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I'm a diesel mechanic by trade. for anyone curious to disable your cars data collection the OnStar systems easiest. under your passenger dash is a black metal

I'm a diesel mechanic by trade. for anyone curious to disable your cars data collection the OnStar systems easiest. under your passenger dash is a black metal box, usually documented. unplugging the harness and removing it, you can open it to expose a baseboard and a riser. the baseboard is for things like infotainment usually but the riser is your cellular modem. pull it and you'll get a warning light on the dash, but no more data collection. older cars will have a Sim in the riser you can pull if thats less invasive to you. note: OnStar is also disabled and will not dial 911/999 on collision.

vitaflo 4y ago
This is the correct answer. Found this out when I was doing a ham radio antenna install on my car. The shark fin for the XM radio antenna (that I never use) sits on top of a hole in the roof, and a nice hole in the roof is a the perfect spot for a ham radio antenna, so I removed the shark fin. After disconnecting it I noticed it also disconnected OnStar, GPS, etc. It's all integrated into that fin. Once disconnected, the car isn't going to be able to send anything even if it tried. Only question is if your car is gonna bitch at you because it's disconnected (mine doesn't).
eyelidlessness 4y ago
Will it dial 0118 999 881 999 119 7253?
- hun3 4y ago
  For context: The IT Crowd - Series 1 - Episode 2: New emergency number https://www.youtube.com/watch?v=HWc3WY3fuZU https://www.youtube.com/watch?v=HWc3WY3fuZU
nilespotter 4y ago
nichos 4y ago
This really should be a setting in the head unit. Sadly even if it was there, I doubt I would trust it to fully disconnect.