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Old 07-29-2014, 11:33 AM
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auto dim high beam feature

Hi all, last week I attempted to use the auto dim high beam feature, but I'm not sure if it worked or not. lol. What actually happens when this feature actually works? What lighting conditions need to be occurring for this feature to work?

My thinking was I could test it out on this on a night drive down a dark road (no street lamps at all). So thats what I did, I turned on my high beams, then drove and even though cars were coming at me (two lane road, one direction each way), I did not notice the high beams dim or notice the mechanical blocker move down to low beam mode.

Can someone please clarify how this feature operates?

Thanks!
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Old 07-29-2014, 11:36 AM
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Re: auto dim high beam feature

You need to manually turn on the high beams. Then the system dims them when a car approaches and turns them back to high when it passes.

The system has to be turned on in the uConnect screen.


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Old 07-29-2014, 11:42 AM
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Re: auto dim high beam feature

From the manual (which is your friend):

To Activate
1. Enable the Automatic High Beams through the Uconnect® system screen. Refer to “Customer-Programmable Features — Uconnect® Access 8.4 Settings” in “Understanding Your Instrument Panel” for further information.
2. Turn the headlight switch to the AUTO headlight position.
3. Push the multifunction lever away from you (toward front of vehicle) to engage the high beam mode.

NOTE: This system will not activate until the vehicle is at or above 20 mph (32 km/h).


Did you make sure you have the feature turned on in preferences? Did you have your headlight switch in the AUTO setting? Sounds like you had your stalk pushed forward.
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Old 07-29-2014, 11:42 AM
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Re: auto dim high beam feature

Quote:
Originally Posted by bill_de View Post
You need to manually turn on the high beams. Then the system dims them when a car approaches and turns them back to high when it passes.

The system has to be turned on in the uConnect screen.


---
Hi Bill, does the light output actually dim or does the mechanical deflector/block just move back down to low beam mode? Thanks!

p.s. yes, I do have the feature "checked" in the Uconnect system.

I wonder if I can just test this in my garage and just point a flashlight at the camera?

UPDATE: I just read on the other site, that the headlight switch needs to be in "auto" as well. I'll have to try that out.
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Old 07-29-2014, 11:54 AM
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Re: auto dim high beam feature

Quote:
Originally Posted by Zhe Wiz View Post
From the manual (which is your friend):

To Activate
1. Enable the Automatic High Beams through the Uconnect® system screen. Refer to “Customer-Programmable Features — Uconnect® Access 8.4 Settings” in “Understanding Your Instrument Panel” for further information.
2. Turn the headlight switch to the AUTO headlight position.
3. Push the multifunction lever away from you (toward front of vehicle) to engage the high beam mode.

NOTE: This system will not activate until the vehicle is at or above 20 mph (32 km/h).


Did you make sure you have the feature turned on in preferences? Did you have your headlight switch in the AUTO setting? Sounds like you had your stalk pushed forward.
Thanks Zhe Whiz, lol, you just beat me to my update of my last post. I don't think I had the light switch in auto. My JGC is garage kept, and I hate having the headlights turn on when I start the car in the garage, then turn off when I back out of the garage. I have this thing about turning lights off and on unnecessarily, especially these expensive HID lamps. lol! So I never use auto, it tweaks my OCD. lol! Thanks for your help!

Do you happen to know if the light output actually dims or if the mechanical deflector justs goes back down to low beam mode?
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Old 07-29-2014, 11:59 AM
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Re: auto dim high beam feature

No, the HIDs don't "dim" just a mechanical deflector. I do what you do, I turn my lights off because I don't like turning HIDs on and off more than necessary. My garage is also just dark enough they were coming on at startup when in auto mode. When I turn them "on" I always switch them to auto mode instead of "on".
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Old 07-29-2014, 12:09 PM
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Re: auto dim high beam feature

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Originally Posted by Zhe Wiz View Post
No, the HIDs don't "dim" just a mechanical deflector. I do what you do, I turn my lights off because I don't like turning HIDs on and off more than necessary. My garage is also just dark enough they were coming on at startup when in auto mode. When I turn them "on" I always switch them to auto mode instead of "on".
Thanks for the clarification! And I will turn mine to auto when I need to turn them on as well, its a perfect solution. Thanks!
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Old 07-29-2014, 12:13 PM
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Re: auto dim high beam feature

Quote:
Originally Posted by Zhe Wiz View Post
No, the HIDs don't "dim" just a mechanical deflector. I do what you do, I turn my lights off because I don't like turning HIDs on and off more than necessary. My garage is also just dark enough they were coming on at startup when in auto mode. When I turn them "on" I always switch them to auto mode instead of "on".
The high beams won't come on until you are moving above mumble mph/kph.

You could trigger them dropping to low if you shine a flashlight at the vehicle, or even two red lights that look like tail lights of a car in front of you... how to do this while the vehicle is in motion is left as an exercise for the student.

Really bright road signs will also trigger dropping to low beam mode on very curvy mountain roads. PITA, since sooner or later there will be a moose at the corner.
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Old 07-29-2014, 12:54 PM
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Re: auto dim high beam feature

"mumble" = 20 mph, per my post above.
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Old 07-29-2014, 03:23 PM
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Re: auto dim high beam feature

Quote:
Originally Posted by TypeRod View Post
Hi Bill, does the light output actually dim or does the mechanical deflector/block just move back down to low beam mode? Thanks!

p.s. yes, I do have the feature "checked" in the Uconnect system.

I wonder if I can just test this in my garage and just point a flashlight at the camera?

UPDATE: I just read on the other site, that the headlight switch needs to be in "auto" as well. I'll have to try that out.
I never thought of that. Every car I've owned with auto headlights remained in auto all the time. I'm glad you sorted that out. I didn't know of any mechanical deflector. I thought we had high and low beams. Live and learn.


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Old 07-29-2014, 04:03 PM
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Re: auto dim high beam feature

Quote:
Originally Posted by lstowell View Post
The high beams won't come on until you are moving above mumble mph/kph.

You could trigger them dropping to low if you shine a flashlight at the vehicle, or even two red lights that look like tail lights of a car in front of you... how to do this while the vehicle is in motion is left as an exercise for the student.

Really bright road signs will also trigger dropping to low beam mode on very curvy mountain roads. PITA, since sooner or later there will be a moose at the corner.
Thanks for that info! In VA no need to worry about moose, more so deer. lol. I remember being in CO a long while ago, and while driving up a mountain road at night a humongous moose trotted in front of our SUV, but we stopped in time not to hit it. I was just in shock at how big that thing was. The next night I didn't take a walk down our friends mountain road for fear of getting bum rushed by a giant moose! lol!

Quote:
Originally Posted by Zhe Wiz View Post
"mumble" = 20 mph, per my post above.
lol, Thanks!

Quote:
Originally Posted by bill_de View Post
I never thought of that. Every car I've owned with auto headlights remained in auto all the time. I'm glad you sorted that out. I didn't know of any mechanical deflector. I thought we had high and low beams. Live and learn.


---
No problem friend. You can test it out in your garage or where ever a wall is, just turn on your headlights, then highbeams, then pay close attention you'll see the light output doesn't increase, but just shines a bit higher.
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Old 08-07-2014, 10:43 AM
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Re: auto dim high beam feature

Mine have never worked well... I bought my '14 Overland last November... In the winter I chalked it up to winter dirt... Just tried using them again a month ago, never wants to go into high beam mode, which sucks the big one on back roads.
Enabled in uConnect, light selector in auto, stalk forward to high beams, screen shows auto enabled... Don't care enough for a special trip to the dealer. I'll bring it up at 20kmi service.
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