2015 Lexus IS250 engine

1183-2. Opening, closing and locking the doors and trunk
IS350/250_U (OM53C50U)
■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. 5 3 7 )
■To operate the system properly
●Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when op erating 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 not operate properly. (The alarm may go off
accidentally, or the door lock prevention function may not operate.)
●Do not leave the electronic key inside the luggage compartment.
The key confinement prevention function may 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 ob jects) and the radio waves in the surround-
ing area. ( →P. 111)
■If the smart access system with push-b utton start does not operate properly
●Locking and unlocking the doors and opening the trunk: Use the mechanical key.
(→ P. 4 9 9 )
●Starting the engine: →P. 5 0 0
■Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: →P. 5 3 7 )
■If the smart access system with push-button start has been deactivated in a customized
setting
●Locking and unlocking the doors and opening the trunk:
Use the wireless remote control or mechanical key. ( →P. 103, 109, 499)
●Starting the engine and changing engine switch modes: →P. 5 0 0
●Stopping the engine: →P. 1 5 9

120
IS350/250_U (OM53C50U)3-3. Adjusting the seats
■Power easy access system (if equipped)
The driver’s seat and steering wheel move in accordance with engine switch mode and
the driver’s seat belt condition. (
→P. 1 2 3 )
■When adjusting the seat
●Take care when adjusting the seat so that the head restraint does not touch the ceiling.
●Vehicles with folding type rear seats: When folding down a rear seatback, if it interferes
with a front seatback, adjust the front seat po sition so that the seats no longer interfere
with each other. However, if adjusting the front seat position causes the correct driving
posture to not be maintained, return the re ar seatback to its original position. (→P. 121)
Front seats
Adjustment procedure
Seat position adjustment
Seatback angle adjustment
Seat cushion (front) angle adjust-
ment Seat cushion (rear) angle adjust-
ment
Lumbar support adjustment (if
equipped)
CAUTION
■When adjusting the seat position
●Take care when adjusting the seat position to ensure that other passengers are not
injured by the moving seat.
●Do not put your hands under the seat or near the moving parts to avoid injury.
Fingers or hands may become jammed in the seat mechanism.
●Make sure to leave enough space around the feet so they do not get stuck.
■Seat adjustment
To reduce the risk of sliding under the lap be
lt during a collision, do not recline the seat
more than necessary.
If the seat is too reclined, th e lap belt may slide past the hips and apply restraint forces
directly to the abdomen, or your neck may contact the shoulder belt, increasing the risk
of death or serious injury in the event of an accident.
Adjustments should not be made while drivin g as the seat may unexpectedly move and
cause the driver to lose control of the vehicle.
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1233-3. Adjusting the seats
3
Operation of each component
IS350/250_U (OM53C50U)
The seat and steering wheel are automatically adjusted to allow the driver to
enter and exit the vehicle easily.
When all of the following have been
performed, the driver’s seat and steer-
ing wheel are automatically adjusted to
a position that allows driver to enter
and exit the vehicle easily.• The shift lever has been shifted to P.
• The engine switch has been turned off.
• The driver’s seat belt has been unfas- tened.
When any of the following has been performed, the driver’s seat and steering
wheel automatically return to their original positions. • The engine switch has been turned to ACCESSORY mode or IGNITION ON mode.
• The driver’s seat belt has been fastened.
■Operation of the power easy access system
When exiting the vehicle, the power easy access system may not operate if the seat is
already close to the rearmost position, etc.
■Customization
The seat movement amount settings of the power easy access system can be custom-
ized. (Customizable features: →P. 5 3 7 )
Driving position memory∗
∗
: If equipped
This feature automatically adjusts the driver’s seat, steering wheel and out-
side rear view mirrors to make entering and exiting the vehicle easier or to
suit your preferences.
Power easy access system

1243-3. Adjusting the seats
IS350/250_U (OM53C50U)
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
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4
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1253-3. Adjusting the seats
3
Operation of each component
IS350/250_U (OM53C50U)
■To stop the position recall operation part-way through
Perform any of the following operations:
●Press the “SET” button.
●Press button “1”, “2” or “3”.
●Operate any of the seat adjustment switches (only cancels seat position recall).
●Operate the tilt and telescopic steering control switch (only cancels steering wheel
position recall).
■Seat positions that can be memorized (→P. 1 2 0 )
The adjusted positions other th an the position adjusted by lumbar support switch can be
memorized.
■Operating the driving position memory after turning the engine switch off
Recorded seat positions can be activated up to 180 seconds after the driver’s door is
opened and another 60 seconds after it is closed again. Recorded steering wheel posi-
tion can be activated by pressing the engine switch.
■In order to correctly use the driving position memory function
If a seat position is already in the furthest possible position and the seat is operated in the
same direction, the recorded position may be slightly different when it is recalled.

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 driving 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 procedureCarry 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 recorded position (not including the steering
wheel). However, the seat will move to a position slightly behind the recorded posi-
tion in order to make entering the vehicle easier.
If the driving position is in a position that 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 steer ing wheel will move to the recorded position.
Memory recall function (driver’s side only)
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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) until 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 di fferent 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 the seat does not strike the rear passenger or
squeeze your body against the steering wheel.
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2

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 AC CESSORY 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 steer ing 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, th e horn may not sound if the steering wheel is
not securely locked.