Couple of months prior, I read an article on Mozilla, where they did a research on automakers and found none comply to good privacy measures. I am planning to buy a used car. I want to know how the data is collected and transmitted.

The car comes with a connected app though I am not planning to use it. It also has apple car play and android auto. Should I use those? The article states some manufacturers even records sexual activities. How are they transmitting these informations? Through connected phones?

My use is fairly basic, I want to use the Bluetooth audio system in the car for listening to music on my phone. I use maps on my phone.

What about car servicing? Can they access stored information?

  • TechNerdWizard42@lemmy.world
    1·
    4 months ago

    You cannot stop the collection. It ALWAYS collects. It may not transmit, even if connected. For example the black box in many cars is really an assortment of ECUs that contain fine grained historical data. It does eventually roll over and get replaced but the data is there.

    For example there are public cases you can find where the police, not even needing a warrant, were allowed to dump this data off of a rental vehicle that a suspect, not convicted just suspected, was thought to have been in. Of course the copaganda story showed that they the used this data which was mostly location by gps and speed by the wheel sensors and gps to get a track of everywhere that vehicle had been in the last 6 months. Every person who rented it and drove it somewhere had their privacy violated. But I guess that’s normal now.

    The infotainment systems are the biggest jerks for data storage as they’re just mini generic computers today with lots of storage.

    To stop wireless transmission you can remove the sim card from the modem. Many vehicles won’t work or even start if the modem is disconnected (unplugged or unfused). A Nissan for example will drain its 12v battery overnight trying to find the modem if it is unplugged. But if the sim is bad or disabled, it will try and fail to communicate, then retry later which won’t kill the battery.

    You lose a lot of convenience and the data is still there. So the answer is basically you can’t drive a new vehicle without it violating your privacy with collection. You can only make the wireless transmission more private or disabled. I suppose you could buy a scanner yourself and before you leave the vehicle, factory wipe all ECUs. But even then you’ll need to enable them for emissions testing and such if that’s in your area.

  • Steve@communick.newsEnglish
    0·
    4 months ago

    The situation here is rather bleak really.

    Generally these cars have their own always on cellular data connection paid by the manufacturer. So they don’t depend on. Your phone for anything.

    What they do is record and transmit any sensor data they can. The sexual activity you mentioned, comes from the sensors in the seats that are required to activate seatbelt warnings, or disable the airbags if a child is in the seat. Data from those pressure sensors can be used to determine if there’s a certain kind of rhythmic motion happening in a given seat.

    They also collect any and all data they can from devices they connect to. Like phones. So don’t use carplay, or android auto. Don’t use their app. When using Bluetooth audio don’t give permissions to make calls or access contacts.

    It should be possible to physically disable the onboard cellular radio. That will prevent any live data tracking. Exactly how depends on the specific car you’re looking at.

    I would assume the dealer can access and download the data manually. Use private non-dealer repair shops for any regular maintance or any repairs possible.

  • halfwaythere@lemmy.worldEnglish
    0·
    4 months ago

    You could get yourself a RF analyzer or an old Hammy (Ham radio enthusiast would likely have something you could borrow)and find out what they are using then that would allow you to figure out your options such as removing the antenna, sim card, or the module in some manner. The problem with removing modules could be they are tied into the cars electronic controller which could cause issues with the car even working.

    • potatopotato@sh.itjust.works
      0·
      4 months ago

      RF analysis is kinda difficult, you’d need to take the car out into the middle of nowhere and have access to fairly good equipment. A tinySA would maybe work if you’re very patient but data transmissions are generally very bursty so it may be difficult to nail down where it’s coming from in a sane amount of time.

      One option would be to try to figure out if there are any FCC filings for your car. All filings will have pictures of whatever module is being used and what antenna systems it uses which may give you a good idea of where it is and what it looks like. There should be an FCC ID mentioned somewhere at the beginning or end of the cars manual. Googling that should bring up some stuff.