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Heated screens - auto on?
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Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Waitomo GreyDiscovery 4
Heated screens - auto on?

Since the weather has turned a little colder recently I've noticed a strange thing with the heated screens. Occasionally, both the front and rear heated screens automatically turn themselves on when I start the car in the cold, (even when not needed). Is this normal behaviour or has mine just developed a personality? I can turn them straight off again but it's getting annoying now.
Confused
  
Post #87184516th Dec 2011 6:48 pm
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WOODY179
 


Member Since: 01 Jun 2005
Location: Chesterfield
Posts: 3637

United Kingdom 

both my heated screens are doing the same, each time the ice warning snowflake has been on and its been under 4 degrees.
  
Post #87184716th Dec 2011 6:55 pm
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WOODY179
 


Member Since: 01 Jun 2005
Location: Chesterfield
Posts: 3637

United Kingdom 

Just looked it up in the pdf manual I downloaded and found the following.

Quote:
The screen heaters will be automatically switched on if defrost mode is activated or if the external air temperature is low.


Think its a good idea myself.
  
Post #87184916th Dec 2011 7:03 pm
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devonchilliman
 


Member Since: 03 Nov 2008
Location: Devon
Posts: 5224

England 

Guess what ??

Mine were doing the same today Thumbs Up ,thought I was going mad because I couldn't remember turning them on Laughing

I'm with WOODY179 on this one, also think its a good idea Thumbs Up
 Www.devonchilliman.co.uk  
Post #87185216th Dec 2011 7:10 pm
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APL
 


Member Since: 14 Sep 2011
Location: Europe
Posts: 1130

France 2016 Discovery 4 3.0 SDV6 Commercial XS Auto Firenze RedDiscovery 4

Yes, comes on when outside temp goes below 5 degrees.

It is a good idea. Only thing is, if screen is not covered in ice or outside moisture when they turn on, the inside of the screen can suddenly mist up before the air-con has had a chance to circulate properly, if the heated screen comes on too!
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Post #87192616th Dec 2011 10:03 pm
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Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Waitomo GreyDiscovery 4

Thanks everyone for the reassuring replies... glad it's not just mine. Not sure it's such a good idea if you're only doing short trips though - must put an extra strain on the battery in this weather?
  
Post #87197716th Dec 2011 11:33 pm
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wiggs
 


Member Since: 03 Sep 2006
Location: Manchester
Posts: 14368

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

If your battery was low .. It wouldn't switch on the heated screens ... So no worry there
 G4 Gone ...but not forgotten  
Post #87198116th Dec 2011 11:53 pm
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crews control
 


Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Waitomo GreyDiscovery 4

ahhh, that makes sense, thanks. Thumbs Up
(cleverer than I thought)
  
Post #87198917th Dec 2011 12:26 am
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CraigP
 


Member Since: 22 Feb 2010
Location: East Yorks
Posts: 41

England 2011 Discovery 4 3.0 TDV6 XS Auto Buckingham BlueDiscovery 4

Have you noticed that you get a heat haze through the front screen. The first time i saw it i thought my eyes were going funny. Until i noticed the heated screen had switched its self on.
  
Post #88141210th Jan 2012 3:28 am
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