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Originally Posted by VR Baron
I haven’t checked all the posts, but check your door lock options in settings. Mine was set so you can lock/unlock with the door handle as well as fob from the dealer. I turned off the unlock with door handle option . Even with fob next to door you cannot open the door with the door button. I simulated a broken window by rolling it down ( not sure that replicates it or not) to try to unlock door with the buttons inside the car on the door. Can’t do it. Trunk obviously locked to. If a relay attack is done I have no idea if they can re enable the manual option. And with fob next to door it still won’t open so relay attack would appear not to work. Just keep fob in a faraday pouch. Some thoughts for you all .
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Anyone have any additional feedback or testing on this? Regarding the repeater/transmitter attack if this actually mitigates that vulnerability or not? If it does, it’s certainly worth the loss of convenience. Obviously this doesn’t address the OBDII port vulnerability, but that can have other mitigations.