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aftermarket keyfob ?

saw this while flying home tonight in one of those magazines they give you to keep you distracted from the fact that you're tearing through the atmosphere at 500+ mph in a tin can:

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Here's an excerpt:

-------- _The Car Alarm Remote Duplicator._ Imagine the jam you'd be in if your car alarm remote were broken or lost ... The Autobahn is compatible with any system. Just place your existing remote next to the Autobahn remote, press the alarm, keys and match the frequencies. Presto! You have a new remote with all the same functions. Universal Remote Control Alarm/Door Key

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IIRC, Saturn RKE systems use a rolling code, similar to modern garage door openers - which means that you can match the frequency all day long and nothing will happen except to lockout the RKE system for a few minutes because of multiple failed attempts on the frequency it is waiting for a code from?

Is the rolling code thing a myth? Is it easily mimiced or duplicated as this product describes?

-rj

98SL2
Reply to
richard hornsby
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...almost as much fun and finding an older Isuzu Trooper in the parking lot and pressing my OEM remote buttons and hearing the Trooper set its alarm off... (grin)

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Reply to
Jonnie Santos

Maybe on some car ALARM systems this would work (though it would have to be pretty cheesy), but I can't see how this would work with an RKE system. The data sent by the remote on one unlock command does not give you any information about what should be sent to unlock the doors again.

Reply to
Robert Hancock

According to the owner's manual on my '01 lw300, there is a different code every time the button is pressed. This makes it harder on the bad guys since they can't just sit in a busy parking lot with a scanner and record codes (to play back later and get access to your car). The manual has a section on re-synchronizing the fobs if they ever get out of whack. Oppie

Reply to
Oppie

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