Provides accessory power. Designed for non-amplified models. Provides NAV outputs (parking brake, reverse, speed sense). Retains audio controls on the steering wheel. Retains parking sensor chimes. Retains balance and fade. Retains most of the vehicle settings that was displayed on the factory radio. The aftermarket radios backup camera input will be used to display the vehicle settings. If the radio does not have a backup camera Input, then there will be no visualization of the vehicle settings. An externally mounted screen could be substituted in this situation. Micro B USB updatable.