The GMOS-LAN-012 is designed to retain Onstar/ OE satellite and retain the warning chimes that are normally lost when the OEM radio is removed.

Provides a 12 volt accessory output for aftermarket radio operation.

The GMOS-LAN-012 also provides a mute/ parking brake/ vss or speed sense and a reverse output to make installing an aftermarket navigation radio simple and less time consuming.