If the Intelligent Clearance Sonar function detects that a collision with a wall or other stationary object is possible, the hybrid system output will be restricted to restrain any increase in the vehicle speed. (Hybrid system output restriction control: See A below.) Additionally, if the accelerator pedal continues to be depressed, the brakes will be applied automatically to reduce the vehicle speed. (Brake control: See B below.)
■ The Intelligent Clearance Sonar function will operate when The function will operate when the ICS OFF indicator is not illuminated or flashing and all of the following conditions are met:
■ The Intelligent Clearance Sonar function will stop operating when The function will stop operating if any of the following conditions are met:
■ Detection range of the Intelligent Clearance Sonar function The detection range of the Intelligent Clearance Sonar function 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 Intelligent Clearance Sonar function may not start operating.
■ If the Intelligent Clearance Sonar function has operated If the vehicle is stopped due to operation of the Intelligent Clearance Sonar function, the Intelligent Clearance Sonar system will be disabled and the ICS OFF indicator will illuminate.
■ Re-enabling the Intelligent Clearance Sonar system To re-enable the Intelligent Clearance Sonar system when it is disabled due to operation of the Intelligent Clearance Sonar function, either enable the system again, or turn the power switch off and then back to ON mode.
Additionally, if the object becomes no longer in the traveling direction of the vehicle or if the traveling direction of the vehicle changes (such as changing from moving forward to backing up, or from backing up to moving forward), the system will be re-enabled automatically.
■Objects that the Intelligent Clearance Sonar function may not detect The sensors may not be able to detect certain objects, such as the following.
(People may also not be detected depending on the type of clothing they are wearing.)
■ Intuitive parking assist buzzer Regardless of whether the intuitive parking assist system is enabled or not, if the Intelligent Clearance Sonar system 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 Intelligent Clearance Sonar function may operate even if there is no possibility of a collision In some situations such as the following, the Intelligent Clearance Sonar function may operate even though there is no possibility of a collision.
- When driving on a narrow road
- When driving on a gravel road or in an area with tall grass
- 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 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, a 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
■ If the Intelligent Clearance Sonar function operates unnecessarily such as at a railroad crossing Even in the event that the Intelligent Clearance Sonar function 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 again will allow you to proceed forward and leave the area.
■ Situations in which the Intelligent Clearance Sonar Brake function 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
- When strong winds are blowing
- 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 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.
- 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, a 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
■ If a 12-volt battery terminal has been disconnected and reconnected The system needs to be initialized.
To initialize the system, drive the vehicle straight ahead for 5 seconds or more at a speed of approximately 22 mph (35 km/h) or more.
■ If "ICS Unavailable" is displayed on the multi-information display and the ICS OFF indicator is flashing
Also, due to ice forming on a sensor at low temperatures, a warning message may be displayed or the sensor may not be able to detect an object. Once the ice melts, the system will return to normal.
■ If "ICS Malfunction Visit Your Dealer" is displayed on the multi-information display and the ICS OFF indicator is flashing The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer.
WARNING
■ Limitations of the Intelligent Clearance Sonar system Do not overly rely on the system, as doing so may lead to an accident.
Additionally, even if the system has stopped the vehicle, it is necessary to depress the brake pedal immediately as brake control will be canceled after approximately 2 seconds.
■ To ensure the Intelligent Clearance Sonar system 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.
Observe the following precautions regarding the radar sensors. Failure to do so may cause a radar sensor to not operate properly, and may cause an accident.
■ 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.
NOTICE
■ To prevent the system from malfunctioning
■ To prevent a radar sensor from malfunctioning
■ To prevent unnecessary operation of the Intelligent Clearance Sonar system In the following situations, disable the Intelligent Clearance Sonar system as the system may operate even though there is no possibility of a collision.
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