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VW MKV-A5 Golf/Jettas Discussions area for A5/MkV Jetta/Golf (2005/2006 PD and 2009 CR).

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Old November 24th, 2010, 14:44   #1
MonsterTDI09
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Default Why at 39 degree?

Why does the temperature warning ding at 39 degree?
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Old November 24th, 2010, 14:46   #2
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You'll also note the snowflake icon pop up on the cluster.

This is an indicator that the conditions are right for there to be icy roads.
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Old November 24th, 2010, 16:08   #3
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Because that's the temperature that VW programmed it to ding at. I'm sure they had 3 research studies that showed that was the optimum temp to use, as well as statements from the VW legal department indicating that that temp represented a reasonable risk for liability exposure from that particular indicator. I'm sure if they left it solely up to the lawyers it would probably go off at around 80 F.

Dan
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Old November 24th, 2010, 16:10   #4
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my heart usually jumps just a little bit when i hear it come on after an hr of driving as i go into a valley near a big river. always worried i"ll look down and see something bad flashing at me.
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Old November 24th, 2010, 16:15   #5
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I would love to turn off the DING.
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Old November 24th, 2010, 17:31   #6
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Yes, I understand the flashing and the snow flake. But I wish i could shut off the ding. lol.
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Old November 24th, 2010, 19:04   #7
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Quote:
Originally Posted by All of Us View Post
Because that's the temperature that VW programmed it to ding at. I'm sure they had 3 research studies that showed that was the optimum temp to use, as well as statements from the VW legal department indicating that that temp represented a reasonable risk for liability exposure from that particular indicator. I'm sure if they left it solely up to the lawyers it would probably go off at around 80 F.

Dan
I don't believe this is some sort of arbitrary choice. I think any time you're below 40f, there is a risk of ice formation on overpasses. Of course, there needs to be sufficient moisture present, but I'll bet it's a bit more complicated to combine a moisture sensor and a temp sensor together.

I'm always very happy to have the warning, and when driving a car in the winter w/o the temp sensor/warning, I find myself a little anxious about the road surface.

Just my 2-cents...
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Old November 24th, 2010, 19:21   #8
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I want a "There's a deer in the woods beside the road ahead" light on the dash.
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Old November 24th, 2010, 19:28   #9
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Quote:
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I want a "There's a deer in the woods beside the road ahead" light on the dash.
LOL. A friend of mine got 3 deer, 2 with the gun and one with his 2009 Ford F150. Pushed the right front end close to the firewall. Was a 10 pointer he hit, and then someone took the deer after he went back for it.

A safe and Happy Thanksgiving to all.
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Old November 24th, 2010, 19:44   #10
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Quote:
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LOL. A friend of mine got 3 deer, 2 with the gun and one with his 2009 Ford F150. Pushed the right front end close to the firewall. Was a 10 pointer he hit, and then someone took the deer after he went back for it.

A safe and Happy Thanksgiving to all.
that's called 'getting even'.

Happy Thanksgiving to all my fellows TDI drivers (we had our turkey last month!)


and don't forget to go shopping on Friday, either buy something for your car or nothing at all!
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Old November 24th, 2010, 20:03   #11
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A deer waring wood be cool.The ding drives my wife nuts I guess there is no way to turn off.
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Old November 24th, 2010, 21:06   #12
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39 F and ding and snowflake means be aware of black ice
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Old November 25th, 2010, 04:58   #13
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Did someone say dear? My 87-year-old dad and very recently deceased uncle were reminiscing recently. They confessed to an incident in their early years (both were avid hunters, west of Denver).
Early one hunting morning, they encountered a dear standing in the middle of the road they were traveling. They looked at each other, shrugged, and gunned the engine, taking out the dear (and a headlight and fender). As they got out to snag it, a second vehicle came up behind them, spooking one of them into the bushes, the other driving on with the car.
Well, the second vehicle stopped, 2 hunters got out to check out the freshly killed dear, threw it into the back of their truck, and took off!

Happy Thanksgiving everybody!
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Old November 25th, 2010, 07:38   #14
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in germany water freezes at 39
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Old November 25th, 2010, 10:00   #15
vw_sportwagen_mn
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My engineering classes taught me that water freezes at 32, but once you get below 40 (ie 39) water changes properties rather quickly.
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