Subaru Forester: Connecting a trailer / Side mirrors

After hitching a trailer to your vehicle,
check that the standard side mirrors
provide a good rearward field of view
without significant blind spots. If significant
blind spots occur with the vehicle’s standard
side mirrors, use towing mirrors that
conform with Federal, state/province and/
or other applicable regulations.
CAUTION
Direct splicing or other improper
connection of trailer lights may
damage your vehicle’s electrical
system and cause a malfunction of
your vehicle’s lighting system...
Other information:
When backing up the vehicle, the front
passenger’s side outside mirrors will turn
downward automatically to provide better
rear visibility.
Push the ignition switch to the ON
position.
Move the select lever to the R (Reverse)
position.
The outside mirror angle moves downward...
BSD/RCTA temporary stop message due
to reduced radar sensitivity
BSD/RCTA OFF indicator light
This display appears when the detectability
of the radar sensors is reduced. Once
the condition is corrected, the system will
recover from the temporary stop condition
and the indicator will disappear...