Subaru Impreza Manuals 2015 Impreza Owner's Manual | Page 274
5-4 Audio/Audio set & Audio set The audio set will operate only when the ignition switch is in the “ACC” or “ON” position. NOTE HD Radio Technology should be included as feature.
Subaru Impreza Manuals 2015 Impreza Owner's Manual | Page 273
Subaru Impreza Manuals 2015 Impreza Owner's Manual | Page 275