This Perfect Fit package lets you install an Alpine iNA-W900BT or iNA-W910 navigation receiver in your 06-Up Gm truck or SUV while keeping your factory look and feel.This package includes a custom dash adapter that"s specially designed to make the Alpine receiver look right at home in your GM car or truck. Alpine has made hookup easy too - the included wiring harness plugs directly from the Alpine receiver into your GM"s factory wiring harness - no splicing or soldering needed. Also included is a steering wheel audio control interface - no programming necessary, just plug it in & go. Note: This Perfect Fit package will allow you to control the Alpine receiver with the steering wheel audio controls in your vehicle. It will not retain the factory Bluetooth functionality on your steering wheel, including SYNC and hands-free phone calls. It will not work with factory Sirius and XM satellite radio tuners.