Page 22 of 648

22Pictorial index
IS350/300/200t_U (OM53D76U)
■Interior
SRS airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 36
Floor mats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 26
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 130
Head restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 139
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 30
Console box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 416
Inside lock buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 11 3
Cup holders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 417
Assist grips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 4251
2
3
4
5
6
7
8
9
Page 57 of 648
571-1. For safe use
1
For safety and security
IS350/300/200t_U (OM53D76U)
Child restraint LATCH anchors
LATCH anchors are provided for the
outboard rear seats, behind the anchor
covers. (Buttons displaying the location
of the anchors are attached to the
seats.)
Seat belts equipped with a child
restraint locking mechanism (ALR/
ELR belts except driver’s seat belt)
(→P. 32)
Anchor brackets (for top tether strap)
An anchor bracket is provided for each
rear seat.
Installing child restraints
Follow the child restraint system manu facturer’s instructions. Firmly secure
child restraints to the seat s using the LATCH anchors or a seat belt. Attach the
top tether strap when installing a child restraint.
The lap/shoulder belt can be used if yo ur child restraint system is not compati-
ble with the LATCH (Lower Anchor s and Tethers for Children) system.
Page 108 of 648

1083-1. Key information
IS350/300/200t_U (OM53D76U)
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside the card key should be used only if a problem
arises, such as when the card key does not operate properly.
●If it is difficult to take out the mechanical key, push down the lock release button using a
pen tip etc. If it is still difficult to pull it out, use a coin etc.
■When required to leave the vehicle’s key with a parking attendant
Set the luggage security system ( →P. 118) on and lock the glove box ( →P. 416) as cir-
cumstances demand.
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only.
■If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle.
■When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons on the electronic key while inside the airc raft cabin. If you are carrying an electronic
key in your bag etc., ensure that the buttons are not likely to be pressed accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft.
●To store the mechanical key in the card key,
insert it while pressing the lock release button.
●If the battery cover is not installed and the bat-
tery falls out or if the battery was removed
because the key got wet, reinstall the battery
with the positive terminal facing the Lexus
emblem.
Page 113 of 648
1133-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS350/300/200t_U (OM53D76U)
◆Door lock switchesLocks all the doors
Unlocks all the doors
◆Inside lock buttonsLocks the door
Unlocks the door
The front doors can be opened by
pulling the inside handle even if the
lock buttons are in the lock position.
Move the inside lock button to the lock position.
Close the door.
The door cannot be locked if the engine switch is in ACCESSORY or IGNITION
ON mode, or the electronic key is left inside the vehicle. However, the key may not be
detected correctly and the door may be locked.
Unlocking and locking the doors from the inside
1
2
1
2
Locking the doors from the outside without a key
1
2
Page 115 of 648

1153-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS350/300/200t_U (OM53D76U)
■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. 70)
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
Page 116 of 648

1163-2. Opening, closing and locking the doors and trunk
IS350/300/200t_U (OM53D76U)
■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. 559)
■Conditions affecting the oper ation of the smart access system with push-button start
or wireless remote control
→ P. 124
■Customization
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features: →P. 602)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door open ing 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.
Page 123 of 648

1233-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS350/300/200t_U (OM53D76U)
■Battery-saving function
The battery-saving function will 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.
■Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from re ceiving radio waves.
Press twice while pressing and holding . Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the smart
access system with push -button start cannot be
used. To cancel the function, press any of the
electronic key buttons.
Page 135 of 648

1353-3. Adjusting the seats
3
Operation of each component
IS350/300/200t_U (OM53D76U)
Your preferred driving position (the position of the driver’s seat, steering wheel
and outside rear view mirrors) can be recorded and recalled by pressing a but-
ton.
Three different driving positions can be recorded into memory.
■Recording procedure
Check that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Adjust the driver’s seat, steering wheel, and outside rear view mirrors to the
desired positions.
While pressing the “SET” button,
or within 3 seconds after the
“SET” button is pressed, press
button “1”, “2” or “3” until the
buzzer sounds.
If the selected button has already
been preset, the previously recorded
position will be overwritten.
■Recall procedureCheck that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Press one of the buttons for the
driving position you want to recall
until the buzzer sounds.
Driving position memory
1
2
3
4
1
2
3