See also:

Use with a cigarette lighter (dealer option)
To use the accessory power outlet as a cigarette lighter socket, purchase the cigarette lighter plug, which is an optional accessory. A cigarette lighter plug is available from your SUBARU de ...

Fuse panel located in the passenger compartment
...

FM/AM radio operation
Press the “FM” or “AM” button when the radio is off to turn on the radio. ...