XPost: alt.home.repair, sci.electornics.design   
   From: chop654@gmail.com   
      
   On Thu, 29 Dec 2022 10:47:07 +1100, Scott Lurndal    
   wrote:   
      
   > micky  writes:   
   >>   
   >>   
   >> ---- Except, how isthere any signal to pick up unless you are in your   
   >> home pressing the Unlock button on the fob at the same time the thief   
   >> drives by?    I myself dont' bother pressing fob buttons once I've left   
   >> the car, until I want to drive away the next day.   
   >   
   > The key fob and the vehicle routinely "ping" each other when   
   > in range.   This is what allows mere possession of the key   
   > to allow one to unlock the trunk, or fuel filler cover without   
   > any button push on the remote.   
   >   
   > The evesdropper can simply "overhear" the ping and use the data   
   > to capture the necessary bits of the protocol.   
      
   Not with a rolling code system.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)