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Old 03-27-2014, 02:39 PM   #1
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Default Convenience touch key dont work anymore

I was away for 3 days, now suddenly it doesnt work anymore when i touch the handle. I read the manual, it says system deactivated the convenience feature to save battery. Just wonder how long until it back to normal operation. Thanks!
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Old 03-27-2014, 02:47 PM   #2
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Run all windows full down then full up w/ switches. That should reset it.
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Old 03-27-2014, 02:52 PM   #3
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still dont work...
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Old 03-27-2014, 02:53 PM   #4
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one by one, or all windows at the same time?
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Old 03-27-2014, 03:17 PM   #5
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Default Now I realize you mean the lock function...

One touch window up-down function was what I described.

Try simply driving and getting battery charged up again. It should return with an adequate charge; this is one of the early things the power management system shuts down if it senses a declining battery charge.

bigger picture though, if you left nothing on, a battery should easily hold almost all of its charge for three days. If not, either suspect a failing battery or some other current drain.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt)
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 03-27-2014, 03:49 PM   #6
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Thanks, still doesnt work. Gonna call dealer and see if they could reset it.
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Old 03-27-2014, 05:58 PM   #7
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Its weird, tailgate working perfectly. Any ideas?
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Old 03-27-2014, 06:26 PM   #8
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Make sure the second key isn't in the car. See if the other one works better. See if the car will start based on key proximity, or if it's just the central locking. Drive it around the block. Check again.
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Old 03-27-2014, 06:50 PM   #9
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Another key doesnt work. Remote unlock/locking work as well as keyless start. I guess one of sensor went haywire like mentioned in Audizine.
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Old 03-27-2014, 08:13 PM   #10
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Your cell phone should NOT be in the same pocket with the key, or you will get inconsistent results.

Also, I made a mistake once after being away from the car for a while... Remember that you cannot rest your thumb on the square "pad" while OPENING the car. That will prevent the door from unlocking. Don't touch the pad while opening.
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Old 03-27-2014, 08:13 PM
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