Axxess AXGM-07 Data Interface - Compatible Fits for Select GM Models 2005-2006 The AXGM data interface retains OnStar® and provides the warning chimes that are lost when the factory radio is replaced. A 12-volt 10-amp accessory output to install a navigation radio is also provided. This interface is for select non-amplified GM vehicle and includes the vehicle-specific harness. Details of what features your vehicle-specific AXGM package offers can be found in this section. Check our Vehicle Fit Guide to see if an AXGM integration solution is available for your vehicle as this product is dependent on the vehicle application. Features: Designed for non-amplified systems or bypassing a factory amplifier Provides accessory power (12-volt 10-amp) Retains R.A.P. (Retained Accessory Power) Provides NAV outputs (parking brake, reverse, mute, and speed sense) Retains chimes Retains OnStar®/OE Bluetooth® connectivity Adjustable gain control for chimes and OnStar® Retains balance & fade USB updatable Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.