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  1. XT5 First Generation Forum - 2017+
    Hi My HMI is down, not working anymore, i need to replace it ...but can t find it , don t know where is located, and can t find online too Please if anyone know, let me where is it located in the car, like that i ll be able to change it Best regards Thanks s
  2. 2014-2019 CTS General Discussion
    My dad purchased a 2016 CTS 2.0 and we pulled the HMI and radio module to upgrade to newest software and get Norwegian language. After re-installing the symbol for climate is greyed out on the head unit. When I press it the following message is shown: "System communications error A...
  3. ATS General Discussion Forum
    I reverse polaritied my car with the battery, and now I have quite the issues to deal with. For starters, the infotainment system stopped working. IO ave gotten an entire new refurbished cue system, but I feel like I might need a new reprogramed HMI, another issue is the power steering is not...
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