Subaru WRX & WRX STI Manuals 2017 WRX & WRX STI Owner’s Manual | Page 435

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Starting and operating/BSD/RCTA

! BSD/RCTA approach warning buzzer (only when reversing)
A warning buzzer sounds along with
flashing of the BSD/RCTA approach indicator light to warn the driver of dangers.
The setting o f the warning buzzer volume
can be changed by operating the multi
information display of the combination
meter. For details, refer to “BSD/RCTA”
F3-49.
! Safety tips regarding the BSD/RCTA
approach indicator light/warning
buzzer
. In the following cases, operation of the
BSD/RCTA approach indicator light and
the warning buzzer may be delayed or the
system may fail to issue these warnings.
– When a vehicle moves to the
neighboring lane from a lane next to
the neighboring lane
– When driving on a steep incline or
on repeated sharp uphill and downhill
grades
– When going beyond a pass
– When both your vehicle and a
vehicle driving on a neighboring lane
are driving on the far side of each lane.
– When several narrowly-spaced vehicles are approaching in a row
– In low radius bends (tight bends or

when making turns at an intersection)
– When there is a difference in height
between your lane and the neighboring lane
– Immediately after the BSD/RCTA is
activated by pressing the BSD/RCTA
OFF switch
– Immediately after the shift lever/
select lever is shifted to the “R”
position
– When extremely heavy cargo is
loaded in the trunk
. During reversing, operation of the BSD/
RCTA approach indicator light and the
warning buzzer may be delayed or the
system may fail to issue these warnings
under the following conditions.
– When backing out of an angled
parking space
– When a large-sized vehicle is
parked next to your vehicle (That
vehicle prevents the propagation of
radar waves.)
– When reversing on sloped roads
– When reversing at a high speed

. The BSD/RCTA approach indicator
light may illuminate when driving close to
solid objects on the road or road side
(such as guardrails, tunnels and sidewalls).
. When turning at an intersection in
urban areas, or a multilane intersection,
the BSD/RCTA approach indicator light
may flash.
. If a building or a wall exists in the
reversing direction, the BSD/RCTA approach indicator light may flash and the
warning buzzer may sound.
. In the following cases, the system may
detect a vehicle driving two lanes away
from your vehicle.
– When your vehicle drives on the
near side of its lane from the corresponding vehicle