Used OEM Auto Part ? GM NG-2.5 HMI Human Machine Interface HMI Module 84364934 ? Tested Functional Condition: Pre-owned genuine part. Tested and in good working condition. Minor cosmetic wear present that does not affect function. Please review photos. Interchange / Compatibility: Will replace the exact same part number only. Not suitable for upgrades or retrofits. Match part numbers exactly to ensure compatibility. VIN PROGRAMMING REQUIRED. Security Notice: All electronic modules are marked with UV ink and/or engraving for fraud prevention and traceability. Important: We may request your VIN or additional vehicle information before shipping. Please monitor your messages and email. ? PLEASE NOTE = The part offered herewith for sale is only as a replacement part, it has been tested and is guaranteed to work however it is not guaranteed to solve your problem, ... you need to find and correct the reason why the previous part failed, otherwise you will soon be replacing the same part again. = This part is not sold for trouble shooting purposes, hence if tampered with, modified or otherwise damaged physically or internally the warranty is void. = This part is not a plug and play, you may or may not need to have it married to your ECU..... i.e. programmed to your car - check with your model. = For warranty purposes the item will be engraved, visually paint marked as well as been marked with an invisible ink only visible under special lighting. Powered by SixBit's eCommerce Solution