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      07-02-2009, 09:50 AM   #1
test123123
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Automatic brake going down hill

My X5 seems automatically brake when going down hill. But I have not activated HDC on my X5. HDC light is off.
Any ideas of what is causing this?
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      07-03-2009, 07:32 AM   #2
Deda
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engine or brakes?
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      07-06-2009, 07:52 PM   #3
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i thought it was on by default and the lack of the light means its not turned off?
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      07-06-2009, 08:09 PM   #4
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I assume cruise control is off.

Active cruise maintains speed and will brake as needed to prevent over speed.

The 4 wheel drive system can feel as though braking is occuring but it is just the torque resistance.

Hill descent control only works at low speeds so I doubt that is the issue.

Try putting the car in neutral when going down hill, the car should release and go freely downhill.
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      07-08-2009, 02:10 AM   #5
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my mistake. the HDC is not on by default i was thinking of something else. but it shouldnt be the hDC that is causing your braking during downhill b/c HDC slows your car to a constant 3-6 mph speed, unless you'er car goes that slow every time you go down a hill, shouldnt be that
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