sensor Lexus IS300h 2017 Manual PDF

5047-1. Maintenance and care
IS300h_EE(OM53D89E)
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may cause the
electrical components etc. to catch fire.
■When cleaning the windshield (vehicles with rain-sensing windshield wipers)
●When the upper part of the windshield where the raindrop sensor is located is touched by hand
●When a wet rag or similar is held close to the raindrop sensor
●If something bumps ag ainst the windshield
●If you directly touch the raindrop sensor body or if something bumps into the raindrop
sensor
■Precautions regarding the exhaust pipes
Exhaust gases cause the exhaus t pipes to become quite hot.
When washing the vehicle, be careful not to touch the pipes until they have cooled suf-
ficiently, as touching hot exhaust pipes can cause burns.
■Precaution regarding the rear bumper with Blind Spot Monitor (if equipped)
If the paint of the rear bumper is chipped or scratched, the system may malfunction. If
this occurs, consult any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
Set the wipers to the intermittent windshield
wipers. ( P. 248)
If AUTO mode is sele cted, the wipers may operate unexpectedly in the following situa-
tions, and may result in hands being caught or
other serious injuries and cause damage to the wiper blades.

5778-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
(If equipped)
PCS warning light When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
When the warning light flashes (and a buzzer does not sound): Indicates that the PCS (Pre-Collision System) is temporarily
unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor being dirty or covered with condensa tion, ice, stickers, etc.
 Clear the dirt, condensation, ice, stickers, etc.
( P. 259, 260) • Radar sensor or camera sensor operational conditions (such as
temperature etc.) being not met
 Driving is possible in this case. The PCS (Pre-Collision System) will be enabled if the operational conditions (such as tempera-
ture etc.) are met again.
When the warning lig ht is illuminated:
Either the VSC (Vehicle Stability Control) system or PCS (Pre-
Collision System) is disabled or both are disabled.  To enable the PCS, enable both the VSC system and PCS.
( P. 269, 354)
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stab ility Control) system; • The TRC (Traction Control) system; or
• The hill-start assist control system
The light will flash when the VSC, the TRC or the ABS system is operating.
 Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
Open door warning light (warning buzzer)*2
Indicates that a door or the trunk is not fully closed
 Check that all the doors and the trunk are closed.
Low fuel level warning light
Indicates that remaining fuel is ap proximately 10 L (2.6 gal., 2.2 Imp. gal.) or less
 Refuel the vehicle.
Driver’s and front passenger’s seat belt reminder light (warning
buzzer)*3
Warns the driver and/or front pass enger to fasten their seat belts  Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fastened to make the warning light (warning buzzer) turn off.
Warning lightWarning light/Details/Actions

5788-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
*1: Parking brake engaged warning buzzer:
 P. 587
*2: Open door warning buzzer:
 P. 583
*3: Seat belt warning buzzer:
The seat belt warning buzzer sounds to al ert the driver, front passenger and rear pas-
sengers that his or her seat belt is not fastened. The buzzer sounds for 30 seconds
after the vehicle reaches a speed of 20 km/h (12 mph). Then, if the seat belt is still unfastened, the buzzer w ill sound in a different tone for 90 more seconds.
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sitting in the seat.
●If a cushion is placed on the seat, the sens or may not detect a passenger, and the warn-
ing light may not operate properly.
■If the malfunction indicator lamp comes on while driving
The malfunction indicato r lamp will come on if the fuel tank becomes completely empty.
If the fuel tank is empty, refuel the vehi cle immediately. The malfunction indicator lamp
will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized Lexus retailer or
Lexus authorized repairer, or any re liable repairer as soon as possible.
Rear passengers’ seat belt reminder lights (warning buzzer)*3
Warns the rear passengers to fasten their seat belts
 Fasten the seat belt.
Master warning light
A buzzer sounds and the warning light comes on and flashes to indicate that the master warning system has detected a malfunc-
tion.
 P. 581
Tire pressure warning light When the light comes on:
Low tire inflation pressure such as
• Natural causes ( P. 579) •Flat tire ( P. 610, 625)
 Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minutes. In case the light does not turn off even if the tire inflat ion pressure is adjusted, have the
system checked by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
 Have the system checked by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
Warning lightWarning light/Details/Actions

5848-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
Indicates that the hood is not fully closed If the vehicle reaches a speed of 5 km/h (3 mph),
flashes and a buzzer sounds to indicate that
the hood is not yet fully closed.
 Close the hood.
Indicates that the trunk is not fully closed
If the vehicle reaches a speed of 5 km/h (3 mph),
flashes and a buzzer sounds to indicate that
the trunk is not yet fully closed.  Close the trunk.
(If equipped)
Indicates a malfunction in the Lexus parking assists-sen-
sor The assist-sensors flash.
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that a Lexus parkin g assist-sensor is dirty or
covered with ice
A buzzer also sounds.  Clean the sensor.
Indicates that the accelerator pedal is depressed while
the shift position is in N
A buzzer also sounds.  Release the accelerator pedal and shift the shift
lever to D, S or R.
Warning messageDetails/Actions
(Flashes)

5908-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.  Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weather
A buzzer also sounds.  Use the dynamic radar cruise control system when
it becomes available again.
(If equipped)
Indicates that: • The grille shutter syst em cannot operate; or
• The grille shutter is di rty or covered with ice
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in t he smart entry & start system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

5918-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur- rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean off the dirt, snow, ice, etc. and drive the vehi- cle with the operation conditions of the BSM func-
tion ( P. 341) satisfied for approximately 10
minutes. If the warning me ssage does not disappear, the sensor may be misaligned. Have the vehicle
inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system. A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert with steering control) system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
The operation conditions of the camera sensor (tem- perature, etc.) are not met.
 When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys- tems will become available.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering control) system
•Automatic High Beam
• RSA (Road Sign Assist)
Warning messageDetails/Actions
(Flashes)

5928-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
(If equipped)
Indicates that the system is temporarily unavailable due to a malfunction in a sensor other than the camera sen-
sor
A buzzer also sounds.  Turn the LDA (Lane Departure Alert with steering
control) system off, wait for a little while, and then
turn the LDA (Lane Departure Alert with steering control) system back on.
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present on the windshield in front of the camera sensor.
The following systems will be temporarily unusable.
• PCS (Pre-Collision System) • LDA (Lane Departure Alert with steering control)
system
•Automatic High Beam • RSA (Road Sign Assist)
 Turn the system off, remove any dirt, rain, condensa-
tion, ice, snow, etc., from the windshield, and then turn the system back on.
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-tem)
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
(Flashes)
(Flashes)

6008-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
Carrying out the corresponding action turns the messages off.
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo- rarily unavailable
 When conditions improve, the system resumes
operation. If this message is displayed continuously, have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that part of th e PCS (Pre-Collision System)
sensor is dirty, covered with ice, etc.
 Remove any dirt, ice, etc.
Other displayed messages
Warning messageDetails/Actions
(Flashes)
(Flashes)
Warning messageDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required
The filter may be clogged, the air intake vent may be blocked or there may be a gap in the duct.
 Have maintenance performed on the hybrid battery
(traction battery) cooling component by any autho- rized Lexus retailer or Lexus authorized repairer, or
any reliable repairer.

6629-2. Customization
IS300h_EE(OM53D89E)
■Turn signal lever ( P. 233)
*1: After flashing the turn signal lights when turning left or right while this function is off
and the turn signal lever is moved to the first position in the direction of the flashing
light, the turn signal lights can be selected to be flashing or off.
*2: The turn signal lights keep flashing if the turn signal lever is moved to the first position
in the direction of flashing light.
*3: The turn signal lights will be off if the turn signal lever is moved to the first position in
the direction of flashing light.
■Automatic light control system ( P. 237)
FunctionDefault settingCustomized setting
The number of times the turn sig-
nal lights flash automatically when
the turn signal lever is moved to the first position during a lane
change*1
3
5
—O7
Off *2
Off*3
12
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights
automatically turn off30 seconds
60 seconds
—O90 seconds
120 seconds
12

663
9
9-2. Customization
Vehicle specifications
IS300h_EE(OM53D89E)
■Lexus parking assist-sensor*1 ( P. 309)
*1:If equipped
*2: When Lexus parking assist-sensor is operating.
■Driving mode select switch (P. 348)
*:If equipped
■Automatic air conditioning system (P. 466)
■Seat heaters* (P. 479)
*:If equipped
FunctionDefault settingCustomized setting
Detection distance of the front center sensorFarNearOO
Detection distance of the rear
center sensorFarNearOO
Buzzer volume31 to 5OO
Display setting*2All sensors dis-
playedDisplay offOO
12
FunctionDefault settingCustomized setting
Powertrain control in customized
mode*NormalPowerO—Eco
Chassis control in customized mode*NormalSportO—
Air conditioning operation in cus-
tomized mode*NormalEcoO—
12
FunctionDefault settingCustomized setting
Switching between outside air
and recirculated air mode linked
to “AUTO” switch operation
OnOffOO
A/C Auto switch operationOnOffOO
12
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnOO
12