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Smart door handles not so good in the cold

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Old 02-22-2015, 08:40 AM
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Ts0
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Originally Posted by mact
Mine work perfectly, even with gloves on. (I have smart touch gloves designed for touch screens)
North Face e-tip's?
Old 02-22-2015, 09:09 AM
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Originally Posted by subterFUSE
Move somewhere warmer. Problem solved.
No doubt - just in the middle of a 3 week road trip to Phoenix and everything on the Q👌.
Old 02-23-2015, 03:44 AM
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Originally Posted by Don Keener
On a little different twist... Ive noticed that when I wash the car (and have the keys in my pocket) the car repeatedly locks and unlocks itself... odd ;>)
Same here Don.
Old 02-23-2015, 05:13 AM
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I've had quite a few issues in the cold. It appears to happen most frequently when it is not only cold, but when there is a lot of moisture on the exterior of the car. It doesn't matter if I use smart gloves or bare hands - it just doesn't sense my finger swipe in certain conditions. Unlocking generally has not been an issue - the issue is the lack of tactile recognition to lock the vehicle.
Old 02-23-2015, 05:18 AM
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Originally Posted by Don Keener
On a little different twist... Ive noticed that when I wash the car (and have the keys in my pocket) the car repeatedly locks and unlocks itself... odd ;>)
Yup. Mine too.

I guess the water triggers the sensor just like a finger does?
Old 02-23-2015, 06:02 AM
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Originally Posted by dcl23
I've had quite a few issues in the cold. It appears to happen most frequently when it is not only cold, but when there is a lot of moisture on the exterior of the car. It doesn't matter if I use smart gloves or bare hands - it just doesn't sense my finger swipe in certain conditions. Unlocking generally has not been an issue - the issue is the lack of tactile recognition to lock the vehicle.
that's about exactly my experience as well.

-A
Old 02-23-2015, 06:12 AM
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Very odd that I have had none of these problems... and it's been cold in Chicago the past 2 winters. I wonder the difference?

I've worked on some designs with capacitive and resistive touch screens and sensors, and they can be a real bear to tune across a lot of different operating conditions. I've always been impressed with how well Audi has done with theirs.

Back to the topic though... I wonder if there is a lot of variability in the door sensors - some work well, some not so much
Old 02-23-2015, 09:52 AM
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Originally Posted by Avant4Adam
Anyone else with the smart key/smart door handles find that the grip-door-handle-to-unlock function doesn't work reliably when the temp gets below about 30 degrees F? Even with a bare hand, which is *cold* when it's 5 degrees out.
i havent encountered this issue yet. i am in Philly and we have had brutal subzero temps - wind chills at -15, but touching the handles to unlock hasnt failed me yet.

Originally Posted by subterFUSE
Move somewhere warmer. Problem solved.
lol. if i lived somewhere warmer, i would not have an AWD vehicle. my daily would probably be a Cayman or a 370Z. so Audi can thank me for living in the Philly area.

Originally Posted by NorthValley
Same here Don.
thirded. i always leave the keys in the car when i am washing it.
Old 02-23-2015, 05:34 PM
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Originally Posted by dcl23
I've had quite a few issues in the cold. It appears to happen most frequently when it is not only cold, but when there is a lot of moisture on the exterior of the car. It doesn't matter if I use smart gloves or bare hands - it just doesn't sense my finger swipe in certain conditions. Unlocking generally has not been an issue - the issue is the lack of tactile recognition to lock the vehicle.
Mine's a 2013 Q5 3.0T. I have the extact same issues. I wondered whether it is me: the temperature of my hands, or the moisture or lack thereof on my hands, or the temperature of the car, static electricity, or what? I have not noticed the issue in warmer weather.
Old 02-24-2015, 04:56 AM
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Originally Posted by mjm3457
Mine's a 2013 Q5 3.0T. I have the extact same issues. I wondered whether it is me: the temperature of my hands, or the moisture or lack thereof on my hands, or the temperature of the car, static electricity, or what? I have not noticed the issue in warmer weather.
My 2013 Q5 3.0T has the same issue. The door handles (all of them) seem less sensitive to my touch. I mentioned this to the dealer and they could not repeat the issue. If there's a single sensor that triggers the locking mechanism, mine is definitely failing to do the job consistently.


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