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:
WARNING
If you wear an implanted pacemaker
or an implanted defibrillator, perform
the procedure described in
“By operating the driver’s door” to disable the keyless access
function. If you perform the procedure
described in “By operating the
access key fob”, the operation
of an implanted pacemaker or
implanted defibrillator may be affected
by the radio waves from the
transmitter antenna...
Use windshield washer fluid. If windshield
washer fluid is unavailable, use clean
water.
In areas where water freezes in winter, use
an anti-freeze type windshield washer
fluid.
If you fill the reservoir tank with a fluid with
a different concentration from the one
used previously, purge the old fluid from
the piping between the reservoir tank and
washer nozzles by operating the washer
for a certain period of time...