Subaru WRX & WRX STI Manuals 2018 WRX & WRX STI Owner’s Manual | Page 421

Starting and operating/Reverse Automatic Braking System
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 is 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 (trai-
ler hitch, bicycle carrier, bumper
guard) are attached
– Parts that emit high frequency
sound, such as a horn or speaker,
are attached
Surrounding environment
– A cloth banner, flag, hanging
branch or railroad crossing bars
are present in the reversing direc-
tion
– 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 tracks or a hole is present
in the ground of the reversing
direction
– When reversing over a drainage
cover (grate cover)
7-69
– The path of the reversing