Subaru Forester: Reverse Automatic Braking (RAB) system (if equipped) / Reverse Automatic Braking (RAB) 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 deceleration will be
activated. Also, beeping sounds will activate.
- If the vehicle is further reversed, automatic
hard braking will be applied and a
continuous beeping sound will activate.

- When reversing
- When either strong automatic braking or
torque control is applied to prevent
collision (in this case, short warning
beeps or continuous warning beeps will
sound)
- When the vehicle is stopped by the
system (in this case, the continuous
beep will remain sounding)
- Object (e.g., a wall)
Detecting range (width): Approximately 6
in (15 cm) outside of the vehicle width
Range that the system cannot detect:
Approximately 20 in (50 cm) behind the
rear of the vehicle
Detecting range (length): Approximately
5 ft (1...
Other information:
When the system monitors that the driver
may be inattentive, it warns the driver.
When the inattentive driving warning activates,
the buzzer sounds and an interrupt
display appears on the combination meter
display.
When the EyeSight system has detected a
vehicle ahead or obstacle in the forward
direction, the inattentive driving warning
may activate at earlier timing than usual...
Perform any of the following operations to
release the Auto Vehicle Hold function.
Depress the accelerator pedal.
Depress the brake pedal again.
Apply the electronic parking brake.
Shift the select lever to the “P” position
with the brake pedal pressed...