Lexus HS250h 2011 Do-it-yourself maintenance / LEXUS 2011 HS250H (OM75037U) Repair Manual

61
1
1-3. Opening, closing and locking the doors
Before driving
Tr u n k
Luggage security systemTo protect luggage stored in the trunk against theft, do the following:
On
Off
Turn the main switch in the glove
box off to disable the trunk
opener.
The trunk lid cannot be opened
even with the wireless remote con-
trol or the entry function.
The trunk can be opened using the trun k opener, entry function or wireless
remote control.
■ Opening the trunk from inside the vehicle
Press the opener switch to
release the trunk lid.
■ Opening the trunk from outside the vehicle
Entry function
P. 4 5
Wireless remote control
P. 5 5

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1-3. Opening, closing and locking the doors
■Tr u n k h a n d l e
■Function to prevent the trunk being locked with the electronic key inside
●When all doors are being locked, closing the trunk lid with the electronic key left
inside the trunk will sound an alarm.
In this case, the trunk lid can be opened using the entry function.
●Even when the spare electronic key is pu t in the trunk with all the doors locked,
the key confinement prevention function can be activated so the trunk can be
opened. In order to prevent theft, take all electronic keys with you when leaving
the vehicle.
●Even when the electronic key is put in the trunk with all the doors are locked, the
key may not be detected depending on the places and the surrounding radio
wave conditions. 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 cannot 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. 5 4 0 )
Use the trunk handle when closing the trunk.
The trunk lid can be opened by pulling down
on the glow-in-the-dark lever located on the
inside of the trunk lid.
The lever will continue to glow for some time
after the trunk lid is closed.

63
1-3. Opening, closing and locking the doors
1
Before driving
■Which key to the vehicle is to leave with a parking attendant after disabling the
trunk opener main switch
P. 4 2
CAUTION
■Caution while driving
●Keep the trunk lid closed while driving.
If the trunk lid is left open, it may hit near-by objects while driving or luggage in
the trunk may be unexpectedly th rown out, causing an accident.
In addition, exhaust gases may enter th e vehicle, causing death or a serious
health hazard. Make sure to cl ose the trunk lid before driving.
●Before driving the vehicle, make sure that the trunk lid is fully closed. If the trunk
lid is not fully closed, it may open unexpe ctedly while driving, causing an accident.
●Never let anyone sit in the trunk. In the ev ent of sudden braking or a collision, they
are susceptible to death or serious injury.
■When children are in the vehicle
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not allow children to enter the trunk.
If a child is accidentally locked in the trunk, they could have heat exhaustion or
suffocate.
●Do not allow a child to open or close the trunk lid.
Doing so may cause the trunk lid to oper ate unexpectedly, or cause the child’s
hands, head, or neck to be caught by the closing trunk lid.

64
1-3. Opening, closing and locking the doors
CAUTION
■Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in serious injury.
●Remove any heavy loads, such as snow and ice, from the trunk lid before opening
it. Failure to do so may cause the trunk lid to fall closed again after it is opened.
●When opening or closing the trunk lid, thoroughly check to make sure the sur-
rounding area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the
trunk is about to open or close.
●Use caution when opening or closing the trunk lid in windy weather as it may
move abruptly in strong wind.
●Do not attach any accessories other than genuine Lexus parts to the trunk lid.
Such additional weight on the trunk lid may cause the lid to fall closed again after
it is opened.
●The trunk lid may fall if it is not opened
fully. It is more difficult to open or close
the trunk lid on an incline than on a level
surface, so beware of the trunk lid unex-
pectedly opening or closing by itself.
Make sure that the trunk lid is fully open
and secure before using the trunk.
●When closing the trunk lid, take extra
care to prevent your fingers etc. from
being caught.
●When closing the trunk lid, make sure to
press it lightly on its outer surface. If the
trunk handle is used to fully close the
trunk lid, it may result in hands or arms
being caught.

65
1
Before driving
1-4. Adjustable components (seats, mirrors, steering wheel)
Front seats
Seat position adjustment switch
Seatback angle adjustment switch
Seat cushion (front) angle adjustment switch
Vertical height adjustment switch
Lumbar support adjustment switch

66
1-4. Adjustable components (seats, mirrors, steering wheel)
Power easy access system (vehicles with driving position memory)
When the driver enters and exits the ve hicle, the driver’s seat and steer-
ing wheel will automatically perform the following operations:
Exiting the vehicle: When all of the
following actions have been per-
formed, the steering wheel will
move up and back to the point far-
thest away from the driver and the
seat will move backward (auto
away function):
• The “POWER” switch has beenturned off
• The driver seat belt has been unfastened
Entering the vehi cle: When either
of the following actions has been
performed, the steering wheel will
move toward the driver and seat
will move forward (auto return
function):
• The “POWER” switch has been
turned to ACCESSORY or ON
mode
• The driver seat belt has been fas-
tened

67
1-4. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
Active head restraintsWhen the occupant’s lower back
presses against the seatback dur-
ing a rear-end collision, the head
restraint moves slightly forward
and upward to help reduce the risk
of whiplash on the seat occupant.
■The auto away function for exiting the driver seat
If the seat is already close to the rearmost position, the auto away function may not
operate when the driver exits the vehicle.
■Active head restraints
Even small forces applied to the seatback may cause the head restraint to move.
Pushing up a locked head restraint forcibly may appear the head restraint inner
structure. These do not indicate problems.
■Customization
The distance that the driver’s seat move s backward during the auto away function
can be changed. (Customizable features P. 5 8 0 )
Inner
structure During
rear-end
collision

68
1-4. Adjustable components (seats, mirrors, steering wheel)
CAUTION
■Seat adjustment
To reduce the risk of sliding under the lap belt during a collision, do not recline the
seat more than necessary.
If the seat is too reclined, the lap belt may slide past the hips and apply restraint
forces directly to the abdomen, or yo ur 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 driving as the seat may unexpectedly move
and cause the driver to lose control of the vehicle.

69
1
1-4. Adjustable components (seats, mirrors, steering wheel)
Before driving
Driving position memory (driver’s seat)

: If equipped
Your preferred driving position (the po sition of the driver’s seat, steering
wheel and outside rear view mirrors) can be memorized and recalled with
the touch of a button. It is also possible to set this function to activate auto-
matically when the doors are unlocked.
Three different driving positions can be entered into memory.
■ Entering a position to memory
Check that the shift position is in P.
Turn the “POWER” switch to ON mode.
Adjust the driver’s seat, steer ing wheel and outside rear view
mirrors to the desired positions.
While pressing and holding the
“SET” button, or within 3 sec-
onds of pressing the “SET” but-
ton, press button 1, 2 or 3 until
the signal beeps.
If the selected button has
already been preset, the previ-
ously recorded position will be
overwritten.
■Recalling the memorized position
Check that the shift position is in P.
Turn the “POWER” switch to ON mode.
Press button 1, 2 or 3 until the
signal beeps to recall the
desired position.

70
1-4. Adjustable components (seats, mirrors, steering wheel)
Linking driving position memory with door unlock operation
Record your driving position to button 1, 2 or 3 before performing the fol-
lowing:
Carry only the key (including the card key) to which you want to link the
driving position. If 2 or more keys ar e in the vehicle, the driving position
cannot be linked properly.
Shift the shift position to P and close the driver’s door. Turn the
“POWER” switch to ON mode.
Press the desired button (1, 2 or 3)
to recall the position. Then, while
keep pressing the button, press the
driver’s door lock switches (either
lock or unlock) until the signal
beeps.
The driving position is recalled
when the driver’s door is unlocked
using the entry function or wireless
remote control and the driver’s
door is opened.