Subaru 2003 Impreza - Manual (Page 211)

IMPREZA(NA) A1850BE-A (ENGLISH)
Interior equipment
6-8
D Take care to avoid spills. Beverages, if hot,
might burn you or your passengers. Spilled
beverages may also damage upholstery, car-
pets or audio equipment. Accessory power outlet
J In the luggage compartment
(if equipped)
Electrical power (12V DC) from the battery is on tap
at the socket when the ignition switch is either in the
“ACC” or “ON” position.
You can use an in-car use electrical appliance by
connecting it to the accessory power outlet.