Honda Civic manuals

Subaru Legacy Owners Manual: Operating conditions

The Reverse Automatic Braking system will operate when all of the following conditions are met.

  •  The ignition switch is in the "ON" position
  •  The EyeSight warning indicator is off
  •  The RAB warning indicator is off
  •  HALT (Reverse Automatic Braking system OFF) indicator is off
  •  The Reverse Automatic Braking system is set to on
  •  The select lever is in the "R" position
  •  The vehicle speed is between 1 to 9 mph (1.5 to 15 km/h)
CAUTION
  •  In the following cases, the Reverse Automatic braking system will not operate. Promptly contact a SUBARU dealer to have the system inspected.
  •  The EyeSight warning indicator is illuminated
  •  The RAB warning indicator is illuminated
  •  In the following cases, the Reverse Automatic braking system cannot be operated.
  •  The (EyeSight Temporary Stop indicator: White) is illuminated, and the messages c o r r e s p o n d ing t o t h e EyeSight temporary stop are displayed on the multi information display. For details, refer to the Owner's Manual supplement for the EyeSight system.
  •  The Reverse Automatic Braking system OFF indicator is illuminated
  •  In the following cases, the system may not be able to properly detect an obstacle. Promptly contact a SUBARU dealer to have the system inspected.
  •  A sticker, paint, or a chemical is applied to the rear bumper near the sonar sensor
  •  The rear bumper is modified
  •  The rear bumper has been removed and attached
  •  The ground clearance is changed due to the vehicle's loading condition or modification
  •  Ice, snow or mud is adhered to the rear bumper near the sonar sensor
  •  The rear bumper is exposed to strong impact, or the rear bumper is deformed
  •  On a steep hill, the system's automatic braking ability will be reduced.
  •  The system is designed to avoid collisions by automatic hard braking when the vehicle's reversing speed is less than approximately 3 mph (5 km/h). However, the system does not guarantee that the vehicle will be able to avoid collisions in any situation.
  •  If the vehicle is reversed at an extremely slow speed, the driver's operation may be prioritized.

    In this case, automatic braking will not operate.

  •  The system may not be able to detect the following objects
  •  Sharp or thin objects such as poles, fences and ropes which may not reflect the sound wave emitted from the sonar sensor
  •  Objects that are too close to the rear bumper when the select lever is set to the "R" position
  •  Objects with a surface which may not reflect the sound wave emitted from the sonar sensor such as a chain link fence
  •  Objects the system is not designed to detect
  •  Pedestrians
  •  Moving objects including moving vehicles
  •  Objects which absorbs sound waves such as cloth or snow
  •  Objects whose surface has a diagonal angle
  •  Objects that are low to the ground such as parking blocks
  •  Objects that are high above the ground such as objects hanging from above
  •  When reversing the vehicle, the system may not be able to properly detect objects or may cause a system malfunction if the following conditions exist High frequency sound from other sources are nearby
  •  Horn sound from another vehicle
  •  Engine sound from other vehicles
  •  Sound of an air brake
  •  Vehicle detection equipment or a sonar from another vehicle
  •  A sound wave with a frequency similar to the vehicle's system is transmitted near by
  •  A vehicle equipped with the same system is reversing toward your reversing direction

Weather conditions

  •  Extremely high or extremely low temperatures in which the area near the sonar sensor becomes too hot or too cold to operate
  •  The rear bumper near the sonar sensors are exposed to heavy rain or a significant amount of water
  •  Fog, snow or sandstorm, etc.
  •  Air is moving rapidly such as when a strong wind is blowing

Parts attached to the rear bumper near the sonar sensor

  • Commercial electronic parts (fog light, fender pole, radio antenna) or commercial attachment parts (trailer hitch, bicycle carrier, bumper guard) are attached
  •  Parts that emit high frequency sound, such as a horn or speaker, are attached

Vehicle conditions

  •  The vehicle is significantly inclined
  •  The ground clearance is significantly reduced due to the vehicle's loading condition, etc.
  •  When the sonar sensor is misaligned due to a collision or an accident

Surrounding environment

  •  A cloth banner, flag, hanging branch or railroad crossing bars are present in the reversing direction
  •  When reversing on a gravel or grassy area
  •  When reversing in an area where objects or walls are adjacent to the vehicle such as narrow tunnels, narrow bridges, narrow roads or narrow garages
  •  Wheel track or hole is present in the ground of the reversing direction
  •  When reversing over a drainage cover (grating cover)
  •  The path of the reversing direction is inclined such as on a steep uphill
  •  A curb is present in the reversing direction
  •  When reversing downhill

Operating conditions

Example: The path of the reversing direction is inclined such as on a steep uphill.

NOTE The Reverse Automatic Braking system will operate at vehicle speed between 1 to 9 mph (1.5 to 15 km/h).

However, stopping the vehicle by automatic hard braking is designed to operate when the vehicle speed is less than 3 mph (5 km/h).

Reverse Automatic Braking System overview
The system detects objects using sonar sensors installed in the rear bumper.  If the system determines a possible collision with an object in the reversing direction, automatic decelerat ...

Reverse Automatic Braking System operation
When Reverse Automatic Braking System is in operation, an audible warning beeps will sound in 3 levels to warn the driver of a potential collision. 1) First braking and warning: When the system d ...

Other materials:

Installation
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