trunk release Lexus IS350 2020 Owner's Manual / LEXUS 2020 IS300,IS350 OWNER'S MANUAL (OM53F29U)

17Pictorial index
IS350 AWD/IS350/IS300 AWD/IS300_U
Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 94
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 94
When the warning messages are displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 532
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 20 0
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2 00
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 307
Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 532
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 198
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 202
Headlights/parking lights/tail lights/daytime running lights . . . . . . . . . . . . P. 202
Windshield wiper and washer switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 210
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 210
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 48 4
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 548
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 514
Trunk opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 130
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 470
Tilt and telescopic steering control switch
*1 . . . . . . . . . . . . . . . . . . . . . . . P. 155
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 155
Driving position memory*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 147
Tilt and telescopic steering lock release lever*1 . . . . . . . . . . . . . . . . . . . P. 155
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 155
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 417
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 417
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 422
Audio system*2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 312
Audio system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 312
Hands-free system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 371
Trunk opener main switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 131
*1: If equipped
*2: For vehicles with a navigation system, refer to “NAVIGATION SYSTEM OWNER’S
MANUAL”.
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1283-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_U
■Switching the door unlock function
It is possible to set which doors the entry function unlock s using the wireless remote con-
trol.
Turn the engine switch off.
When the indicator light on the key surface is not on, press and hold , or
for approximately 5 seconds while pressing and holding .
The setting changes each time an operation is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds, and
repeat step .)
To prevent unintended triggering of the alarm, unlock the doors using the wireless
remote control and open and close a door once after the settings have been changed. (If
a door is not opened within 60 seconds af ter is pressed, the doors will be locked
again and the alarm will automatically be set.)
In a case that the alarm is triggered, immediately stop the alarm. ( P. 78)
1
2
2
Multi-information
displayUnlocking functionBeep
Holding the driver’s door handle
unlocks only the driver’s door.
Exterior: Beeps 3 times
Interior: Pings onceHolding the front passenger’s
door handle unlocks all the
doors.
Holding either front door handle
unlocks all the doors.Exterior: Beeps twice
Interior: Pings once

1293-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS350 AWD/IS350/IS300 AWD/IS300_U
■Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked.
Depending on the force of the impact or the type of accident, however, the system may
not operate.
■Using the mechanical key
The doors can also be locked and unlocked with the mechanical key. ( P. 572)
■Conditions affecting the oper ation of the smart access system with push-button start
or wireless remote control
 P. 137
■Customization
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features: P. 613)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant being thrown out of the
vehicle, resulting in death or serious injury.
●Ensure that all doors are properly closed and locked.
●Do not pull the inside handle of the doors while driving.
Be especially careful with the front doors, as the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door child-protector locks when children are seated in the rear seats.

1323-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_U
■Trunk light
The trunk light turns on when the trunk is opened.
■Function to prevent the trunk being lo cked with the electronic key inside
●When all doors are locked, closing the trunk li d with the electronic key left inside the
trunk will sound an alarm.
In this case, the trunk lid can be opened pr essing the trunk release button on the trunk
lid.
●If the spare electronic key is put in the trunk with all the doors locked, the key confine-
ment prevention function is activated so the trunk can be opened. In order to prevent
theft, take all electronic keys with you when leaving the vehicle.
●If the electronic key is put in the trunk with all the doors locked, the key may not be
detected depending on the location of the key and the surrounding radio wave condi-
tions. In this case, the key confinement prevention function cannot be activated, causing
the doors to lock when the trunk is closed. Make sure to check where the key is before
closing the trunk.
●The key confinement prevention function canno t be activated if any one of the doors is
unlocked. In this case, open the trunk using the trunk opener.
■Internal trunk release lever
■Using the mechanical key
The trunk can be also opened using the mechanical key. ( P. 572)
■If the smart access system with push-button start or the wireless remote control does
not operate properly
Use the mechanical key to unlock the trunk. ( P. 572)
Replace the key battery with a new one if it is depleted. ( P. 502)
■When leaving a key to the vehicle with a parking attendant
P. 120
■Customization
The trunk unlocking operation can be changed. (Customizable features:  P. 613)
The trunk lid can be open
ed by pulling the glow-
in-the-dark lever located on the inside of the
trunk lid to the side.
The lever will continue to glow for some time
after the trunk lid is closed.

1353-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS350 AWD/IS350/IS300 AWD/IS300_U
●Locks and unlocks the doors (P. 124)
●Opens the trunk ( P. 130)
●Starts the engine ( P. 186)
■Antenna location
■Effective range (areas within which the electronic key is detected)
Smart access system with push-button start
The following operations can be perfor med simply by carrying the electronic
key (including the card key) on your person, for example in your pocket. The
driver should always carry the electronic key.
Antennas outside the cabin
Antennas inside the cabin
Antenna inside the trunk
Antenna outside the trunk
When locking or unlocking the doors
The system can be operated when the elec-
tronic key is within about 2.3 ft. (0.7 m) of
an outside door handle. (Only the doors
detecting the key can be operated.)
When opening the trunk
The system can be operated when the elec-
tronic key is within about 2.3 ft. (0.7 m) of
the trunk release button.
When starting the engine or changing engine switch modes
The system can be operated when the electronic key is inside the vehicle.1
2
3
4

1453-3. Adjusting the seats
3
Operation of each component
IS350 AWD/IS350/IS300 AWD/IS300_U
Check that the luggage security sys-
tem lever in the trunk is in the unlock
position.
Pull the seatback lock release lever
and fold the seatback down.
To return the rear seatbacks to their
original position, lift them up until they
lock.
P. 131
Rear seats
The rear seatbacks can be folded down.
Folding down the rear seatbacks
1
2
Luggage security system

1463-3. Adjusting the seats
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.
■When folding the rear seatbacks down
●Do not fold the seatbacks down while driving.
●Stop the vehicle on level ground, set the parking brake and shift the shift lever to P.
●Do not allow anyone to sit on a folded seatback or in the trunk while driving.
●Do not allow children to enter the trunk.
■After returning the rear seatback to the upright position
●Check that the seat belts are not twisted or caught in the seatback.
●Make sure that the seatback is securely
locked in position by lightly pushing it back
and forth.
If the seatback is not securely locked, the red
marking will be visible on the seatback lock
release knob. Make sure that the red marking
is not visible.

2044-3. Operating the lights and wipers
IS350 AWD/IS350/IS300 AWD/IS300_U
■Daytime running light system
●The daytime running lights illuminate using th e same lights as the parking lights and illu-
minate brighter than the parking lights.
●To make your vehicle more visible to other drivers during daytime driving, the daytime
running lights turn on automatically when a ll of the following conditions are met. (The
daytime running lights are not designed for use at night.)
• The engine is running
• The parking brake is released
• The headlight switch is in the (Canada only), or
* position
*: When the surroundings are bright
The daytime running lights remain on after they illuminate, even if the parking brake is set
again.
●For the U.S.A.: Daytime running lights can be turned off by operating the switch.
●Compared to turning on the headlights, the daytime running light system offers greater
durability and consumes less electricity, so it can help improve fuel economy.
■Headlight control sensor
■Automatic light off system
When the light switch is in , or : Th e headlights and tail lights turn off 30 sec-
onds after the engine switch is turned to ACCESSORY mode or turned off and a door is
opened and all of the doors and trunk are cl osed. (The lights turn off immediately if
on the key is pressed twice af ter all the doors are closed.)
To turn the lights on again, turn the engine switch to IGNITION ON mode, or turn the
light switch off once and then back to or .
If any of the doors or trunk lid is left open , the lights automatically turn off after 20 min-
utes.
■Automatic headlight leveling system
The level of the headlights is automatically adjusted accordi ng to the number of passen-
gers and the loading condition of the vehicle to ensure that the headlights do not inter-
fere with other road users. The sensor may not function properly if an
object is placed on the sensor, or anything that
blocks the sensor is affixed to the windshield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.

637What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
( P. 132)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 186)
●Is the shift lever in P? ( P. 188)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 135)
●Is the steering wheel unlocked? ( P. 188)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 573)
●Is the battery discharged? ( P. 575)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( P. 196)
●It is locked automatically to prevent theft of the vehicle. ( P. 188)
The trunk lid is closed with the electronic key left inside
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from
P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped

638What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 162)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 188)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 527)
●The parking brake indicator is on
Is the parking brake released? ( P. 200)
Depending on the situation, other types of warning buzzer may also sound.
( P. 525, 532)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 78)
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds