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Hill-descent Control

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#21 ·
Rocal, your theory only applies to manual trans vehicles. Automatics including CVTs have torque converts that allow the vehicle to be stopped (or even moving in reverse) when in gear.

I doubt even the Compass allows HDC with the manual trans and we all know FDII = CVT.
 
#22 ·
:doh:
How dumb am I, eh? I'm forgetting. You'll mostly be driving automatics, won't you. I never even think about anything to do with an automatic. I've only ever driven one over in Texas. I only know one feller over here who drives one!

Rocal
 
#24 ·
I never find driving in the States too bad, PH. I just sit facing backwards in the drivers seat using my wife's handbag mirror to see over my shoulder and turn the wheel with one hand like it was my boat's rudder. No problem so long as I keep the speed below about eighty.

:)

Rocal
 
#25 ·
Hey, I'm with you. I prefer manual trans for most of my vehicles. Automatics make slow off-road situations easier when you can apply brake/accel at the same time. Since I only have 2 feet, manuals are a little harder in those situations.
 
#26 ·
Someone commented that you need to turn off the ESP or the HDC "goes beserk." I understand if you turn it off, you also turn off HDC.

Mine works perfectly in that it holds the speed at steady 5 mph but has loud grinding, cachunking noises. Dealer says the noise can't be right but Chrysler is unaware of any such "noises" with HDC - no problem, no fix.

Anyone else have bad "noises" with HDC? Anyone know of a fix?
 
#27 ·
Only noises I get Grygor are the braking noises... similar to the ABS going off. Probably the same "grinding" noises you describe. The "cachunking" noise, I'm not sure of.
 
#30 ·
It is loud and that takes some getting used to. It does sound kind of crunchy/grindy, but that really is normal.

It's OK for long descents on relatively smooth terrain, but 5mph is too fast for many situations. And on bumpy trails, the combination of the bumps and the HDC brake applications can make for a very jerky ride.

Switching ESP full off disables HDC, but lets you keep in low gear and locked in 4wd.
 
#31 ·
Grygor, I know that feeling, but it really is OK. I know that takes some believing, but it's true. I first encountered HDC on a Land Rover Discovery about ten years ago. When I first heard the very noises you are describing I thought, Jayzes, I've just blown the transfer box to hell and back! When I eased into the dealership at about twelve miles per hour the mechanic went out for a spin with me and said, "Yes? What am I supposed to be listening for?" "What the..! Waddya mean, 'What am I supposed to be listening for?!'" I thought he was taking the **** out of me.
I agree it takes a leap of faith to believe that that can possibly be normal. But it is!

Rocal
 
#32 ·
I've been teaching my wife a little on 4 wheeling. I took here to a local area with a steep hill and dropped it in low and locked it in 4wd. Man it is loud! scared her and she thought it was breaking something.

- Dan M
 
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#33 ·
Thanks, guys!!! I'm feeling much better about it. I haven't used it very much and I don't think I would care to anyway, but its good to know that it doesnt' mean that it will break on me and leave me stranded someplace.
 
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Grygor
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