The LANSTAR4 is an OnStar interface for some 2006-2007 GM vehicles with a factory amplifier. Among the functions LANSTAR4 accomplishes are: OnStar integration, vehicle chime integration, ignition source supply for the new aftermarket source unit. If your vehicle does not have a factory amplifier, please see "LANSTAR3". OnStar retention interface for select 2006-2007 GM vehicles with Bose sound system Maintains OnStar integration, vehicle chime retention and ignition source supply for new aftermarket receiver Compatibility List: Chevrolet: 2007 - 2008 Cobalt 2006 - 2008 HHR 2008 Malibu Pontiac: 2007 - 2008 G5 Saturn: 2007 - 2008 Aura 2006 - 2008 Sky Warranty Info: 90-Day Manufacturer's Warranty

The LANSTAR4 is an OnStar interface for some 2006-2007 GM vehicles with a factory amplifier. Among the functions LANSTAR4 accomplishes are: OnStar integration, vehicle chime integration, ignition source supply for the new