1.For easy wiring and retention of factory features such as steering wheel controls and chimes i recommend purchasing Gm harness link below. https://www.amazon.ca/dp/B000K50H94/ref=cm_sw_r_wa_apa_glt_i_BV1NJBB044F8KJPDP4C8
2 universal .Android head units can be found online . look for what you’d like on your vehicle. i tried this.
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this is very awesome! thank you!!!!