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Genesis Forum: spontaneous shattered tinted glass wind deflector 2015 Genesis
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  1. #16
    circuitest1 is offline Hasn't posted much yet... What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

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    My problem was with the sun roof itself which exploded on a cold day, last winter, and showered glass inside the car while i was driving on the expressway. My dealer filed a claim with Hyundai for me and the sun roof was replaced under the warranty. The repair took two weeks because the replacement part had to come from Canada.

    I garage my cars, and my sunroof exploded after driving about 10 miles on a very cold day. I did not hear of any other exploding roofs all summer, and now that cold days are here again i see that other people are having similar issues. This leads me to think that the stress may be due to sudden changes in temperature, or at the very least cold weather. It seems that this problem also occurs on BMWs and other car makes which have cars with large sunroof surfaces.


  2. #17
    glennk is offline Supporting Member What I drive: 2G Genesis Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Would a 3M or an Xpel shield product prevent this?

  3. #18
    AustinTX is offline Registered Member What I drive: 2015 Genesis 3.8 V6 Sedan RWD (2G)
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Quote Originally Posted by glennk View Post
    Would a 3M or an Xpel shield product prevent this?
    I doubt that would change the temperature differential issue in the cold, coming from a warmer garage, since these products are applied to the inside of the glass I assume. Based on posts above, the issue seems to be a "sudden" drop in temperature from a garaged car to a car being driven in cold weather.

    It might help with glass flying through the cabin though, if applied to the inside of the roof.
    2015 Hyundai Genesis 3.8 RWD Ultimate - Ibiza Blue/Ivory

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  4. #19
    waz's Avatar
    waz is offline Registered Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Hate to refute your theory, but the front (movable) section of my sunroof just exploded today while driving on the interstate during a snow squall, and my car had been parked outside all night.

    I drove straight to Asheville Hyundai with snow falling on my head every time I had to stop for a traffic light.

    Forrest the service manager said it would be covered under warranty and gave me a loaner car to pick my kids from school. I have to say that their service department is 1000% better since he took over.

    I think the problem lies with the temperature difference between the warm air from the heater/defroster on the inside of the car and the 32 degree F. temps outside.
    Currently drive/ride: 2015 Genesis 3.8 Ultimate (Pamplona Red/Gray), 2010 Genesis Coupe 3.8 GT (Gray/Saddle), 1959 Ford F100 (rust/mouse turds), 2007 Suzuki Bandit 1250, 1978 Kawasaki KZ 650

  5. #20
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    Seejay is online now Registered Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    I want to start a no sunroof revolution. NO MORE SUNROOFS! DOWN WITH SUNROOFS! I want to make it loud and clear to manufacturers that I will not purchase another car with one.

  6. #21
    Aquineas's Avatar
    Aquineas is offline Been here awhile... What I drive: Genesis 5.0 V8 Ultimate
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    I love my s̶u̶n̶r̶o̶o̶f̶ moonroof, though the spontaneous shattering and the rattling are obviously undesirable side-effects :-).
    Genesis Mods:
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  7. #22
    waz's Avatar
    waz is offline Registered Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    I love mine too, although yesterday's incident shook me up a bit.

    I have a theory about what's causing these glass panels to break:

    It seems obvious that these things shatter during cold weather only, and that there's a temperature differential happening between the interior of the car and the exterior surface of the glass. I had just turned on the heat a few minutes before the glass exploded.

    Sunroof glass today is much lighter (thinner) than in the past due to fuel efficiency concerns.

    I think the cold air rushing over the surface of the now heated pano glass at highway speeds causes an area of lower pressure to develop, similar to the upper surface of an airplane wing, that literally sucks the tempered glass upwards.

    When conditions are just right (temp, speed, buffeting, etc.) ....POW! you're brushing glass out of whatever hair you have left.

  8. #23
    AustinTX is offline Registered Member What I drive: 2015 Genesis 3.8 V6 Sedan RWD (2G)
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Quote Originally Posted by waz View Post
    When conditions are just right (temp, speed, buffeting, etc.) ....POW! you're brushing glass out of whatever hair you have left.
    That got me to chuckle sitting here at my computer. I may be old, bit I still have a lot of hair - think crazy professor hair (or Einstein, with a lower hair line - just not as smart unfortunately).

    The glass breaking is scary, but it seems that these things happen more around the colder areas in the country, such as Western North Cackalacky (I thought that was a joke, but Google found it for me) ...

    It's been very warm here in TX, 70's most of the year so far ... my A/C has run more this year than my heat, both in my house and in my car ...

    I'd still prefer not to have the sunroof ... I ordered my previous (non Genesis) car with all options except the sunroof and the V8 (gas mileage on the V6 was bad enough already).

  9. #24
    waz's Avatar
    waz is offline Registered Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Update: I got the Scarlet Avenger back from the dealer today, and the tech did a nice job on replacing the sunroof glass. I did, however, have to thoroughly vacuum the interior because there were some glass shards hiding in the nooks and crannies.

    I also discovered that when the glass broke, chunks of it flew back and hit the trunk lid, causing numerous paint chips and scratches.

    I have told Forrest, the service manager at Asheville Hyundai, "you da man!" several times now for being a mensch and doing the right thing, and he lived up to this moniker today.

    When I pointed out the chips and scratches on the deck lid, he authorized the whole trunk to get repainted. I know many service writers/managers would have tried to get me to agree to just getting the paint touched up, but not Forrest.

    So I'll be getting the work done next week.

  10. #25
    aircanuck is offline Hasn't posted much yet... What I drive: 2G Genesis Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    For the record, the piece between my moonroof and windshield also spontaneously exploded too today. This had better be under warranty.

  11. #26
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    Seejay is online now Registered Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Chalk another one down to the texas sun. I detailed the experience in the "sunroof rattle" thread. I think there are so many thermal cycles built into it, and then it breaks.

  12. #27
    kavisic is offline Supporting Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Quote Originally Posted by Seejay View Post
    I want to start a no sunroof revolution. NO MORE SUNROOFS! DOWN WITH SUNROOFS! I want to make it loud and clear to manufacturers that I will not purchase another car with one.
    I'm with you. Its curious to me that with the Panoroof complaints that you still can't get an "ultimate" G80 without one!

  13. #28
    kavisic is offline Supporting Member What I drive: 2G Genesis 3.8 V6 Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    Quote Originally Posted by Seejay View Post
    Chalk another one down to the texas sun. I detailed the experience in the "sunroof rattle" thread. I think there are so many thermal cycles built into it, and then it breaks.
    This thread scares the "heck" out of me. Living in hot West Texas (200 miles from any big city) my wife and I have to do a lot of road travel in the heat. I've heard this loud "pop" once already, but haven't seen any damage yet. The thought of this "shattering" while on the road a long way from home is very scary!

  14. #29
    Seejay's Avatar
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

    I am getting the panel replaced and I will be curious to see if it's the same stupid material that was used previously. If it is an improvement, you may want to ask your dealer if he can pre-emptively replace the panel for you. I did not say that.

  15. #30
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    5 Timer is offline Registered Member What I drive: 2G Genesis Sedan
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    Default Re: spontaneous shattered tinted glass wind deflector 2015 Genesis

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    Quote Originally Posted by Seejay View Post
    I will be curious to see if it's the same stupid material that was used previously.
    How would you be able to ascertain any difference after installation?

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