alarm Lexus IS300 2020 / LEXUS 2020 IS300,IS350 (OM53F29U) User Guide

1363-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_U
■Alarms and warning messages
A combination of exterior and interior alar ms as well as warning messages shown on the
multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes-
sage on the multi-information display. ( P. 532)
When only an alarm sounds, circumstances and correction procedures are as follows.
■If a warning message is displayed indicating that there is a malfunction in the smart
access system with push-button start
 P. 532
■Battery-saving function
The battery-saving function w ill be activated in order to prevent the electronic key bat-
tery and the vehicle battery from being discharged while the vehicle is not in operation
for a long time.
●In the following situations, the smart acce ss system with push-button start may take
some time to unlock the doors.
• The electronic key has been left within appr oximately 6 ft. (2 m) of the outside of the
vehicle for 10 minutes or longer.
• The smart access system with push-button st art has not been used for 5 days or lon-
ger.
●If the smart access system with push-button start has not been used for 14 days or lon-
ger, the doors cannot be unlocked at any door except the driver’s door. In this case,
hold the driver’s door handle, or use the wi reless remote control or mechanical key, to
unlock the doors.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
seconds
An attempt was made to lock
the vehicle while a door was
open.Close all of the doors and
lock the doors again.
The trunk was closed while the
electronic key was still inside the
trunk and all the doors were
locked.Retrieve the electronic key
from the trunk and close
the trunk lid.
Interior alarm pings
repeatedly
The engine switch was turned to
ACCESSORY mode while the
driver’s door was open (The
driver’s door was opened when
the engine switch was in
ACCESSORY mode).
Turn the engine switch off
and close the driver’s door.
The engine switch was turned
off while the driver’s door was
open.
Close the driver’s door.

1383-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_U
■Note for the entry function
●Even when the electronic key is within the effective range (detection areas), the system
may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near the ground, or in a high place when the doors are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear
bumper center when the trunk is opened.
• The electronic key is on th e instrument panel, rear pack age tray or floor, or in the
door pockets or glove box when the engine is started or engine switch modes are
changed.
●Do not leave the electronic key on top of th e instrument panel or near the door pockets
when exiting the vehicle. Depending on the radio wave reception conditions, it may be
detected by the antenna outside the cabin an d the doors will become lockable from the
outside, possibly trapping the electronic key inside the vehicle.
●As long as the electronic key is within th e effective range, the doors may be locked or
unlocked by anyone. However, only the door s detecting the electronic key can be used
to unlock the vehicle.
●Even if the electronic key is not inside the vehicle, it may be possible to start the engine
if the electronic key is near the window.
●The doors may unlock or lock if a large amou nt of water splashes on the door handle,
such as in the rain or in a car wash, when th e electronic key is within the effective range.
(The doors will automatically be locked after approximately 30 seconds if the doors
are not opened and closed.)
●If the wireless remote control is used to lo ck the doors when the electronic key is near
the vehicle, there is a possibility that the d oor may not be unlocked by the entry func-
tion. (Use the wireless remote control to unlock the doors.)
●Touching the door lock or unlock sensor while wearing gloves may prevent lock or
unlock operation.
●When the lock operation is performed using the lock sensor, recognition signals will be
shown up to two consecutive times. After this, no recognition signals will be given.
●If the door handle becomes wet while the el ectronic key is within the effective range,
the door may lock and unlock repeatedly. In this case, follow the following correction
procedures to wash the vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle. (Take care to ensure that the key is not stolen.)
• Set the electronic key to battery-saving mode to disable the smart access system with push-button start. ( P. 137)
●If the electronic key is inside the vehicle and a door handle becomes wet during a car
wash, a message may be shown on the mult i-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc.
Clean the lock sensor and attempt to operate it again, or use the lock sensor on the
lower part of the door handle.
●A sudden handle operation or a handle operation immediately after entering the effec-
tive range may prevent the doors from bein g unlocked. Touch the door unlock sensor
and check that the doors are unlocked before pulling the door handle again.
●Unlocking the vehicle may take more time if another electronic key is within the effec-
tive range.

1393-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS350 AWD/IS350/IS300 AWD/IS300_U
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle.
●The smart access system with push-button start can be deactivated in advance.
(  P. 613)
■To operate the system properly
●Make sure to carry the electr onic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the
vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may no t operate properly. (The alarm may go off
accidentally, or the door lock prev ention function may not operate.)
●Do not leave the electronic key inside the luggage compartment.
The key confinement prevention function ma y not operate, depending on the location
of the key (close to a spare tire, the inside edge of the luggage compartment), condi-
tions (inside a metal bag, close to metallic objects) and the radio waves in the surround-
ing area. ( P. 132)
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and opening the trunk: Use the mechanical key.
( P. 572)
●Starting the engine: P. 573
■Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: P. 613)
■If the smart access system with push-button start has been deactivated in a customized
setting
●Locking and unlocking the d oors and opening the trunk:
Use the wireless remote cont rol or mechanical key. (P. 124, 130, 572)
●Starting the engine and changing engine switch modes: P. 573
●Stopping the engine: P. 186

5758-2. Steps to take in an emergency
8
When trouble arises
IS350 AWD/IS350/IS300 AWD/IS300_U
If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt
battery, you can jump start your vehicle by following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depe nding on the situa-
tion, the alarm may activate and doors
locked. (
P. 79)
Open the hood ( P. 470)
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus deal er or a qualified repair shop.
1
2

6169-2. Customization
IS350 AWD/IS350/IS300 AWD/IS300_U
■Smart access system with push-button start ( P. 124, 130, 135)
■Wireless remote control ( P. 118, 124, 130)
FunctionDefault settingCustomized setting
Smart access system with push-
button startOnOff—O
Smart door unlockingDriver’s doorAll the doorsOO
Number of consecutive door
lock operations2 timesAs many as desired—O
12
FunctionDefault settingCustomized setting
Wireless remote controlOnOff—O
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two steps
All doors unlocked in one stepOO
Trunk unlocking operationPress and hold (short)
One short press
—O
Push twice
Press and hold (long)
Off
Alarm (panic mode)OnOff—O
12

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

641Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Alarm ............................................................ 78
Anchor brackets ...................................... 57
Antennas (smart access system with push-button start) ..................... 135
Anti-lock Brake System (ABS)........ 301 Warning light ...................................... 525
Approach warning (dynamic radar cruise control) ........................ 255
Armrest .................................................... 439
ASC (Active Sound Control) .......... 201
Assist grip ..................................................441
Audio input................................................321
Audio system............................................312 Audio input..............................................321
AUX port/USB port..........................321
Bluetooth
® audio...............................370
CD player ..............................................344
iPod ............................................................ 351
MP3/WMA/AAC disc .................344
Optimal use ........................................... 331
Portable music player ..................... 359
Radio ....................................................... 338
Steering wheel audio switch ......... 318
USB memory ...................................... 355 Automatic headlight leveling
system .................................................... 204
Automatic High Beam ....................... 206
Automatic light control system .................................................... 202
Automatic transmission........................ 191 If the shift lever cannot be shifted from P ..............196
M mode ....................................................194
Paddle shift switches..........................193
AUX port .................................................. 321
Average fuel economy................................. 112, 113, 115
Average vehicle speed..........................112

656Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Tachometer ............................................... 89
Tail lights................................................... 202Light switch ...........................................202
Replacing light bulbs ........................... 511
Talk switch
*............................................ 382
Telephone switches
*.......................... 382
Theft deterrent system Alarm........................................................... 78
Engine immobilizer system.............. 76
Luggage security system .................. 131
Theft prevention labels ........................ 81
Tire inflation pressure ......................... 495 Maintenance data ............................. 595
Tire inflation pressure display function ............................................... 486
Warning light ....................................... 527
Tire information ...................................... 601 Glossary ................................................ 608
Size ........................................................... 604
Tire identification number............. 603
Uniform Tire Quality Grading.............................................. 606 Tire pressure warning system ......... 486
Initializing ............................................... 487
Installing tire pressure warning valves and transmitters................486
Registering ID codes ....................... 487
Tire pressure warning reset switch ................................................... 487
Warning light ....................................... 527
Tires ........................................................... 485 Chains ..................................................... 307
Checking ...............................................485
If you have a flat tire ..........................559
Inflation pressure................................595
Information............................................. 601
Replacing ...............................................559
Rotating tires ........................................486
Size ...........................................................595
Snow tires ............................................. 308
Spare tire................................................559
Tire inflation pressure display function................................................486
Tire pressure warning system .....486
Warning light ....................................... 527
T