2010 Lexus HS250h lock

58
1-3. Opening, closing and locking the doors
Locking the front doors from the outside without a key
Move the inside lock button to the lock position.
Close the door.
The door cannot be locked if the “POWER” switch is in ACCESSORY or
ON mode, or the electr
onic key is left inside the vehicle.
The key may not be detected correctly and the door may be locked.
Rear door child-protector lock
The door cannot be opened from
inside the vehicle when the lock is
set.
These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear
doors.
■Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked.
Dep
ending 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.
5 3 3 )
■If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.
■Customization
Settings (e.g. unlocking function using a key) can be changed. 
(Customizable features P. 5 7 2 )

59
1-3. Opening, closing and locking the doors
1
Before driving
CAUTION
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant falling out, resulting
in death or serious injury.
●Always use a seat belt.
●Always lock all the doors.
●Ensure that all doors are properly closed.
●Do not pull the inside handle of the doors while driving. 
The doors may be opened and the passengers are thrown out of the vehicle and it
may result in serious injury or death.
Be especially careful for 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.

60
1-3. Opening, closing and locking the doors
Tr u n k
Luggage security system
To protect luggage stored in the trunk against theft, do the following:
On
Off
Turn the main switch in the glove
bo
x 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
r
elease the trunk lid.
■ Opening the trunk fr
om outside the vehicle
Entry function
P. 4 4
Wireless remote control
P. 54

61
1-3. Opening, closing and locking the doors
1
Before driving
■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 3 3 )
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.

62
1-3. Opening, closing and locking the doors
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 the 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 overheat or suffocate.
●Do not allow a child to open or close the trunk lid. 
Doing so may cause the trunk lid to operate unexpectedly, or cause the child’s
hands, head, or neck to be caught by the closing trunk lid.

63
1-3. Opening, closing and locking the doors
1
Before driving
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 an d 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.

66
1-4. Adjustable components (seats, mirrors, steering wheel)
Active head restraints
When the occupant’s lower back
presses against the seatback dur -
ing a rear-end collision, the head
r

estraint 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
oper
ate when the driver exits the vehicle.
■Active head restraints
Even small forces applied to the seatback may cause the head restraint to move.
P
ushing 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 moves backw
ard during the auto away function
can be changed. (Customizable features P. 5 7 2 )
Inner 
structure During
rear-end
collision

68
1-4. Adjustable components (seats, mirrors, steering wheel)
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, steering wheel and outside r
ear 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
o
verwritten.
■ 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 r
ecall the
desired position.