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The code is a rolling encrypted code, the thieves must be using some sort of rolling code generator and encryption decoder. This might come from someone with inside Lexus technology knowledge or someone managed to reverse engineer the system. The easy thing to say here is the old mechanical key system is more secure but now a days, someone can easily learn how to pick a lock and probably open the car within a few minutes.
Really dependent on area. The concept is the same for most proximity keyed cars. I'm hoping since the NX isn't a high dollar car compared to the GX and LX, it won't be a hit.
This is nothing new. I've seen on the news similar tricks used with BMW's, Benz's, and Audi's. From what I have heard, these kinds of listening tools cannot work on Jaguar/Land Rover.
I also want to mention, if a thief targets your car, consider it gone. Another reason to have good insurance.
Transponder key is constantly emitting signal, trying to "talk" to the vehicle. Currently, commonly used is such communication reader that then transmits code to thief's receiver, which "talks" to the car and door opens. Press Start button et voila...
Readers are small enough to hide into pocket, purse or can read through drywall wall. Say, you sipping coffee at Starbucks, nice girls sits at the same table and places purse on the table. Finishes her coffee, leaves - your car is gone.
This is why now you buy RF blocking wallets. Basically, a Faraday cage around your cards. Or, transponder keys.
[QUOTE=ukrkoz;10687833]Transponder key is constantly emitting signal, trying to "talk" to the vehicle. Currently, commonly used is such communication reader that then transmits code to thief's receiver, which "talks" to the car and door opens. Press Start button et voila...
Readers are small enough to hide into pocket, purse or can read through drywall wall. Say, you sipping coffee at Starbucks, nice girls sits at the same table and places purse on the table. Finishes her coffee, leaves - your car is gone.
This is why now you buy RF blocking wallets. Basically, a Faraday cage around your cards. Or, transponder keys.
Go to min 2:15 here:
In case if you missed the point in the video - car owner kept his car keys in a tin (metal) box, yet the car was "lifted off".
These anti-theft car locking systems are cheap insurance ($19-30), good deterrents, and hard to get past, even if you break the steering wheel. Used when when I lived in east LA, MX City-- never had my car stolen. It takes 5-10 seconds to put on and take off.
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Last edited by ShrinkDoc; Dec 22, 2019 at 11:45 AM.
These are just relay attacks, keep your keys away from your door or turn off the RF by holding lock and pressing unlock 2 times. This is a fairly low range attack so your car and your key has to be in close proximity to one another and in close proximity to the thieves. Usually this works by one guy standing by your car and another guy with a tablet walking around your house trying to grab the key signal, the signal is then amplified and sent from tablet 1 to tablet or device 2 and the car believes the key is within range to unlock and let you start the car. This was popular initially with Tesla vehicles, thats why tesla gives you the option to input a pin before the car will drive away. An easy way to thwart this is to install a hidden fuel pump switch or hidden ignition kill switch. You can also install a secondary immobilzer system that integrates with the can bus like this https://author-alarm.com/production/...t-systems/igla, basically can be setup to allow the car to start if your phone bluetooth is in range.
These are just relay attacks, keep your keys away from your door or turn off the RF by holding lock and pressing unlock 2 times. This is a fairly low range attack so your car and your key has to be in close proximity to one another and in close proximity to the thieves. Usually this works by one guy standing by your car and another guy with a tablet walking around your house trying to grab the key signal, the signal is then amplified and sent from tablet 1 to tablet or device 2 and the car believes the key is within range to unlock and let you start the car. This was popular initially with Tesla vehicles, thats why tesla gives you the option to input a pin before the car will drive away. An easy way to thwart this is to install a hidden fuel pump switch or hidden ignition kill switch. You can also install a secondary immobilzer system that integrates with the can bus like this https://author-alarm.com/production/...t-systems/igla, basically can be setup to allow the car to start if your phone bluetooth is in range.
How do you grab a key fob signal if the keys are inside a medal box such as the OP's case.
How do you grab a key fob signal if the keys are inside a medal box such as the OP's case.
I haven't tried putting keys in a tin box to test if its good enough to block the signal. Theoretically, it should, but its not exactly a faraday cage. Since it didn't look like they entered the car first and then connected to the OBD, the only known hack as far as I am aware, is the relay attack. The op may have forgotten he has a spare key lying around somewhere else in the house, etc.
I haven't tried putting keys in a tin box to test if its good enough to block the signal. Theoretically, it should, but its not exactly a faraday cage. Since it didn't look like they entered the car first and then connected to the OBD, the only known hack as far as I am aware, is the relay attack. The op may have forgotten he has a spare key lying around somewhere else in the house, etc.
Technically, a faraday box should be grounded, I am sure the OP did not ground the box. Tin is a light metal, it will attenuate the signal somewhat but most likely will not completely block it unless the box is grounded.
Thieves Ripping off Lexus's?
