Metra Metra GM MOST(r) Amplifier Interface 2014-Up

* Provides accessory power (12-volt 10-amp) * Used in amplified systems * Provides NAV outputs (parking brake, reverse and speed sense) * Pre-wired AXSWC harness (AXSWC sold separately) * High-level speaker input * Retains balance, backup camera, warning chimes and OnStar® * Retains factory 3.5mm AUX-IN jack * Micro-B USB updatable * Retains backup camera