Subaru Impreza 2008 has resistive steering wheel remote controls. It can be connected directly to CarPC JoyCon EX. This links will help you to install CarpC JoyCon EX for the steering wheel remote controls of Subaru Impreza 2008 http://www.subaruforester.org/vbulletin/727950-post61.html http://www.subaruforester.org/vbulletin/f77/installing-stock-steering-wheel-audio-controls-69816/#post773906 http://www.iwsti.com/forums/gr-i-c-e-security/133987-2008-stereo-install-wiring-diagram.html http://forums.nasioc.com/forums/showpost.php?p=23485534&postcount=21 http://forums.nasioc.com/forums/showthread.php?p=10308972&postcount=11 http://legacygt.com/forums/showthread.php/supermooses-audio-install-picture-heavy-93803.html?s=842e025d22dd2f65f6e1d9598b822673&t=93803 http://www.scoobymods.com/wrx-steering-wheel-impreza-t127.html?s=b6c5b021250bbd49cf4ca2e7c482a5f7&p=18882 http://www.3gwrx.com/forum/index.php?topic=5082.0