The Rear Cross Traffic Auto Brake Function Will Operate When; The Rear Cross Traffic Auto Brake Function Will Stop Operating When; Detection Area Of The Rear Cross Traffic Auto Brake Function; If The Rear Cross Traffic Auto Brake Function Has Operated - Lexus RX 450H Owner's Manual

The Rear Cross Traffic Auto Brake 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 with Rear Cross Traffic Auto Brake is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• The shift lever is in R.
• The system determines that a stronger than normal brake operation is necessary to
avoid a collision with an approaching vehicle.
Brake control
●
• Hybrid system output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision with an approaching vehicle.

The Rear Cross Traffic Auto Brake 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 with Rear Cross Traffic Auto Brake is disabled.
• The collision becomes avoidable with normal brake operation.
• A vehicle is no longer approaching from the right or left at the rear of the vehicle.
Brake control
●
• The Intelligent Clearance Sonar with Rear Cross Traffic Auto Brake 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.
• A vehicle is no longer approaching from the right or left at the rear of the vehicle.

Detection area of the Rear Cross Traffic Auto Brake function

■
The detection area of the Rear Cross Traffic Auto Brake function differs from the detec-
tion area of the RCTA function. (→P. 330)
Therefore, even if the RCTA function detects a vehicle and provides an alert, the Rear
Cross Traffic Auto Brake function may not start operating.

If the Rear Cross Traffic Auto Brake function has operated

■
If the vehicle is stopped due to operation of the Rear Cross Traffic Auto Brake function,
the Rear Cross Traffic Auto Brake function will be disabled and the ICS OFF indicator
will illuminate.
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4-5. Using the driving support systems
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