Originally Posted by y_p_w
Originally Posted by emg
Originally Posted by Donald
I have also read than many cars (or some at least) with push button start, the owners just leave the keyfob in the car as a matter of habit. Although I do not know how you could lock the car with the keyfob in the car. But that is what I read. These cars are now getting stolen.
You don't need the key fob, you just need a signal repeater.
From what I've read, the cars that use an immobilizer and still require the key in the ignition are the hardest to steal, while the new keyless cars are easy to steal if the crooks are willing to go to those lengths to steal it. Unless the car has technology to prevent it, if the thief can get a repeater near your key fob, the car is theirs... but that does require knowing who owns the car they plan to steal.
As for the older vehicles, I remember opening the door of my friend's Ford with my Lancia key one time, and he started a bulldozer with his Ford key. I'm guessing those were the kind of locks that unlock just as well with a screwdriver as a key.
Don't a lot of these systems use rolling codes like a newer garage door opener? Or even like credit card authentication?
That's how the repeater works. The car will unlock once it detects the key is a few feet away. With the repeater, they have to be close enough to your key to capture the signal and then repeat it near the car so that the car thinks the key is next to the car when it's actually in your house. You can either put your key fob in a faraday cage to defeat this or on the keyfob in a Mercedes, if you hit the lock button twice, it disables the keyless go feature and it won't broadcast no matter who is close. I don't bother as my car is in a parking lot and you'd have to be outside my bedroom window in order to steal the code and I'm a few stories up. Plus that's what insurance is for and the parking lot also has cameras. I think you'd worry about it if you're parked in the driveway and you keep your keys near the door. And yes, you can't lock the keys in the car as it detects the keyfob. Only way to lock the keys in the car is to put the keys into an antistatic bag which usually doubles as a farday cage or disable the keyfob by hitting the lock button twice. But a car that is stolen with the keyfob in the car is the same as someone just leaving the keys in the car. That happened in a previous job, the owners use to park in front and leave the keys in the ignition. I didn't have my car with me one day and they just told me to take theirs which was parked out front. I asked where the keys were and they acted like it was a silly question, it was in the ignition. A few times I'd walk by and just check and yep, they always left the keys in the ignition. And while I was there, no one ever stole their car.
. At one point she had us going 65 mph on this dry lake!
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