Axxess GMOS-07 GM Non-Amplified Onstar Class II Data Bus Interface 2005-2006 Chevy Equinox / 2006 Pontiac Torrent GMOS Interface designed to allow the replacement of the OEM Radio with an aftermarket unit Retains full functionality of OnStar with adjustable volume output. Retains safety and warning chimes with adjustable level output. Retention of the Retained Accessory Power (RAP) convenience features. Compatible with 2005-2006 Chevrolet Equinox and Pontiac Torrent