See also:

Acc
In this position the electrical accessories (radio, accessory power outlet, etc.) can be used. ...

Installation of accessories
Always consult your SUBARU dealer before installing a citizen band radio or other transmitting device in your vehicle. Such devices may cause the electronic control system to malfunction if they are ...

XMTM satellite radio (U.S.A. only)
XMTM is a continental U.S. based satellite radio service, which includes music, news, sports, talk and children’s programming. XMTM provides digital quality audio and text information, including song ...