The Axxess AXDIS-GMLN29 is a premium radio replacement data interface designed specifically for select 2006–2023 GM vehicles. Engineered to simplify aftermarket radio installation, this interface retains critical OEM features including steering wheel controls, OnStar®, factory Bluetooth®, warning chimes, backup camera functionality, and retained accessory power while allowing seamless integration of modern multimedia receivers. Built with patented auto-detect steering wheel control technology and support for amplified, non-amplified, analog, and digitally amplified systems, the AXDIS-GMLN29 is ideal for Apple CarPlay and Android Auto upgrades while maintaining important factory functionality and OEM-style operation. Features Radio replacement data interface Designed for select 2006–2023 GM vehicles Retains steering wheel audio controls Retains OnStar® functionality Retains OEM Bluetooth® connectivity Retains factory satellite radio Retains warning chimes Retains R.A.P. (Retained Accessory Power) Retains factory backup camera Retains factory AUX-IN Provides 12V accessory power output Provides navigation outputs: Parking brake Reverse trigger Speed sense Patented auto-detect steering wheel control technology Supports amplified & non-amplified systems Micro-B USB updatable Plug-and-play style installation Specifications Product Type: Data Interface with SWC Retention Vehicle Compatibility: Select GM Vehicles (2006–2023) System Compatibility: Non-Amplified Systems Analog Amplified Systems Digital Amplified Systems Steering Wheel Controls: Retained Accessory Power Output: 12V / 10A Navigation Outputs: Parking Brake Reverse Speed Sense Firmware Updates: Micro-B USB Updatable Telematics Retention: OnStar® Supported OEM Bluetooth® Retention: Supported Compatible Vehicle Brands Chevrolet GMC Cadillac Buick Pontiac Saturn Hummer Suzuki (select GM-platform models) Included In The Box AXDIS-GMLN29 interface module Vehicle-specific harness 16-pin harness with stripped leads Steering wheel control connector Installation instructions Installation Notes Additional dash kit and antenna adapter may be required Some vehicles may require additional harness extensions Professional installation recommended Firmware updates may be required before installation