2011 Lexus HS250h sensor

5
When trouble arises
509
5-2. Steps to take in an emergency
(If equipped)
Indicates a malfunction in the intuitive parking assistA buzzer also sounds.
The malfunctioning assi st-sensor is flashing.
(Flashes)
Indicates a malfunction in the cruise control system
A buzzer also sounds.
Press the “ON-OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
(Flashes)
(If equipped)
Indicates a malfunction in the radar cruise control
system A buzzer also sounds.
Press the “ON-OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
Indicates a malfunction in the EPS systemA buzzer also sounds.
If the steering wheel becomes heavier than usual
when operating, hold firm ly and operate using more
force than usual.
Wa r n i n g m e s s a g eDetails

5
When trouble arises
513
5-2. Steps to take in an emergency
(U.S.A. only)
Indicates that the engine
oil should be changedComes on approxi-
mately 5000 miles
(8000 km) after the
engine oil is changed
(and the oil maintenance
data has been reset)
Check and change the
engine oil.
Indicates that the tire
inflation pressure is lowCheck the tire inflation
pressure, and adjust to the
appropriate level.
(If equipped)
Indicates that the pre-
collision system is not
currently functional
because the grille or the
sensor is dirty.
This message also
appears when the pre-
collision system is not
functional due to over-
heating.
Check the grille and the
sensor and clean them if
they are dirty.In case of overheating,
the system will become
functional once the sys-
tem cools down.
(If equipped)
Indicates that intuitive
parking assist sensor is
dirty or covered with ice
A buzzer also sounds.
The site of the malfunc-
tion and the vehicle
image are flashing.
Clean the sensor.
Wa r n i n g m e s s a g eDetailsCorrection procedure

514
5-2. Steps to take in an emergency
(Flashes)
(If equipped)
Indicates that the radar
cruise control sensor is
dirty or covered with ice A buzzer also sounds.
Clean the sensor.
(Flashes)
(If equipped)
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance A buzzer also sounds.• Switch driving mode to normal.
•Stop the wiper or change the mode to
auto, low or intermittent.
(Flashes)
(If equipped)
Alerts the driver that
there is a high possibility
of collision or the pre-col-
lision braking has acti-
vated A buzzer also sounds.
At the same time,
will appear on
the head-up display too
(the image flashes).
Slow the vehicle by apply-
ing the brakes.
Wa 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
(Flashes)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode) A buzzer also sounds.
At the same time,
will appear on
the head-up display (the
image flashes).
Slow the vehicle by apply-
ing the brakes.
(Flashes)
(If equipped)
Indicates a malfunction in
the LKA system A buzzer also sounds.Restart the hybrid system
and then reactivate the
lane keeping assist system.
Indicates that the LKA is
suspendedA buzzer also sounds.
• The camera sensor temperature is higher
than the operation tem-
perature range.
• The power steering system operation is
restricted.
Reactivate the lane keep-
ing assist system.
Wa r n i n g m e s s a g eDetailsCorrection procedure

584
6-2. Customization
Wireless
remote con-
trol
(
P. 5 5 )
Wireless remote
controlOnOff———O
Unlocking oper-
ation
Driver’s
door
unlocked
in one step,
all doors
unlocked
in two
steps
All doors
unlocked
in one step
O—OO
Pa n i c f u n c t i o nOnOff———O
Trunk unlocking
operationPress and hold
(short)
One short press———O
Press twice———O
Press and hold
(long)
———O
Off———O
Automatic
light control
system
(
P. 1 8 6 )
Ti m e e l a p s e d
before the head-
lights turn off30 sec-
onds
Off
O—OO
60 sec-onds
90 sec-onds
Light sensor
sensitivityStandard-2 to 2O—OO
ItemFunctionDefault settingCustom- ized
setting

586
6-2. Customization
Illumination
(
P. 3 6 4 )
Outer foot lights
activate on
approach of per-
son carrying
smart key
OnOff———O
Outer foot lights
operation when
the doors are
unlocked
OnOff———O
Remote touch
lightOnOff———O
Meter
( P. 1 6 4 )
Sensitivity of the
ambient light
sensor used for
dimming the
meter lights etc.
Standard-2 to 2O——O
Sensitivity of the
ambient light
sensor used for
brightening the
meter lights etc.
Standard-2 to 2O——O
Automatic
air condi-
tioning sys-
tem
( P. 2 5 6 )
Switching
between outside
air and recircu-
lated air mode
linked to
“AUTO” switch
operation
AutoManualO——O
ItemFunctionDefault
settingCustom- ized
setting

589
6-2. Customization
6
Vehicle specifications
Driving
position
memory
(Driver’s
seat)
( P. 6 9 )Called up when
door is opened
with smart
access system
with push-but-
ton start
Driver’s
doorAll doors———O
Intuitive
parking
assist 
Signal (buzzer)
when the dis-
tance to obsta-
cles does not
change for 3
seconds or more
OnOff———O
Signal (buzzer)
when the shift
position is
changed to N
OnOff———O
Active sensors
when the shift
position is out of
P or R
Front
corners
Rear
centers,
Rear
corners
———O
Seat belt
reminder
(
P. 5 0 1 )
Vehicle speed
linked seat belt
reminder buzzer
OnOff———O
Reverse
buzzer
(  P. 1 5 8 )Signal (buzzer)
when the shift
position is in RIntermit-
tentSingle———O
 : Refer to "Navigation System Owner's Manual"
ItemFunctionDefault
settingCustom- ized
setting

621
Alphabetical index
Tail lightsReplacing light bulbs ....................... 485
Switch ........................................................186
Wattage ................................................. 564
Talk switch (vehicles without navigation system).................. 318, 337
Talk switch (vehicles with navigation system)*
Telephone switch (vehicles without navigation system) ............337
Telephone switch (vehicles with navigation system)*
Theft deterrent system Alarm ........................................................ 100
Immobilizer system ............................. 98
Theft prevention labels ........................103
TILT switch*
Tire inflation pressure........................... 451
Tire information Glossary ................................................ 574
Size ............................................................. 571
Tire identification number ............. 570
Uniform Tire Quality Grading ....572
Tires Chains ..................................................... 250
Checking ............................................... 443
Compact spare tire ...........................527
If you have a flat tire...........................527
Inflation pressure ................................. 451
Inflation pressure sensor................ 444
Information............................................568
Replacing................................................527 Rotating tires ........................................443
Size ........................................................... 563
Snow tires .............................................. 249
Spare tire ................................................ 527
Tire pressure warning
system ....................................... 443, 501
Tools ........................................................... 527
Total load capacity ...............................248
Towing Dinghy towing .....................................253
Emergency towing........................... 489
Trailer towing ....................................... 252
TRAC......................................................... 229
Traction control ..................................... 229
Trailer towing ......................................... 252
Trip meter ................................................. 164
Trunk Opener ........................................................61
Turn signal lights Replacing light bulbs ........................ 475
Switch.......................................................... 161
Wattage ................................................. 564
Vanity lights Vanity lights ..........................................376
Wattage ................................................. 564
Vanity mirrors ........................................ 376
Vehicle identification number .........556
Vehicle stability control...................... 229
Ventilators ............................................... 379
VIEW switch*
VSC............................................................ 229
*: Refer to “Navigation System Owner’s Manual”.
T
V