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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #1  
Old 08-10-2007, 09:09 AM
angina angina is offline
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Hill Descent Button

So I have the hill descent button below my climate control console, and according to the manual, if I press the button, an indicator is supposed to light up saying that it is active. However, nothing happens when I press the button! I tried pressing it on a decline hill, and if I am correct, the car should automatically apply brakes or something. But nothing of the sort happens, and the button doesnt light up anything!

Is my hill descent function defective, or am I just not using it correctly? How the heck is this supposed to work?
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  #2  
Old 08-10-2007, 10:08 AM
ycrazyy ycrazyy is offline
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You have to be going relatively slow for it to engage I believe. It is a pretty useless feature IMO.
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  #3  
Old 08-10-2007, 11:45 AM
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kjboyd kjboyd is online now
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I used this this past winter going down an ice covered off ramp in the Sierra... it worked great... but you should be at a stop before you press it.
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  #4  
Old 08-10-2007, 12:23 PM
tonymey tonymey is offline
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When all else fails see your dealer, by the way this is a great feature and it works wonders. I was once on a very steep long incline , the road had about about 8 inch of snow and ice and it took me down the hill without any problems. you could regulate the speed up to 20 mph with the hill decent engage. This is one of those feathers where you never know it's there until you need it.
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  #5  
Old 08-10-2007, 04:21 PM
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AzNMpower32 AzNMpower32 is offline
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You have to be travelling below ~30mph when you push the button. Then you must let go of the brakes and accelerator pedals, and it will slow you down to 3-5mph. At this point, you may control the speed via cruise control buttons, or temporarily accel/decel with the accel and brake pedals. When the HDC button is constantly lit, that means it is kind of in "standby", which means you're probably on the brakes or throttle. When it is active, the LED blinks.

HDC works in both Drive and Reverse. I find it useful for steeper hills during the winter time since it pulsates the ABS for you. I have used it on occasion off-road (gasp!) too and it works well.
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  #6  
Old 08-17-2007, 05:35 PM
dennisuy dennisuy is offline
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so this is best for slippery terrains?...sorry...out here in the tropics....no snow whatsoever....

that's why I really haven't bothered using this feature.....
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  #7  
Old 08-19-2007, 08:12 AM
UUNetBill UUNetBill is offline
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Quote:
Originally Posted by dennisuy View Post
so this is best for slippery terrains?...sorry...out here in the tropics....no snow whatsoever....

that's why I really haven't bothered using this feature.....
I'm sure it would work equally well on slick, wet and/or muddy roads, too.
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