Heise Axxess Non-Amplified Data Interface with SWC

This GM Data Interface with Steering Wheel Control compatibility is designed specifically for 2019 and newer General Motors vehicles. The interface seamlessly integrates aftermarket audio systems with your vehicle's factory data bus, preserving essential functions like warning chimes, OnStar, and vehicle settings. The included steering wheel control retention ensures you maintain full control of your audio system without taking your hands off the wheel, promoting safer driving. This comprehensive kit includes the main interface module along with necessary harnesses and relays for a complete installation. Measuring 4.1 inches wide by 8 inches tall by 2.5 inches deep and weighing just 0.67 pounds, this compact unit installs discreetly behind your dashboard.

The interface is engineered to work with your vehicle's existing wiring, making the installation process more straightforward for professional installers. Whether you're upgrading to a modern touchscreen system or replacing a worn factory radio, this data interface ensures your new audio equipment communicates properly with your GM vehicle's computer systems.