[s-cars] OmniRemote and UrS4 IR keys

[Mark Strangways]

That explains a few things...
Also the system deliberately forgets the code after a week or so.

Just open the door with the key and lock with the IR remote.
Mark
----- Original Message ----- 
From: "Franco Barber" <feb at febsun.cmhnet.org>
To: "Marc Gorelick" <marc at frogville.net>
Cc: <s-car-list at audifans.com>
Sent: Sunday, May 09, 2004 1:10 AM
Subject: Re: [s-cars] OmniRemote and UrS4 IR keys


> On Sun, May 09, 2004 at 12:04:11AM -0400, Marc Gorelick wrote:
> > My theory is that there is some sort of rolling-code or other security
> > system in the key--something that would keep a learning remote from
working
> > more than one time.
>
> It is a rolling code.  There is little information available, but the
> hints from the warnings in the owners manual tell you that the code
> transmitted has a rolling part that advances each time you press the
> button on the remote.
>
> The owners manual warns you that if you press the button on the remote
> key too many times while you are away from the car that the car might
> not recognize the remote key the next time you try to use it on the car.
>
> In that case, you can re-sync car and key by going through a simple
> re-sync process.  A different process than that which is
> needed to add a new remote key in the first place.
>
> Franco
>
>
> -- 
> Franco Barber                   feb at febsun.cmhnet.org
> 95 A6Q w/Gamma CD mit RDS!      Columbus, Ohio  USA
> 95 A6Q 5spd w/HCB-30 bluetooth car kit!
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