this post was submitted on 22 Jan 2026
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Cars - For Car Enthusiasts
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There are delete/bypass boxes available on the aftermarket, and some models can be directly unplugged with no side effects (other than Emergency Response or Onstar not working).
Where?
For Subarus, I found this.
https://www.geraldjustprojects.com/product/dcm-delete-module-gen2/
I had to use this on my car because the speakers are routed through the DCM module. Not every vehicle requires a delete kit or replacement module, but some do. As with any aftermarket car modifications, check the year, make, and model for compatibility.
In general, looking for “Onstar/DCM delete” tends to work.
Thats really good for folks to know, thanks for mentioning it!
Simply unplugging the cell antenna is probably enough.
But on my Outback I had to get a custom adapter made to bypass the box, and keep my front speakers and mic. It cost maybe $80 for the whole custom adapter to be made for me so it was plug and play, but well worth it.
Yep. Explained in another reply above, but I had to do the same thing on my Subaru-manufactured car.