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jdhx
Member Since: 16 May 2009
Location: Dorset/Devon border
Posts: 299
  
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Can anyone tell me how HDC is supposed to work on a manual gearbox D4? I drove one today and HDC appeared to be faulty, no lights and no function.
How is is supposed to work, in all gears, only in certain terrain modes, how?
Thanks Volvo XC60 - does all that the D4 should have done
Discovery HSE MY16 (good apart from the heating), now sold
Audi TT Roadster (wow)
MGB Roadster (owned since 1992)
Discovery 3 TDV6 HSE MY08
Saab 9-5 Aero 2002 (gone but not forgotten)
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 11th Nov 2012 9:58 pm |
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Moo
D3 Decade
Member Since: 13 Aug 2010
Location: Wiltshire
Posts: 13912
  
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Manual D4? In may manual D3 it certainly works up to 4th gear not problems. Not tried it in any higher gear.
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| 11th Nov 2012 10:21 pm |
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RRR207
Member Since: 12 Oct 2011
Location: Bristol
Posts: 372
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I can't tell you how it works but it certainly does.
I use it if the need arises & it certainly makes a difference. I tried it with & without on Silverstone's off-road course. Only tried it in 1st but it was slower & more controlled decent with it engaged.
Speedo binicle (R hand side) should have a little picture of a LR going downhill when it is engaged. Nothing fancy, just a simple outline drawing, it's green if memory serves. Nick
2010 D4 ....... now gone and replaced with a 05RRV Autobiography
Member of Wessex4x4Response, (Bristol team)
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| 11th Nov 2012 11:57 pm |
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Russell
Member Since: 24 Aug 2007
Location: Kent
Posts: 10564
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Uses the brakes and applies them like cadance braking to slow you when on hills without locking the wheeels. MY17 D5 1st Edition Namib Orange
MY15 D4 HSE Kaikoura Stone
MY12 D4 HSE Nara Bronze Sold and gone
MY11 D4 HSE Stornaway Grey Sold and gone
D3 S spec Silver Sold and gone
Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
D4 camera club
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| 12th Nov 2012 12:00 am |
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RRR207
Member Since: 12 Oct 2011
Location: Bristol
Posts: 372
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ps: On the occasions I've used it it has always been in 'mud/ruts', I haven't tried it in any other settings so don't know if it works in all. When you engage M/R hill descent is on by default but you can switch it off if you don't want it using the switch below the terrain response dial. Nick
2010 D4 ....... now gone and replaced with a 05RRV Autobiography
Member of Wessex4x4Response, (Bristol team)
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| 12th Nov 2012 12:01 am |
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Peely
Member Since: 12 Dec 2011
Location: Lancs
Posts: 283
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Manual D4 ?
It's all down to the computers !! 
Try putting it in nutral when you're at the top of the decent and taking your feet of the pedals, it works ! .....................but do make sure you ARE in HDC !! 
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| 12th Nov 2012 11:13 am |
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