• How to remove OEM radio refer to: 
  • Chevy Silverado GMC SIERRA 2014 - 2019: https://youtu.be/Et65DJaIdK8
  • CHEVROLET COLORADO GMC CANYON 2015 - 2018: https://youtu.be/-EG56iUCpag
  • CHEVROLET TAHOE SUBURBAN GMC YUKON 2015 - 2020: https://youtu.be/U9zAqAFKy9Q
• To make connections to the head unit, just match connectors and/or labels. If on-screen AC control is not working, check if 8 pin connector with green and green/black or white and white/black wires is connected to the back of the unit.
• No Android unit/third party sound issue: Please refer to this article: https://phoenixautomotivellc.freshdesk.com/a/solutions/articles/36000440809
• No Console MyLink or IntelliLink OEM UI display. Please refer to this article: https://phoenixautomotivellc.freshdesk.com/a/solutions/articles/36000421895
• Screen Parameter Changing for Off-Center Screen: https://phoenixautomotivellc.freshdesk.com/support/solutions/articles/36000124840-screen-parameter-changing-for-off-center-screen
• If the vehicle has OEM rear entertainment system: Make sure to connect the LVDS adapter like a mini USB extender, if you did not mention that you have the rear entertainment system before shipping, we will not include the LVDS adapter, then you can contact us to get one.
• On-screen AC control or Steering wheel control not working: Please check if the cartype and protocol has been setting as the picture below. Also check if the AC connector is connected to the back of the new unit. Steering control also needs the adapter connected properly. The female two pin connector from the adapter needs to be connected to the male one from the yellow connector. Try the other one, if one of the two male two pin connectors is not working.
• To connect aftermarket backup camera or male camera RCA in our harness: Connect to the yellow port on the back of the unit, and set camera type to CVBS. If OEM camera guidelines and backup sensor warning are desired, choose camera type VGA. Please refer to: 
• To connect the aftermarket front and side camera: Connect the RCA cable with the yellow connector:
• The two knobs can independently have customized functions selected from 5 options: Volume, Driver-side Temperature, Passenger-side Temperature, Fan Speed, and Tune. You assign the function you like in the settings.  
• Added some A/C control function for physical buttons for better control. ( For Auto A/C, long press of A/C button will SYNC dual-zone temperature; short press of the button inside the knob assigned A/C control function will activate 'Auto' mode if it's not in 'Auto' mode; it will turn off A/C, if it's in 'Auto' mode, etc. )
• Screen upside-down issue:  https://phoenixautomotivellc.freshdesk.com/support/solutions/articles/36000094307-screen-is-upside-down-touch-controls-is-flipped
• Screen color shows negative: https://phoenixautomotivellc.freshdesk.com/support/solutions/articles/36000114204-color-is-negative