Toyota Avalon Owners Manual: Rear Cross Traffic Auto Brake function

If the Rear Cross Traffic Auto Brake function detects that a collision with an approaching vehicle is possible, the engine output will be restricted to restrain any increase in vehicle speed. (Engine 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.)

Using the driving support systems

  1. Accelerator pedal
  2. Brake pedal
  3. Engine output
  4. Braking force
  5. Start of control
  6. High possibility of a collision
  7. Extremely high possibility of a collision

■The Rear Cross Traffic Auto Brake 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:

  • Engine 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.
    • Vehicles which are approaching from the right or left at the rear of the vehicle at a traveling speed of less than approximately 5 mph (8 km/h)
    • 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
    • Engine 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:

  • Engine 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 detection area of the RCTA function.

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.

■Re-enabling the Rear Cross Traffic Auto Brake function To re-enable the Rear Cross Traffic Auto Brake function when it is disabled while it is operating, either enable the Intelligent Clearance Sonar system again, or turn the engine switch off and then back to IGNITION ON mode. When the function is disabled, the ICS OFF indicator will illuminate.

If there is no longer a vehicle approaching from the right or left at the rear of the vehicle when backing up, or if the traveling direction of the vehicle changes (such as changing from backing up to moving forward), the system will be re-enabled automatically. When the function is re-enabled, the ICS OFF indicator will turn off.

■Conditions under which the Rear Cross Traffic Auto Brake function will not detect a vehicle The Rear Cross Traffic Auto Brake function is not designed to detect the following types of vehicles and/or objects.

  • Vehicles approaching from directly behind
  • Vehicles backing up in a parking space next to your vehicle
  • Vehicles that the sensors cannot detect due to obstructions
  • Vehicles which suddenly accelerate or decelerate near your vehicle

Using the driving support systems

  • Guardrails, walls, signs, parked vehicles 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.

■RCTA function buzzer Regardless of whether the RCTA function is enabled or not, if the Rear Cross Traffic Auto Brake function is enabled and brake control is performed, a buzzer will sound to notify the driver.

■Situations in which the system may operate even though there is no possibility of a collision In some situations such as the following, the Rear Cross Traffic Auto Brake function may operate even though there is no possibility of a collision.

  • When the parking space faces a street and vehicles are being driven on the street

Using the driving support systems

  • When a detected vehicle turns while approaching the vehicle

Using the driving support systems

  • When a detected vehicle turns while approaching the vehicle

  • When the distance between your vehicle and metal objects, such as a guardrail, wall, sign, or parked vehicle, which may reflect electrical waves toward the rear of the vehicle, is short

Using the driving support systems

  • When there are spinning objects near your vehicle such as the fan of an air conditioning unit
  • When water is splashed or sprayed toward the rear bumper, such as from a sprinkler

■Situations in which the Rear Cross Traffic Auto Brake function may not operate properly In some situations such as the following, this function may not operate properly.

  • Objects and vehicles which the radar sensors are not designed to detect
  • Stationary objects
  • Vehicles which are moving away from your vehicle
  • Pedestrians, motorcycles, bicycles, etc.*
  • Objects which are extremely close to a radar sensor
  • Vehicles which are approaching from the right or left at the rear of the vehicle at a traveling speed of less than approximately 5 mph (8 km/h)
  • Vehicles which are approaching from the right or left at the rear of the vehicle at a traveling speed of more than approximately 15 mph (24 km/h)

*: Depending on conditions, detection of a vehicle and/or object may occur.

  • Situations in which the radar sensors may not be able to detect an object
  • When a sensor or the area around a sensor is extremely hot or cold
  • If the rear bumper is covered with ice, snow, dirt, etc.
  • If heavy rain or water strikes the vehicle
  • When the detection area of a radar sensor is obstructed by an adjacent vehicle
  • If the vehicle is significantly tilted
  • 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 the front of the vehicle is raised or lowered due to the carried load
  • 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 radar sensor
  • If the orientation of a radar sensor has been changed due to a collision or other impact or removal and installation
  • When multiple vehicles are approaching with only a small gap between each vehicle
  • When a vehicle is approaching at high speed
  • Situations in which the radar sensor may not detect a vehicle
  • When a vehicle approaches from the right or left at the rear of the vehicle while you are turning while backing up
  • When turning while backing up

Using the driving support systems

  • When backing out of a shallow angle parking spot

Using the driving support systems

  • Vehicles that the sensors cannot detect due to obstructions

Using the driving support systems

  • When backing up on a slope with a sharp change in grade

Using the driving support systems

  • When a vehicle turns into the detection area

Using the driving support systems

    Intelligent Clearance Sonar function

    Driving mode select switches

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