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Old 11-15-2013, 04:10 PM   #1
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Brake issue...

My brakes seem sticky when I'm on a somewhat steep incline/decline...meaning, when I go from park to drive or reverse, they stick for a second or 2, then I feel them release. Only 13k miles...

Any easy remedies? Other than that, no issues or noises while driving...

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Old 11-15-2013, 04:33 PM   #2
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This is a designed feature to hold the vehicle and prevent slipping backwards. It is described in your manual.
Hill Start Assist (HSA)
The HSA system is designed to assist the driver when
starting a vehicle from a stop on a hill. HSA will maintain
the level of brake pressure the driver applied for a short
period of time after the driver takes their foot off of the
brake pedal. If the driver does not apply the throttle
during this short period of time, the system will release
brake pressure and the vehicle will roll down the hill. The
system will release brake pressure in proportion to
amount of throttle applied as the vehicle starts to move in
the intended direction of travel.
5
STARTING AND OPERATING 421

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Old 11-15-2013, 04:54 PM   #3
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Quote:
Originally Posted by sandbaja View Post
This is a designed feature to hold the vehicle and prevent slipping backwards. It is described in your manual.
Hill Start Assist (HSA)
The HSA system is designed to assist the driver when
starting a vehicle from a stop on a hill. HSA will maintain
the level of brake pressure the driver applied for a short
period of time after the driver takes their foot off of the
brake pedal. If the driver does not apply the throttle
during this short period of time, the system will release
brake pressure and the vehicle will roll down the hill. The
system will release brake pressure in proportion to
amount of throttle applied as the vehicle starts to move in
the intended direction of travel.
5
STARTING AND OPERATING 421
Isn't there an HSA button that has to be activated though?
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Old 11-15-2013, 05:31 PM   #4
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No, its a default on feature. There is a button on the autos for hill decent control.
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Old 11-15-2013, 05:58 PM   #5
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Quote:
Originally Posted by brian d View Post
No, its a default on feature. There is a button on the autos for hill decent control.
Thanks bro. That's what I was thinking of... Thanks to both of you.
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Old 11-15-2013, 06:06 PM   #6
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No problem. If you dont like it, you can do a steering wheel dance to turn it off. I think it is in a sticky somewhere let me look...
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Old 11-15-2013, 06:31 PM   #7
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Quote:
Originally Posted by brian d View Post
No problem. If you dont like it, you can do a steering wheel dance to turn it off. I think it is in a sticky somewhere let me look...
It can also be disabled from the EVIC. the HSA option is available in EVIC when you are in park
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Old 11-15-2013, 09:53 PM   #8
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It can also be disabled from the EVIC. the HSA option is available in EVIC when you are in park
On a 2013?
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Old 11-16-2013, 07:27 AM   #9
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Quote:
Originally Posted by sandbaja View Post
This is a designed feature to hold the vehicle and prevent slipping backwards. It is described in your manual.
Hill Start Assist (HSA)
The HSA system is designed to assist the driver when
starting a vehicle from a stop on a hill. HSA will maintain
the level of brake pressure the driver applied for a short
period of time after the driver takes their foot off of the
brake pedal. If the driver does not apply the throttle
during this short period of time, the system will release
brake pressure and the vehicle will roll down the hill. The
system will release brake pressure in proportion to
amount of throttle applied as the vehicle starts to move in
the intended direction of travel.
5
STARTING AND OPERATING 421

But if no hill, why should it work this way? Anyway I found my brakes is too soft in compare to other Jeeps And cars I drove.
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Old 11-16-2013, 08:39 AM   #10
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The Jeep doesn't know if it is on a hill or not, it just maintains the amount of brake pressure you have applied for a few seconds by default.
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Old 11-16-2013, 09:12 AM   #11
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How does the hill decent control work on the autos. I have it but not sure how to use it and not seeing anything in the manual about it
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Old 11-16-2013, 09:35 AM   #12
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Quote:
Originally Posted by WallyGator215 View Post
How does the hill decent control work on the autos. I have it but not sure how to use it and not seeing anything in the manual about it
2013 owner's manual, pg 470-471:

Quote:
Hill Descent Control (HDC) – If Equipped

HDC is only intended for low speed off-road driving.
HDC maintains vehicle speed while descending hills in
off-road driving conditions by applying the brakes when
necessary.

The symbol indicates the status of the Hill
Descent Control (HDC) feature. The lamp will
be on solid when HDC is armed. HDC can only
be armed when the transfer case is in the “4WD
LOW” position and the vehicle speed is less then 30 mph
(48 km/h). If these conditions are not met while attempting
to use the HDC feature, the HDC indicator light will
flash on/off.

When enabled, HDC senses the terrain and activates
when the vehicle is descending a hill. HDC speed may be
adjusted by the driver to suit the driving conditions. The
speed corresponds to the transmission gear selected.

Gear Approximate HDC Set Speed
1st 1 mph (1.5 km/h)
2nd 2.5 mph (4 km/h)
3rd 4 mph (6.5 km/h)
4th 5.5 mph (9 km/h)
DRIVE 7.5 mph (12 km/h)
REVERSE 1 mph (1.5 km/h)

However, the driver can override HDC operation by
applying the brake to slow the vehicle down below the
HDC control speed. If more speed is desired during HDC
control, the accelerator pedal will increase vehicle speed
in the usual manner. When either the brake or the
accelerator is released, HDC will control the vehicle at the
original set speed.

Enabling HDC

1. Shift the transfer case into 4WD LOW range. Refer to
“Four-Wheel Drive Operation” in “Starting and Operating”
for further information.

2. Press the “Hill Descent” button. The “Hill Descent
Control Indicator Light” in the instrument cluster will
turn on solid.

NOTE: If the transfer case is not in 4WD LOW range, the
“Hill Descent Control Indicator Light” will flash for five
seconds and HDC will not be enabled.

Disabling HDC

Press the “Hill Descent” button or shift the transfer case
out of 4WD LOW range. The “Hill Descent Control
Indicator” light in the instrument cluster will turn off.
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Old 11-16-2013, 01:04 PM   #13
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Quote:
Originally Posted by The_Chief View Post
My brakes seem sticky when I'm on a somewhat steep incline/decline...meaning, when I go from park to drive or reverse, they stick for a second or 2, then I feel them release. Only 13k miles...

Any easy remedies? Other than that, no issues or noises while driving...
Mine used to do that, until I turned off the Hill Start Assist. But that's only avalible on the Manual Transmision vehicals.
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Old 11-16-2013, 06:26 PM   #14
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Quote:
Originally Posted by Pushrod View Post
The Jeep doesn't know if it is on a hill or not, it just maintains the amount of brake pressure you have applied for a few seconds by default.
man, even my iphone know
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Old 11-16-2013, 07:01 PM   #15
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Quote:
Originally Posted by Breitling View Post

man, even my iphone know
I guess the Jeep is smarter than I give it credit. LOL
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Old 11-17-2013, 08:19 AM   #16
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Had a similar problem on a 2012. Took it in to dealer who was going to turn off HSA and Jeep was there 45 days until Chrysler engineer figured out problem. Try the shutoff procedure and see if that works.
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Old 11-17-2013, 09:37 AM   #17
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I guess the Jeep is smarter than I give it credit. LOL
Honestly if we are talking about electronics, computer, stereo, lights etc - it is pretty dumb and slow Bluetooth works but it takes couple of min every time I turn off my engine and turn it back to get back to the song I stopped playing. slow... I know it is Jeep not MB or Lexus, but for this $ we are paying why can't they at least making it as Grand Cherokee electronic wise? I just returned 2011 Grand Cherokee Laredo after lease is over and difference is huge in everything I touch, my 2013 Wrangler is much slower and way more stupid and about 5 years behind electronic wise.

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