Axxess Interface - Official Site Keep your factory steering wheel controls with Metra's ASWC-1. Easy to install with an aftermarket radio, easy to program with our auto detect feature. Download the App to update any current Axxess interface from the convenience of your Android or iOS based smart phone or tablet. The app will auto-detect the interface, scan the currentInstructions · Updater Software · Updater Tools · Videos · Aswc-1 · Products[PDF] INSTALLATION INSTRUCTIONS ASWC-1 ASWC-1 Axxess – Introduction to the ASWC-1 Interface and Wiring Harness. 4-5 ASWC-1 Installation Metra recommends disconnecting the negative battery terminal before beginning any installation. All accessories, switches, and especially Please check first with Axxess Tech Support department at 1-800-253-TECH, as we may have this information.