Subaru Legacy Manuals 2023 Legacy Owner's Manual | Page 430

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Reverse Automatic Braking ( RAB ) System
– Roads are slippery . – The tire air pressure is not correct . – The tires have become worn . – Tire chains are installed . – Tires which are not the designated size are installed . – Emergency repairs were performed using a puncture repair kit . – The suspension was modified . – Vehicle driving is unstable due to accident or malfunction . – The brake warning light is illuminated .
Guideline of detecting range
Alert level
Range of detected object *
Distance indicator
Alarm pattern
Long proximity ( object detected )
35 in ( 90 cm ) or more
Green
No warning sound
Medium proximity alert ( approaching the
28 to 35 in ( 70 to 90 cm )
Yellow
Short beeps
object )
Short proximity alert ( approaching closer to the object )
20 to 28 in ( 50 to 70 cm )
Orange
Rapid short beeps
Closest proximity alert ( too close to the object )
20 in ( 50 cm ) or less
Red
Continuous beep
*: Range of detection may vary depending on the environmental condition .
& Sonar Audible Alarm Function s07bn03
When Reverse Automatic Braking ( RAB ) system is in operation , an audible warning beeps will sound in 3 levels to warn the driver of a potential collision .
NOTE
It may take time to display the wall and sound warning beeps after the object was recognized by the Sonar Audible Alarm .