/wiper dual operation
Pulling the lever operates the wipers
and washer.
The wipers will automatically operate a
couple of times after the washer
squirts.
Vehicles with headlight cleaners:
When the engine switch is in IGNI-
TION ON mode and the headlights
are on, if the lever is pulled, the head-
light cleaners will operate once. After
this, the headlight cl eaners will operate
every 5th time the lever is pulled.
 Rain-sensing windshield wipers
1 (U.S.A.) or (Canada)
Move the lever up by 2 levels
2 Move the lever up by 1 level
3 (U.S.A.) or (Canada)
Move the lever down by 1 level
4 (U.S.A.) or (Canada)
Move the lever down by 2 levels
5 AUTO mode on/off switch
With AUTO mode selected, the wipers
will operate automatically when the
sensor detects falling rain. The system
automatically adjusts wiper timing in
accordance with rain volume and vehi-
cle speed.
The AUTO mode indicator will turn
on when AUTO mode is selected.
A

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IS500_IS350_IS300_QG_U
8 Washer/wiper dual operation
Pulling the lever op erates the wipers
and washer.
The wipers will automatically operate a
couple of times after the washer
squirts.
Vehicles with headlight cleaners:
When the engine switch is in IGNI-
TION ON mode and the headlights
are on, if the lever is pulled, the head-
light cleaners will operate once. After
this, the headlight cl eaners will operate
every 5th time the lever is pulled.

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IS500_IS350_IS300_QG_U
Vehicles without Adaptive Variable Suspension System
Except F SPORT models
F SPORT models
1Normal mode
Provides an optimal balance of fuel
economy, quietness, and dynamic per-
formance. Suitable for city driving.
Press the switch to change the driving
mode to normal mode when Eco drive
mode or sport mode is selected.
2Eco drive mode
Helps the driver accelerate in an eco-
friendly manner and improve fuel
economy through moderate throttle
characteristics and by controlling the
operation of the ai r conditioning sys-
tem (heating/cooling).
When not in Eco drive mode, if the
driving mode select switch is turned to
the left, the Eco drive mode indicator
will come on.
3Sport mode
Controls the transmission and engine to provide quick, powerful acceleration. This
mode also changes the steering feel, making it suitable for when agile driving response
is desired, such as when driv ing on roads with many curves.
When not in sport mode, if the driving mode select switch is turned to the right, the
“SPORT” indicator will come on.
Driving Mode Select Switch
The driving modes can be select ed to suit driving condition.
A
B

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IS500_IS350_IS300_QG_U
2Eco drive mode
Helps the driver accelerate in an eco-friendly ma nner and improve fuel economy
through moderate throttle characteristics an d by controlling the operation of the air
conditioning system (heating/cooling).
When not in Eco drive mode, if the driving mode select switch is turned to the left, the
Eco drive mode indi cator will come on.
3Sport mode
• SPORT S mode
Controls the transmission and engine to provide quick, powerful acceleration. This
mode is suitable for when agile driving resp onse is desired, such as when driving on
roads with many curves.
When not in SPORT S mode, if the driving mode select switch is turned to the right, the
“SPORT S” indicator will come on.
• Sport S+ mode
Helps to ensure steering pe rformance and driving stability by simultaneously con-
trolling the steering and susp ension in addition to the transmission and engine. Suitable
for sportier driving.
When in SPORT S mode, if the driving mode se lect switch is turned to the right, the
“SPORT S+” indicator will come on.

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IS500_IS350_IS300_QG_U
Press the “MENU” button on the Remote Touch, then select on the menu screen.
■Trip information
If a screen other than “Trip Information” is displayed, select “Trip Information”.
Resetting the consumption data
Fuel consumption in the past 15 min-
utes
Current fuel consumption
Average vehicle speed since the
engine was started.
Elapsed time since the engine was
started.
Cruising range
■History
If a screen other than “History” is displayed, select “History”.
Best recorded fuel consumption
Latest fuel consumption
Previous fuel consumption record
Resetting the history data
Updating the latest fuel consumption
data
Fuel Consumption Information
Fuel consumption information can be displayed on the Center Display.
Vehicles with a navigation system (10.3-inch display): The fuel consumption information
can be displayed and operated on the side display. For details, refer to the “OWNER’S
MANUAL”.
Consumption
A
B
C
D
E
F
A
B
C
D
E

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●Close all the doors and windows, and turn the engine switch off.
● Confirm the type of fuel.
1With the doors unlocked, press the
center of the rear edge of the fuel filler
door.
Push until you hear a click and take
your hand away to slightly open the fuel
filler door. Then open the door fully by
hand.
2Turn the fuel tank cap slowly to remove
it and put it into the holder on the fuel
filler door.
Fuel Tank Cap
Before refueling the vehicle
Opening the fuel tank cap

86
What to do if...
IS500_IS350_IS300_QG_U
What to do if...
List of Warning/Indicator Lights
Immediately stop the vehicle in a safe place and contact your Lexus dealer. Continu-
ing to drive the vehicle may be dangerous.
(U.S.A.)Brake system
warning light
(red)
(Canada)
Immediately stop the vehicle in a safe place and contact your Lexus dealer.
Charging system warning light(U.S.A.)Malfunction
indicator lamp
Low engine oil pressure
warning light(Canada)
Have the vehicle inspected by your Lexus dealer immediately.
(yellow)
Brake system warning light(Blinking
and then continu-
ously on)Tire pressure warning light
SRS warning light
(flashes)
Intuitive parking assist OFF
indicator (if equipped)
(U.S.A.)
ABS warning light(flashes)
RCTA OFF indicator
(Canada)
(flashes)
PKSB OFF indicator
(if equipped)
Brake Override System
warning light/Drive-Start
Control warning light
(flashes or
illuminates)PCS warning light
(red or
yellow)
Electric power steering
system warning lightSlip indicator
(flashes)
Brake hold operated indicator
For further information, refe r to the “OWNER’S MANUAL”.

What to do if...
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IS500_IS350_IS300_QG_U
1Ensure that the shift lever is in P and
depress the brake pedal.
2Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in
customization sett ing, the engine
switch will turn to ACCESSORY
mode.
3Firmly depress the brake pedal and check th at is shown on the multi-information
display.
4Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.
Starting the engine
If the electronic key battery becomes deplet ed, a warning message will be shown on the
multi-information display. Replac e the battery with a new one. For instructions on replacing
the battery, refer to the “OWNER’S MANUAL”.
If you need further assistance , contact your Lexus dealer.

92
What to do if...
IS500_IS350_IS300_QG_U
Make sure that the correct operating procedur es have been followed.
Make sure that the brake pedal is firmly
depressed when attempting to start the
engine. ( P.15)
If the engine doesn’t start
Brake pedal
If the engine still does no t start, see the “OWNER’S MA NUAL” for more information or
contact your Lexus dealer.