2010 Lexus HS250h sensor

5
When trouble arises
507
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
(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

508
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
(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 brake has activated 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
509
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
(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

578
6-2. Customization
HS250h_U_75033U(Canada)
Wi re le ss
remote con-
trol
(
→P. 5 4 )
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
Panic functionOnOff———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 3 )
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
Lights
(→ P. 1 8 3 )Daytime run-
ning light systemOnOff*O—OO
ItemFunctionDefault
settingCustom-
ized
setting

580
6-2. Customization
HS250h_U_75033U(Canada)
Illumination
(
→P. 360)
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 2 )
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 2 )
Switching
between outside
air and recircu-
lated air mode
linked to
“A U T O ” s w i t c h
operation
AutoManualO——O
ItemFunctionDefault
settingCustom-
ized
setting

583
6-2. Customization
6
Vehicle specifications
HS250h_U_75033U(Canada)
Driving
position
memory
(Driver’s
seat)
(→ P. 6 8 )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. 4 9 5 )
Vehicle speed
linked seat belt
reminder buzzer
OnOff———O
Reverse
buzzer
( → P. 1 5 6 )Signal (buzzer)
when the shift
position is in RIntermit-
tentSingle———O
∗ : Refer to "Navigation System Owner's Manual"
ItemFunctionDefault
settingCustom-
ized
setting

602
Alphabetical index
HS250h_U_75033U(Canada)
Steering wheel position memory.................................................. 68
Stop light Replacing light bulbs........................ 479
Wattage................................................. 558
Storage feature......................................363
Stuck If the vehicle becomes stuck........545
Sun visors .................................................. 371
Sunshade Rear .......................................................... 378
Roof ............................................................. 89
Switch Audio remote control switch *
Driving mode selector switch .................................................... 155
Engine switch.........................................145
Fog light switch.....................................194
Ignition switch........................................145
Light switches ....................................... 183
Mode select switch............................ 155
OPEN CLOSE switch *
Power door lock switch .................... 57
Power switch .........................................145
Power window switch ........................ 86
Talk switch (vehicles without navigation system)............. 314, 333
Talk switch (vehicles with
navigation system) *
Telephone switch (vehicles
without navigation system) ....... 333
Telephone switch (vehicles
with navigation system)*
TILT switch*
Tire pressure warning reset switch ................................................... 439
Window lock switch ........................... 86 Wiper and washer switch............... 195
Tail lights Replacing light bulbs ........................479
Switch ........................................................ 183
Wattage .................................................558
Talk switch (vehicles without navigation system) .................. 314, 333
Talk switch (vehicles with navigation system)*
Telephone switch (vehicles without navigation system)............ 333
Telephone switch (vehicles with navigation system)*
Theft deterrent system Alarm.......................................................... 98
Immobilizer system ..............................96
Theft prevention labels.......................... 101
TILT switch*
Tire inflation pressure ......................... 445
Tire information Glossary ................................................568
Size ........................................................... 565
Tire identification number ............. 564
Uniform Tire Quality Grading ... 566
Tires
Chains..................................................... 245
Checking................................................437
Compact spare tire............................ 521
If you have a flat tire ........................... 521
Inflation pressure ............................... 445
Inflation pressure sensor ............... 438
Information ........................................... 562
Replacing ................................................ 521
Rotating tires.........................................437
Size ........................................................... 557
T