lock Lexus HS250h 2010 Using the Bluetooth audio system / LEXUS 2010 HS250H OWNERS MANUAL (OM75006U)

478
4-3. Do-it-yourself maintenance
■Rear turn signal lights
Open the trunk lid and remove the
co
ver.
To prevent damage to the rear
combination assembly, cover the
tip of the screwdriver with a rag.
Remove the bolts, stopper rubber
and rear combination assembly.
Turn the bulb base counterclock -
wise.
Remove the light bulb.

480
4-3. Do-it-yourself maintenance
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more information in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.
CAUTION
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning
off the lights. 
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. Hold the bulb by
the plastic or metal portion. 
If the bulb is scratched or drop ped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failur to do so may
result in heat damage, fire, or water ente ring the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

484
5-1. Essential information
●If emergency towing cannot be performed
The vehicle cannot be towed by anot her v
ehicle in the following situa-
tions because the front wheels may be lock
ed by the parking lock.
Transport the vehicle with both front wheels or all 4 wheels lifted using
a flatbed or wheel-lift type truck.
• There is a malfunction in the smar t acces
s system with push-button
start.
• The P position control system is malfunctioning. ( P. 5 0 2 )
• The 12-volt battery is discharged.
Installing towing eyelets
Remove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a
rag between the screwdriver and
the vehicle body, as shown in the
illustration.
Insert the towing eyelet into the
hole and tighten partially by hand.

5
When trouble arises
487
5-1. Essential information
■Before emergency towingTurn the “POWER” switch to ON mode. ( P.
1 4 8 )
Do not turn the “POWER” switch to ACCESSORY mode.
Release the parking brake.
Change the shift position to N. 
When the “POWER” switch is in ACCESSORY mode, the shift position
ca
nnot be changed to N.
■Emergency towing eyelet location
 P. 5 2 1
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle. 
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelets and the cables or chains.
●Do not turn off the power switch. 
This may lead to accidents as th e parking lock will be engaged.
●If the hybrid system is off, the power assist for the brakes and steering will not
function, making steering and braking more difficult.
■Installing towing eyelets to the vehicle
Make sure that the towing eyelets are installed securely. 
If not securely installed, the towing eyel ets may come loose during towing. This may
lead to accidents that cause serious injury or even death.

502
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning messa ge is shown on the multi-informa-
tion display. Failure to investigate the cause of the follo
wing warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
Indicates a malfunction in the P position control
A buzzer also sounds.
In this situation, there is a possibility that the parking
lock mechanism will not work. 
When parking, park the vehicle on a flat surface and
apply the parking brake securely. Also, it may not be
possible to turn the “POWER ” switch off. If this hap-
pens, applying the parking brake will enable the
switch to be turned off.
(Flashes)
(If equipped)
Indicates a malfunction in the LED headlight system A buzzer also sounds.
(Flashes)
(If equipped)
Indicates a malfunction in the pre-collision system A buzzer also sounds.

514
5-2. Steps to take in an emergency
OnceCon-
tinuous
(Displayed alternately)(Flashes)
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the “POWER”
switch off.
Tu r n t h e
“POWER” switch
off and lock the
doors again.
Once
(Flashes)
An attempt was
made to start the
hybrid system
without the elec-
tronic key being
present, or the
electronic key was
not functioning
normally.
An attempt was
made to drive
when the regular
key was not inside
the vehicle.
Confirm that the
electronic key is
inside the vehicle.
Con-
tinuous
(Flashes)
The driver’s door
was opened while
any shift position
other than P was
selected without
turning off the
“POWER” switch.
Change the shift
position to P.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
515
5-2. Steps to take in an emergency
Con-
tinuousCon-
tinuous
(Displayed alternately)(Flashes)
The electronic key
was carried out-
side the vehicle
and the driver’s
door was opened
and closed while
any shift position
other than P was
selected without
turning off the
“POWER” switch.
• Change the shift position to P.
• Bring the elec- tronic key back
into the vehicle.
OnceCon-
tinuous
(Flashes)
An attempt was
made to lock the
doors using the
smart access sys-
tem with push-
button start while
the electronic key
was still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.
Interior buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

516
5-2. Steps to take in an emergency
Con-
tinuous
(Flashes)
An attempt was
made to lock
either front door
by opening a door
and putting the
inside lock button
into the lock posi-
tion, then closing
the door by pull-
ing on the outside
door handle with
the electronic key
still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.
Interior buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
517
5-2. Steps to take in an emergency
Once
(Flashes)
•When the doors were unlocked
with the
mechanical key
and then the
“POWER”
switch was
pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic key could not be
detected in the
vehicle even
after the
“POWER”
switch was
pressed two
consecutive
times.
Touch the elec-
tronic key to the
“POWER” switch
while depressing
the brake pedal.
Once
(Flashes)
An attempt was
made to start the
hybrid system
with the shift posi-
tion in N.Change the shift
position to P and
start the hybrid
system.
Interior buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
533
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
Doors
Use the mechanical key (P
. 39)
in order to perform the following
oper
ations (driver’s door only):
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
*
*: This setting must be customized at your Lexus dealer.
If communication between the electron ic key and vehicle is interrupted
( 
P. 4 9 ) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
r
emote control cannot be used. In such cases, the doors and trunk can be
opened and the hybrid system can be started by following the procedure
below.