Join Date: Jul 2014
Location: Greenville, SC - USA
Mentioned: 9 Post(s)
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Welcome to the forum - hope you come back too -
I think what happened in your case is also a 'feature' but not sure if the way you did it would or could be considered as such. Here's what I think. When you unlock the car, it is imagining that you will shortly open the driver door first - as most folks normally would. If you have the car set in the driver door mode, the rest of the doors remain locked. And you would normally have to unlock them with a second open command, either from the fob, or the inside door unlock button. A second swipe of the door handle will re-lock the car. Now, once the driver door is unlocked, you have about 20-30 seconds to open THAT door. If you fail to do this, the car will re-lock itself to protect itself from an unintended or delayed by other circumstance (car jacker interrupting you for example) unlocking. So, if you have the car set to open all doors when you unlock it, and STILL do not open the driver door first, whilst opening a rear door within that 20-30 sec time, it is possible to re-lock by itself. I don't think a software update will fix this - as it will be recoded to behave the same way. Now when you do what I just described, your key NOW in the back seat, may be outside the recognized zone and could be subject to being ignored - ALTHOUGH I do NOT think this is normally possible.
Lastly, while not normal (meaning the dealer is not likely to help you with this) I think that the re-lock delay timing can be either adjusted or bypassed, but not within the MMI system, rather thru external (e.g. VCDS) coding. Meanwhile, I'd leave the car set to unlock ONLY the driver door (you can do this in MMI) so that in order to unlock the others, you'd almost always have to open the driver door (satisfying that delay interrupt) and using the unlock button on the inside of the door. btw, I believe the second fob push to unlock the rest of the doors also satisfies the delay interrupt...
- Roger _______________________________________
2014 R8 V10+ 6MT, Daytona Gray Pearl/Black w/Diamond Stitching
2015 Q3 2.0 Quattro Prestige S-line, Tundra/Chestnut
2016 TTS, Nano/Express Red