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Heated screens - auto on?
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Member Since: 18 Mar 2007
Location: Hampshire
Posts: 1975

United Kingdom 2011 Discovery 4 3.0 SDV6 Landmark LE Auto Fuji WhiteDiscovery 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 #871845Fri Dec 16 2011 6:48pm
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WOODY179
 


Member Since: 01 Jun 2005
Location: Chesterfield
Posts: 2294

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Nara BronzeDiscovery 4

both my heated screens are doing the same, each time the ice warning snowflake has been on and its been under 4 degrees.
  
Post #871847Fri Dec 16 2011 6:55pm
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WOODY179
 


Member Since: 01 Jun 2005
Location: Chesterfield
Posts: 2294

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Nara BronzeDiscovery 4

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 #871849Fri Dec 16 2011 7:03pm
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devonchilliman
 


Member Since: 03 Nov 2008
Location: Devon
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England 2011 Discovery 4 3.0 SDV6 Landmark LE Auto Santorini BlackDiscovery 4

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
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Post #871852Fri Dec 16 2011 7:10pm
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APL
 


Member Since: 14 Sep 2011
Location: Western Dublin
Posts: 457

Ireland 2009 Discovery 4 TDV6 Commercial Manual Rimini 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 #871926Fri Dec 16 2011 10:03pm
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crews control
 


Member Since: 18 Mar 2007
Location: Hampshire
Posts: 1975

United Kingdom 2011 Discovery 4 3.0 SDV6 Landmark LE Auto Fuji WhiteDiscovery 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 #871977Fri Dec 16 2011 11:33pm
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wiggs
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United Kingdom 2011 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
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Post #871981Fri Dec 16 2011 11:53pm
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crews control
 


Member Since: 18 Mar 2007
Location: Hampshire
Posts: 1975

United Kingdom 2011 Discovery 4 3.0 SDV6 Landmark LE Auto Fuji WhiteDiscovery 4

ahhh, that makes sense, thanks. Thumbs Up
(cleverer than I thought)
  
Post #871989Sat Dec 17 2011 12:26am
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CraigP
 


Member Since: 22 Feb 2010
Location: East Yorks
Posts: 9

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 #881412Tue Jan 10 2012 3:28am
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