2017 Lexus IS300h parking sensors

3464-5. Using the driving support systems
IS300h_EE(OM53D89E)
■Conditions under which the RCTA function will not detect a vehicle
The RCTA function is not designed to dete ct the following types of vehicles and/or objects:
●Vehicles approaching from directly behind
●Vehicles backing up in a parking space next to your vehicle
●Guardrails, walls, signs, parked vehi cles and similar stationary objects*
●Small motorcycles, bicycles, pedestrians, etc.*
●Vehicles moving away from your vehicle
●Vehicles approaching from the parking spaces next to your vehicle*
*: Depending on the conditions, detection of a vehicle and/or object may occur.
■Conditions under which the RCTA function may not function correctly
●The RCTA function may not detect vehicles correctly in the following situations:
• When the sensor is misaligned due to a stro ng impact to the sensor or its surround-
ing area • When mud, snow, ice, a sticker, etc. is covering the sensor or surrounding area on
the rear bumper
• When driving on a road surface that is wet with standing water during bad weather,
such as heavy rain, snow, or fog • When multiple vehicles are approaching wi th only a small gap between each vehicle
• When a vehicle is approaching at high speed
• When towing a trailer (vehicles with towing package)
●Vehicles that the sensors cannot detect due to
obstructions
• When backing up on a slope with a sharp
change in grade

3474-5. Using the driving support systems
4
Driving
IS300h_EE(OM53D89E)
●Instances of the RCTA function unnecessarily detecting a vehicle and/or object may
increase in the following situations:
• When a vehicle passes by the side of your vehicle
• When the distance between your vehicle and metal objects, such as a guardrail,
wall, sign, or parked vehicle, which may re flect electrical waves toward the rear of
the vehicle, is short
• When backing out of a shallow angle park-
ing spot
• When the sensors cannot detect a vehicle due to obstructions
• When the parking space faces a street and vehicles are being driven on the street

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)

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

684Alphabetical index
IS300h_EE(OM53D89E)
Paddle shift switches ...........................228
Parking assist sensors .........................309
Parking brake ......................................... 235
PCS (Pre-Collision System) ............ 265
Warning light ....................................... 577
Personal lights ........................................482
Wattage..................................................654
Pollen removal mode .......................... 474
Pop-up display ..........................................119
Pop Up Hood ............................................ 55
Power control unit .................................... 81
Power control unit coolant ................ 519
Capacity .................................................649
Checking ................................................ 519
Preparing and checking before
winter......................................................361
Power easy access system ................. 177
Power outlet ........................................... 492
Power steering (Electric power
steering system)................................. 352
Warning light....................................... 576
Power switch ............................................ 219
Power windows .......................................193
Door lock linked window
operation..............................................195
Jam protection function ................... 194
Operation ............................................... 193
Window lock switch .......................... 193
Pre-Collision System (PCS) ............ 265
Warning light........................................577
Radar cruise control (dynamic
radar cruise control) ........................ 293
Radiator ......................................................521
Radio.......................................................... 394
Rear Crossing Traffic Alert.............. 334
Rear fog light .......................................... 244
Replacing light bulb ......................... 562
Switch .......................................................244
Rear passengers’ seat belt
reminder lights ................................... 578
Rear seat .................................................... 175
Fold down the seatback .................. 175
Luggage security system ................ 153
P
R