How to set panel buttons and rotary knob protocol on xy auto 9211 9212 android car headunit player

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[@zezolord4549]

hello, I'm trying to learn the keys but nothing happens. It always says key learning failed. Can you help me? I think the keys have lost their ad value

[@mohammadabadi9003]

Did you manage to figure it out?

[@zezolord4549]

Unfortunately not yet.