โFeb-10-2021 03:31 PM
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โFeb-11-2021 08:12 PM
DrewE wrote:Fisherman wrote:
Well how about asking the people that have their vehicles stolen and shipped overseas never to be found again. We have had a rash of them where the thieves get close to the front door of the house, manage to intercept and clone the FOB and leave with the vehicle. One case was actually video taped and shown on the news.
theft of vehicles
The fobs are not being cloned; instead, it seems they're using what's basically a signal extender or repeater to make the vehicle think the fob is closer than it is, close enough to get it to start. The technical distinction is, of course, of little importance to the unfortunate people who have their vehicles stolen; but it is none the less an important distinction, since the repeater only can work if the fob is not all that far away from the vehicle.
It's not possible to duplicate or clone a fob by listening in on the radio communications between the car and the fob (assuming the system has been designed in anything resembling a cryptographically proper way). It should be possible for car makers to mitigate the relay attack by having quite tight timing requirements for the fob and car communications, such that being sufficiently far away means the signal is delayed too long to be accepted. Even car thieves can't make radio waves travel faster than the speed of light.
โFeb-11-2021 07:05 PM
Fisherman wrote:
Well how about asking the people that have their vehicles stolen and shipped overseas never to be found again. We have had a rash of them where the thieves get close to the front door of the house, manage to intercept and clone the FOB and leave with the vehicle. One case was actually video taped and shown on the news.
theft of vehicles
โFeb-11-2021 06:32 PM
path1 wrote:
After reading this post and three or four other articles...couldn't I just install a hidden toggle switch into starter wire?
โFeb-11-2021 04:37 PM
โFeb-11-2021 09:55 AM
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โFeb-11-2021 08:10 AM
dougrainer wrote:
I have had 6 FOB cars in the past 20 years. ALL require that the FOB RF signal be CLOSE to start and run. The Lexus and Lincoln required the KEY to be in the Ignition with the constant FOB RF sending the signal to START and RUN the car. My other FOB's that have NO KEY, require that the FOB be within a few feet of the Dash Push Button and you must push the Brake Pedal while pushing the Start Button. Just unlocking the Auto with a stolen or hacked RF signal will not get the Auto started. Doug
PS, I leave tinfoil draped over all the headrests and have never had a problem. Make sure you leave the Shiny side UP:B
โFeb-11-2021 07:46 AM
โFeb-11-2021 07:04 AM
โFeb-11-2021 03:42 AM
QCMan wrote:
If they boost the signal to get in and start it , won't it shut off when it gets out of range? Or is that the reason they go slow so the owner can run behind keeping it running?
โFeb-11-2021 03:25 AM