Page 121 of 584
1213-3. Adjusting the seats
3
Operation of each component
IS350/250_U (OM53C50U)
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. 1 1 0
Rear seats (folding type)
: If equipped
The rear seatbacks can be folded down.
Folding down the rear seatbacks
1
2
Luggage security system
Page 122 of 584
1223-3. Adjusting the seats
IS350/250_U (OM53C50U)
CAUTION
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.
Page 126 of 584

1263-3. Adjusting the seats
IS350/250_U (OM53C50U)
Each electronic key (including a card key) can be registered to recall your pre-
ferred driving position.
■Registering procedure
Record your driving position to button “1”, “2” or “3” before performing the
following:
Carry only the key you want to register, and then close the driver’s door. If 2 or
more keys are in the vehicle, the drivin g position cannot be recorded properly.
Check that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Recall the driving position that you want to record.
While pressing the recalled but-
ton, press and hold the door lock
switch (either lock or unlock) until
the buzzer sounds.
If the button could not be registered,
the buzzer sounds continuously for
approximately 3 seconds.
■Recall procedure Carry the electronic key that has been registered to the driving position,
and then unlock and open the driver’s door using the smart access system
with push-button start system or wireless remote control.
The driving position will move to the reco rded position (not including the steering
wheel). However, the seat will move to a po sition slightly behind the recorded posi-
tion in order to make entering the vehicle easier.
If the driving position is in a position th at has already been recorded, the seat and
outside rear view mirrors will not move.
Turn the engine switch to ACCESSORY mode or IGNITION ON mode,
or fasten a seat belt.
The seat and steering wheel will move to the recorded position.
Memory recall function (driver’s side only)
1
2
3
4
1
2
Page 127 of 584

1273-3. Adjusting the seats
3
Operation of each component
IS350/250_U (OM53C50U)
■Cancelation procedure
Carry only the key you want to cancel and then close the driver’s door. If 2 or
more keys are in the vehicle, the driving position cannot be canceled properly.
Turn the engine switch to IGNITION ON mode.
While pressing the “SET” button, press and hold the door lock switch
(either lock or unlock) unt il the buzzer sounds twice.
If the button could not be canceled, the buzzer sounds continuously for approxi-
mately 3 seconds.
■Recalling the driving position using the memory recall function
●Different driving positions can be registered for each electronic key. Therefore, the
driving position that is recalled may be different depending on the key being carried.
●If a door other than the driver’s door is unlocked with the smart access system with
push-button start system, the driving position cannot be recalled. In this case, press the
driving position button which has been set.
■Customization
The unlock door settings of the memory recall function can be customized.
(Customizable features: P. 5 3 7 )
CAUTION
■Seat adjustment caution
Take care during seat adjustment so that th e seat does not strike the rear passenger or
squeeze your body against the steering wheel.
1
2
Page 128 of 584
1283-3. Adjusting the seats
IS350/250_U (OM53C50U)
◆Vertical adjustment Up
Pull the head restraints up.
Down
Push the head restraint down while
pressing the lock release button.
◆Horizontal adjustment (if equipped)
The position of the head restraint
can be adjusted forward in 4 stages.
If the head restraint is pulled forward
from the foremost position, it will return
to the rearmost position.
Head restraints
Head restraints are provided for all seats.
Front seats
Lock release button
1
2
Page 129 of 584
1293-3. Adjusting the seats
3
Operation of each component
IS350/250_U (OM53C50U)
Up
Pull the head restraints up.
Down
Push the head restraint down while
pressing the lock release button.
■Removing the head restraints
■Installing the head restraints
Front seats
Rear seats
Rear seats
Lock release button
1
2
Pull the head restraint up while pressing the lock
release button.
If the head restraint to uches the ceiling, making
the removal difficult, change the seat height or
angle.
Align the head restrain t with the installation
holes and push it down to the lock position.
Press and hold the lock release button when
lowering the head restraint.
Align the head restrain t with the installation
holes and push it down to the lowest lock posi-
tion while pressing the lock release button.
Lock release button
Lock release button
Lock release button
Page 130 of 584
1303-3. Adjusting the seats
IS350/250_U (OM53C50U)
■Adjusting the height of the head restraints
■Adjusting the rear seat head restraint
Always raise the head restraint one level from the stowed position when using. Make sure that the head restraints are adjusted
so that the center of the head restraint is closest
to the top of your ears.
CAUTION
■Head restraint precautions
Observe the following precautions regarding the head restraints. Failure to do so may
result in death or serious injury.
●Use the head restraints designed for each respective seat.
●Adjust the head restraints to the correct position at all times.
●After adjusting the head restraints, push down on them and make sure they are
locked in position.
●Do not drive with the head restraints removed.
Page 132 of 584

1323-4. Adjusting the steering wheel and mirrors
IS350/250_U (OM53C50U)
To sound the horn, press on or close to
the mark.
■The steering wheel can be adjusted when (power type)
The engine switch is in ACCESSORY or IGNITION ON mode
*.
*: If the driver’s seat belt is fastened, the steering wheel can be adjusted regardless of
engine switch mode.
■Automatic adjustment of the steering position (if equipped)
A desired steering position can be entered to memory and recalled automatically by the
driving position memory system. ( P. 1 2 3 )
■Power easy access system (if equipped)
The steering wheel and driver’s seat move in accordance with engine switch mode and
the driver’s seat belt condition. ( P. 1 2 3 )
Horn
CAUTION
■Caution while driving
Do not adjust the steering wheel while driving.
Doing so may cause the driver to mishandle the vehicle and cause an accident, result-
ing in death or serious injury.
■After adjusting the steering wheel (manual type)
Make sure that the steering wheel is securely locked.
Otherwise, the steering wheel may move suddenly, possibly causing an accident, and
resulting in death or serious injury. Also, the horn may not sound if the steering wheel is
not securely locked.