The Intelligent Clearance Sonar Function Will Operate When; The Intelligent Clearance Sonar Function Will Stop Operating When; Detection Range Of The Intelligent Clearance Sonar Function; If The Intelligent Clearance Sonar Function Has Operated - Lexus RX 450H Owner's Manual

348
4-5. Using the driving support systems

The Intelligent Clearance Sonar function will operate when

■
The function will operate when the ICS OFF indicator is not illuminated or flashing (→P.
344, 352) and all of the following conditions are met:
Hybrid system output restriction control
●
• The Intelligent Clearance Sonar system is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• There is an object in the traveling direction of the vehicle and 6 to 13 ft. (2 to 4 m)
away.
• The system determines that a stronger-than-normal brake operation is necessary to
avoid a collision.
Brake control
●
• Hybrid system output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision.

The Intelligent Clearance Sonar function will stop operating when

■
The function will stop operating if any of the following conditions are met:
Hybrid system output restriction control
●
• The Intelligent Clearance Sonar system is disabled.
• The collision becomes avoidable with normal brake operation.
• The object is no longer 6 to 13 ft. (2 to 4 m) away in the traveling direction of the
vehicle.
Brake control
●
• The Intelligent Clearance Sonar system is disabled.
• Approximately 2 seconds elapse after the vehicle is stopped by brake control.
• The brake pedal is depressed after the vehicle is stopped by brake control.
• The object is no longer 6 to 13 ft. (2 to 4 m) away in the traveling direction of the
vehicle.

Detection range of the Intelligent Clearance Sonar function

■
The detection range of the Intelligent Clearance Sonar function differs from the detec-
tion range of the intuitive parking assist. (→P. 337)
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 illumi-
nate.
RX450h_U_OM0E023U