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Discussion Starter #1 (Edited by Moderator)
This is a @nateads style [DIY]. Without his post here I will not be able to do this. Thanks a lot @nateads.

This MOD is for ioniq that doesn't come with HID lamp (Blue and SEL in the U.S.)

*Disclaimer: I am not responsible for any damage that occurs to your vehicle if you decide to follow this procedure. I attempted to remove and install new bulbs the easiest and best way possible, but everyone's vehicle may be different in respect to parts being seized or flaws in manufacturing or quite simply using brute force when you shouldn't be.*

*Tools Needed*
1. Rubber Gloves
2. H7 LED bulbs (2 bulbs). Beam pattern is a very important concern when changing headlight. Do your research and choose your LED bulbs wisely.
3. Warm weather, heat gun or hair dryer, if you have to do this mod in cold weather.
4.TOMALL H7 LED Headlight Bulb Retainers Holder Adapter for Hyundai 2017 Mistra New Tucson KIA Carnival
5.3D printable Extended dust cap
6.Screwdrivers
7.Electrical Tape and/or shrink tube
8.DIY plastic holder removal tools (will show you haw to make this later).

Step 1.
Make sure car is off.

Step 2.
Find headlight dust cap which is located under the hood, behind the headlight housing. The low beams are the furthest and unfortunately the hardest to get access to.

Step 3.
Rotate the cap in a counter-clockwise direction. Their is a rubber seal that will make it feel tight, but it will move slowly. The cap rotates 45 degress then will stop.

Step 4.
Use finger nails or something thin to pull the cap from the headlight housing as rotating it will not pull it away from the housing.

Step 5.
Make a DIY plastic holder removal tool. I use plywood scrap and two wood screw place them 20mm (3/4 inch) apart from each other.


Step 6.
Use the DIY tool to remove the plastic holder by turning it 45 degree counter-clockwise.

Step 7.
Ware a glove, pull the plastic holder out of the housing and remove the halogen bulb.

Step 8.
Dissemble the connectors from the plastic holder. The plastic base has plastic tab/knob to hold the connector in place. You have to ply the connector while pushing it till it come out of the plastic base.

In this photo you can see the tab/knob in the plastic base that hold the connector in place.


you will need a flat head screwdriver for plying and another Philip or hex or Allen key to push the connector out of the plastic base.


It might be harder if you have to do in on your car under the hood. If it is too hard then just cut it and make a new connection.

After the connectors came out wrap them with electrical tape and/or shrink tube.


Step 9.
Put the LED in the adapter.


Step 10.
Plug the LED into the connectors and test if it working? If not, rotate the connector. Unlike the halogen, some LED bulbs are polarized.


Step 11.
Make sure the car is OFF!!!

Step 12.
guide the LED into the housing. Rotate the LED adapter back and forth back in the headlight housing. You will feel the notches fall back into place and you will be able to rotate the adapter 45 degrees and it will click into place. This step will also be easier if the plastic bulb holder is warm. Not hot, but warm.

Step 13.
tugged in all the wires. and check your beam pattern.


Step 14.
Close the dust cap.


Step 15.
wait until night and enjoy your work.
 

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Discussion Starter #2
More photo after dark.
 

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Discussion Starter #4
Update: after a few days driving at night, last night I have a warning on my dashboard to check the Right Low beam headlight. This happen after a long drive, so I think it might be an overheat problem. I've ordered another LED with fan and it is on the way. I will try it out and post the result here.
 

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I'm wondering if this method would work for H7 HID bulbs with a HID kit. I know that the dust cap would have to a hole for all the wires to come out of.
 

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Discussion Starter #7
I'm wondering if this method would work for H7 HID bulbs with a HID kit. I know that the dust cap would have to a hole for all the wires to come out of.
We will have to ask someone with the Limited to take a photo of their dust cap for us.

BTW, the headlight housing of the limited is different, there is only one bulb (HID) in projector housing, and a moving shade to create high/low beam
 

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Discussion Starter #8
update: I had a long night drive again tonight, and again I got the same warning on the way to my destination. However, on the way back, I remove both of the dust caps and everything was fine. I'm pretty sure it is the overheat problem because of the fan less design.

It make sense though, the heatsink should have more room than the small space in the headlight housing. Maybe this is why they design it with the fan in the first place.
 

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What a pioneer you are, I wish you lived where I am so I can pay you to do this mod for me. I hope you eventually find a LED or solution that works long term without over heating. The difference in LED is substantial. I don't know why Hyundai would put halogens instead of LED
 

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Discussion Starter #11
How did your adapter fit? I ordered a set and they seem too loose. I cant get the bulb to fit in there tight at all.
I didn't feel any loose between the bulb and the adapter. However, when you put the adapter in the headlight housing it doesn't tight fit like the original bulb holder, which I like. I think the original bulb holder is too tight in the housing.
 

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Discussion Starter #12
How did your adapter fit? I ordered a set and they seem too loose. I cant get the bulb to fit in there tight at all.
I've just got a new pair of LED with fan, and I think I know what are you talking about. It's depend on the LED, my first pair is Beamtech Fanless and they fit perfectly in the adapter. My second pair is Hikari Ultra LED, this one does not fit in the adapter. I mean, it fit but not holding itself in well enough.

I will find a way and post it here.
 

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Discussion Starter #13
OK, this is how I did it.

The problem is because the adapter is lacking of notches to keep the bulb in place, so let's create some notches.

In this photo, you can see the tabs on the right is very slant, with the lack of notches this will force the bulb base to slide upward and out of the adapter.


While holding the bulb base in place, use sharp knife mark where the bulb base touch the adapter. Mark everywhere it touches.



Remove the bulb base, and make a grove, DO NOT CUT THROUGH!!!! JUST MAKE A GROVE!!!!


Now the bulb has something to hold onto.



Now it sit in place.
 

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Discussion Starter #14
Problem solved! I’ve been driving with the Hikari Ultra LED for a few days and I just have a long night drive today. No warning, everything working nicely, Actually the Hikari is brighter and the beam pattern is better (at least in my opinion). I will write a side by side review on both of them this weekend.
 

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I got a better adapter than my other ones, fits much better. Not sure what to do with the dust caps though. Maybe I can find somewhere to 3d print the larger ones or just modify the stock ones
 

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How are your hikari led working? Had problems so far? Which dust caps did you used? I ordered the leds and base but still dont know which dust caps are the ones that fit. Are the dust caps really necessary? Thanks
 

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Discussion Starter #17
How are your hikari led working? Had problems so far? Which dust caps did you used? I ordered the leds and base but still dont know which dust caps are the ones that fit. Are the dust caps really necessary? Thanks
I use Hikari Ultra H7 LED ($89.99 off Amazon), be careful and don’t be confused with the Hikari ($49.xx) one.

So far so good, perfect actually. No problem what so ever.

I’ve design and printed out the extended dust cap, the link is in the original post. However, before I have the Hikari ultra, I use Beamtech which has fabless design thus, has overheating problem. I have to drive about a week with the dustcaps opened, in the storm and sun. I haven’t had any issue doing so. However, again, I felt uncomfortable knowing I have no dustcpa on, To answer your question, I think it is ok not to have the dust cap in place, but you have to be careful don’t let someone pressure washing the undercarriage or the engine bay, or don’t be clumsy overfilled the windshield washer fluid.
 

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How are your hikari led working? Had problems so far? Which dust caps did you used? I ordered the leds and base but still dont know which dust caps are the ones that fit. Are the dust caps really necessary? Thanks
I use Hikari Ultra H7 LED ($89.99 off Amazon), be careful and don’t be confused with the Hikari ($49.xx) one.

So far so good, perfect actually. No problem what so ever.

I’ve design and printed out the extended dust cap, the link is in the original post. However, before I have the Hikari ultra, I use Beamtech which has fabless design thus, has overheating problem. I have to drive about a week with the dustcaps opened, in the storm and sun. I haven’t had any issue doing so. However, again, I felt uncomfortable knowing I have no dustcpa on, To answer your question, I think it is ok not to have the dust cap in place, but you have to be careful don’t let someone pressure washing the undercarriage or the engine bay, or don’t be clumsy overfilled the windshield washer fluid.
Great! Thanks for your comments, I will have someone in my city (Mexico City) to help me out printing the dust caps you've designed. I have a doubt, how much watts the hikari ultra led kit has? Is the same or lower to the original halogen bulbs (55W I think they are)? I dont want to have problems with the car voltage 😃
 

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Discussion Starter #19
Great! Thanks for your comments, I will have someone in my city (Mexico City) to help me out printing the dust caps you've designed. I have a doubt, how much watts the hikari ultra led kit has? Is the same or lower to the original halogen bulbs (55W I think they are)? I dont want to have problems with the car voltage 😃
I’ve never measured the current the LED take. However, the manual said it is 25 watts per bulb. Half of what the stock halogen is. However, again, it is brighter and whiter.
 

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How did you manage to install the led kit in the headlight housing? Did you removed the front bumper? I asked help to a local shop, they remove it... However one of the lwd base got loose so I need to replace it again.. Thanks!
 
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