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  #1  
Old 04-24-2010, 11:57 PM
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Default Hill Start assist

What is the hill start assist set up for in the MDS?
I have it checked on but have no idea what it's for
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Old 04-25-2010, 12:03 AM
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I am guessing it helps you start your truck on a hill haha.

It must do something to help you go uphill when your towing or something else uphill
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Old 04-25-2010, 01:44 AM
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First I've heard of it actually. My guess would be that as the truck feels an incline (through a gyro/gimble maybe?) it adds more power or disables the MDS so you climb the hill without having to gun it half way through and burn more fuel. I know the new F-150s have this feature, so I wonder if this is the RAM equivalent.
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Old 04-25-2010, 09:51 AM
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Check page 352 of your owners manual.


Hill Start Assist (HSA)
The HSA system is designed to assist the driver in
launching a vehicle on an incline. HSA will maintain the
level of brake pressure the driver inputs for a short
duration once the driver takes his foot off of the brake
pedal. If the driver does not apply the throttle during this
short duration, the system will release brake pressure
and the vehicle will roll down the incline. The system will
release brake pressure in proportion to the amount of
throttle applied.
During operation, HSA will activate the brake control
system and a clicking noise may occur. If your foot is on
the brake pedal during operation you may feel a slight
pedal movement. The clicking and pedal movement is
normal and both will stop when HSA becomes inactive.
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Old 04-25-2010, 09:51 AM
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My understanding (from glancing through the owner's manual/CD is that Hill Start Assist is just that
when it's turned on (it can be turned off with the EVIC). If the truck sensing that you're starting on an incline (not sure how it does this) it will delay in fully releasing the brakes. I'm not sure of the exact amount of time/ brake pressure involved, but that is my understanding of how it works. It's very similar to the system used in the Challengers with a manual tranny (I think we've all encountered on hill roll back with a manual tranny to some extent).

Someone else feel free to jump in to either correct my screwed up understanding, or expand upon what I got correct D:

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Old 04-25-2010, 10:00 AM
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I wonder if it's better to keep turned on or off.
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Old 04-25-2010, 10:11 AM
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Quote:
Originally Posted by Excoastie View Post
My understanding (from glancing through the owner's manual/CD is that Hill Start Assist is just that
when it's turned on (it can be turned off with the EVIC). If the truck sensing that you're starting on an incline (not sure how it does this) it will delay in fully releasing the brakes. I'm not sure of the exact amount of time/ brake pressure involved, but that is my understanding of how it works. It's very similar to the system used in the Challengers with a manual tranny (I think we've all encountered on hill roll back with a manual tranny to some extent).

Someone else feel free to jump in to either correct my screwed up understanding, or expand upon what I got correct D:

Exco
You got it ! It prevents you from rolling back on a hill by keeping the brakes on for a couple of seconds until you apply the throttle enough to overcome the roll back. I have actually experienced it already and it works great.
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Old 04-25-2010, 11:29 AM
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Default

I leave mine on all the time, doesn't hurt a thing. You can actually hear the brakes release when you hit the gas when it is activated. Probably the thump people complain about when they take off.

Was thinking I read that the Challenger stick had this also. Would be nice on a hill to start off as it wouldn't roll backwards.
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Old 04-25-2010, 11:55 AM
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I push the skinny pedal


 
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That would be a nice feature if you lived in a really hilly area. People in San Fran would be lining up if this was availiable on a prius... wait, I guess it is, they just leave the brake off and let the stuck gas keep it in place
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Old 04-25-2010, 01:34 PM
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So is this a manual trans feature only? I know Subaru had this on their manual trans cars.
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