Lexus ES manuals

Lexus ES: Parking Support Brake function (static objects)

Lexus ES (XZ10) Owner's Manual / Driving / Using the driving support systems / Parking Support Brake function (static objects)

If the sensors detect a static object, such as a wall, in the traveling direction of the vehicle and the system determines that a collision may occur due to the vehicle suddenly moving forward due to an accidental accelerator pedal operation, the vehicle moving the unintended direction due to the wrong shift position being selected, or while parking or traveling at low speeds, the system will operate to lessen the impact with the detected static object and reduce the resulting damage.

Examples of function operation

This function will operate in situations such as the following if an object is detected in the traveling direction of the vehicle.

■ When traveling at a low speed and the brake pedal is not depressed, or is depressed late

Lexus ES. Using the driving support systems

■ When the accelerator pedal is depressed excessively

Lexus ES. Using the driving support systems

■ When the vehicle moves in the unintended direction due to the wrong shift position being selected

Lexus ES. Using the driving support systems

WARNING

■To ensure the Parking Support Brake can operate properly Observe the following precautions regarding the sensors. Failure to do so may cause a sensor to not operate properly, and may cause an accident.

WARNING

■Handling the suspension Do not modify the suspension, as changes to the height or inclination of the vehicle may prevent the sensors from detecting objects correctly or cause the system to not operate or operate unnecessarily.

■If the Parking Support Brake function (static objects) operates unnecessarily, such as at a railroad crossing In the event that the Parking Support Brake function (static objects) operates unnecessarily, such as at a railroad crossing, brake control will be canceled after approximately 2 seconds, allowing you to proceed forward and leave the area, brake control can also be canceled by depressing the brake pedal. Depressing the accelerator pedal after brake control is canceled will allow you to proceed forward and leave the area.

■Notes when washing the vehicle Do not apply intensive bursts of water or steam to the sensor area.

Doing so may result in the sensor malfunctioning.

■When to disable the Parking Support Brake In the following situations, disable the Parking Support Brake as the system may operate even though there is no possibility of a collision.

■The Parking Support Brake function (static object) will operate when

The function will operate when the PKSB OFF indicator is not illuminated or flashing and all of the following conditions are met:

■The Parking Support Brake function (static objects) will stop operating when

The function will stop operating if any of the following conditions are met:

■Detection range of the Parking Support Brake function (static objects) The detection range of the Parking Support Brake function (static objects) differs from the detection range of the intuitive parking assist. Therefore, even if the intuitive parking assist detects an object and provides a warning, the Parking Support Brake function (static objects) may not start operating.

■Objects that the Parking Support Brake function (static objects) may not detect The sensors may not be able to detect certain objects, such as the following:

■Situations in which the Parking Support Brake function (static objects) may not operate When driving with the shift lever in N

■Intuitive parking assist buzzer Regardless of whether the intuitive parking assist system is enabled or not, if the Parking Support Brake function (static objects) is enabled, the front or rear sensors detect an object and brake control is performed, the intuitive parking assist buzzer will sound to notify the driver of the approximate distance to the object.

■Situations in which the Parking Support Brake function (static objects) may operate even if there is no possibility of a collision In some situations, such as the following, the Parking Support Brake function (static objects) may operate even though there is no possibility of a collision.

  • When driving on a narrow road

Lexus ES. Using the driving support systems

  • When driving on a gravel road or in an area with tall grass

Lexus ES. Using the driving support systems

  • When driving toward a banner, flag, low-hanging branch or boom barrier (such as those used at railroad crossings, toll gates and parking lots)
  • When driving on a narrow path surrounded by a structure, such as in a tunnel or on an iron bridge
  • When parallel parking
  • When there is a rut or hole in the surface of the road
  • When driving on a metal cover (grating), such as those used for drainage ditches
  • When driving on a steep slope
  • If a sensor is hit by a large amount of water, such as when driving on a flooded road
  • If a sensor is covered with ice, snow, dirt, etc. (when cleared, the system will return to normal)
  • If heavy rain or water strikes a sensor
  • When driving in inclement weather such as fog, snow or a sandstorm
  • When strong winds are blowing
  • When vehicle horns, vehicle detectors, motorcycle engines, air brakes of large vehicles, the clearance sonar of other vehicles or other devices which produce ultrasonic waves are near the vehicle
  • If a sticker or an electronic component, such as a backlit license plate (especially fluorescent type), fog lights, fender pole or wireless antenna is installed near a sensor
  • If the vehicle is significantly tilted
  • If the front of the vehicle is raised or lowered due to the carried load
  • If the orientation of a sensor has been changed due to a collision or other impact

■Situations in which the Parking Support Brake function (static objects) may not operate properly In some situations, such as the following, this function may not operate properly.

  • When a sensor or the area around a sensor is extremely hot or cold

Lexus ES. Using the driving support systems

  • When strong winds are blowing

Lexus ES. Using the driving support systems

  • If a sensor is covered with ice, snow, dirt, etc. (when cleared, the system will return to normal)
  • If heavy rain or water strikes a sensor
  • When driving in inclement weather such as fog, snow or a sandstorm
  • A sensor is frozen. (Thawing the area will resolve this problem.)
  • When an object that cannot be detected is between the vehicle and a detected object
  • If an object such as a vehicle, motorcycle, bicycle or pedestrian cuts in front of the vehicle or runs out from the side of the vehicle
  • The vehicle is approaching a tall or curved curb.
  • On an extremely bumpy road, on an incline, on gravel, or on grass.
  • If objects draw too close to the sensor.
  • When vehicle horns, vehicle detectors, motorcycle engines, air brakes of large vehicles, the clearance sonar of other vehicles or other devices which produce ultrasonic waves are near the vehicle
  • If a sticker or an electronic component, such as a backlit license plate (especially fluorescent type), fog lights, fender pole or wireless antenna is installed near a sensor
  • If the vehicle is significantly tilted
  • If the front of the vehicle is raised or lowered due to the carried load
  • If the orientation of a sensor has been changed due to a collision or other impact
  • When equipment that may obstruct a sensor is installed, such as a towing eyelet, bumper protector (an additional trim strip, etc.), bicycle carrier, or snow plow
  • If the suspension has been modified or tires of a size other than specified are installed
  • If a sensor has been painted or covered with a sticker, etc.

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