Always disconnect the negative terminal of your car battery before touching any wiring.
The unit comes with a "SWC" cable. It can learn almost any button protocol from your factory steering wheel. You can map Volume Up, Next Track, Voice Assistant, or Answer Call to your steering wheel buttons. nwd k2501-t5- android 11
: The "K2501" designation refers to the specific board and firmware platform, often using the Allwinner T5 Always disconnect the negative terminal of your car