2009 Lexus IS250 parking sensors

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LEXUS PARKING ASSIST−SENSOR
285
D
When another vehicle equipped with
ultrasonic sensors gets close to your
vehicle.
DWhen heavy rain or water is splashed
over the vehicle.
(Drive carefully as the braking distance
may be affected.)
DWhen a radio antenna or fender pole is
mounted on your vehicle.
DIf towing eyelet is installed on your ve-
hicle.
DWhen you are driving towards a tall
curb stone or curb stone having right
angle.
DThe detection range for an object such
as a traffic sign may be shortened.
DAn object just under the bumper cannot
be detected. Although an object lower
than the location of sensors is once de-
tected, the detection might be stopped
when your vehicle gets closer to the
object.
DWhen an obstacle is very close to the
sensors.
The Lexus parking assist −sensor may
not detect the following:
DThin objects such as wire or rope
DSound wave absorbing objects such as
cotton or snow
DObjects with a sharp edge
DTall objects with the upper part project-
ed
DShorter objects
CAUTION
Do not install accessories within the
sensors’ detection areas, as this may
cause the Lexus parking assist −sen-
sor to function incorrectly, possibly
leading to an accident.
If an error is detected when the parking
assist− sensor is turned on, the vehicle
symbol comes on or flashes with beep-
ing sounds.
However, the sensors functioning properly
continue their obstacle detection.
The parking assist −sensor failure warning
display is not given in either of the following
operations:
DChanging to another screen
DTurning off the main switch for the
Lexus parking assist −sensor
IS F/350/250_Navi_U
(L/O 0808)
— Lexus parking
assist− sensor failure
warning

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LEXUS PARKING ASSIST−SENSOR
286
(a) When snowflakes or mud gets on
the sensors
"1Multi−information display
2Touch screen
If foreign matter gets on the sensors
and the parking assist −sensor cannot
detect the object properly, the above
message appears. At this time, the ve-
hicle symbol and the indicator bars cor-
responding to the faulty sensors flash
for about 7 seconds and 2 beeps sound
5 times.
After about 7 seconds, the sensor indi-
cator bars will cease flashing, however
will stay lit until the affected sensor is
cleaned. Furthermore, the vehicle sym-
bol will continue to flash until the af-
fected sensor is cleaned.
The above illustration shows the sensor on
the left front of the vehicle malfunctioning.
If the failure warning does not go off even
after the foreign matter is removed, the
parking assist −sensor may be malfunc-
tioning. Have it checked by your Lexus
dealer. (b) When the sensor is malfunctioning
"1Multi−
information display
2Touch screen
If the sensor cable is broken and the
parking assist− sensor cannot detect
the object properly, the above message
appears. At this time, the indicator bars
corresponding to the faulty sensor
flash for about 7 seconds and 2 beeps
sound 5 times.
The indicator bars continue lighting af-
ter flashing.
The above illustration shows the sensor on
the right rear of the vehicle malfunctioning.
If this message appears, have the parking
assist− sensor checked by your Lexus
dealer.
IS F/350/250_Navi_U
(L/O 0808)

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LEXUS PARKING ASSIST−SENSOR
288
"1About 1.1 ft. (37.5 cm) to about
1.5 ft. (50 cm)
2About 0.8 ft. (25 cm) to about
1.1 ft. (37.5 cm)
3Less than about 0.8 ft. (25 cm)
Display:
When an obstacle is detected, the indica-
tor will flash yellow. The flashing speed be-
comes faster as the vehicle gets closer to
the obstacle. When the distance between
the vehicle and the obstacle is less than
about 0.8 ft. (25 cm), the indicator will illu-
minate in red.
Beeps:
As distance to the obstacle gets closer, the
interval of the intermittent sound gets
shorter, and then finally changes to a con-
tinuous sound when the distance between
the vehicle and the obstacle is less than
about 0.8 ft. (25 cm).
"1About 1.1 ft. (37.5 cm) to about 1.5
ft. (50 cm)
2About 0.8 ft. (25 cm) to about 1.1
ft. (37.5 cm)
3Less than about 0.8 ft. (25 cm)
Display:
When an obstacle is detected, the indica-
tor will flash yellow. The flashing speed be-
comes faster as the vehicle gets closer to
the obstacle. When the distance between
the vehicle and the obstacle is less than
about 0.8 ft. (25 cm), the indicator will illu-
minate in red.
Beeps:
As distance to the obstacle gets closer, the
interval of the intermittent sound gets
shorter, and then finally changes to a con-
tinuous sound when the distance between
the vehicle and the obstacle is less than
about 0.8 ft. (25 cm).
IS F/350/250_Navi_U
(L/O 0808)
— Front corner sensors — Rear corner sensors

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LEXUS PARKING ASSIST−SENSOR
289
"1About 1.8 ft. (60 cm) to about 4.5
ft. (150 cm)
2About 1.4 ft. (45 cm) to about 1.8
ft. (60 cm)
3About 1.1 ft. (35 cm) to about 1.4
ft. (45 cm)
4Less than about 1.1 ft. (35 cm)
Display:
When an obstacle is detected, the indica-
tor will flash yellow. The flashing speed be-
comes faster as the vehicle gets closer to
the obstacle. When the distance between
the vehicle and the obstacle is less than
about 1.1 ft. (35 cm), the indicator will illu-
minate in red.
Beeps:
As distance to the obstacle gets closer, the
interval of the intermittent sound gets
shorter, and then finally changes to a con-
tinuous sound when the distance between
the vehicle and the obstacle is less than
about 1.1 ft. (35 cm).
CAUTION
When reversing, be sure to visually
confirm a safe distance around your
vehicle to avoid an accident.
The volume of the beeps and turning on
or off of the display can be set.
1. Push the “INFO” button to display
the menu screen.
IS F/350/250_Navi_U
(L/O 0808)
— Back sensors — Setting the Lexus parkin
g
assist−
sensor

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LEXUS PARKING ASSIST−SENSOR
291
(b) Changing display and alert set-
tings
Touch“Distance” to change the distance
for the back sensors display and tone indi-
cation.
Touch “Rear” to switch the distance for the
back sensors display and tone indication,
from long distance to short distance, or
from short distance to long distance.
To return to the previous screen, touch
. (c) Display off setting
Vehicles with rear view monitor system —
Although “Display OFF” is turned on, if the
obstacle is detected during the rear view
monitoring, the warning appears on the
right top of the screen.
For vehicles sold in U.S.A.
This device complies with Part 15 of the
FCC Rules.
Operation is subject to the following two
conditions: (1) This device may not
cause harmful interference, and (2) this
device must accept any interference re-
ceived, including interference that may
cause undesired operation.
For vehicles sold in Canada.
This ISM device complies with Cana-
dian ICES
−001.
Cet appareil ISM est conforme a la
norme NMB −001 du Canada.
IS F/350/250_Navi_U
(L/O 0808)