Subaru WRX 2018, Owner'S Manual, Page: 421 / 572

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
Vehicle conditions
–
The vehicle is significantly in-
clined
–
The ground clearance is signifi-
cantly reduced due to the vehicle
’
s
loading condition, etc.
–
When the sonar sensor is mis-
aligned due to a collision or an
accident
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)
–
The path of the reversing direc-
tion is inclined such as on a steep
uphill
–
A curb is present in the reversing
direction
–
When reversing downhill
Starting and operating/Reverse Automatic Braking System
–
CONTINUED
–
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