Big Crack Appeared in Windshield

DOBrien

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2023 Air GT
Greetings... I recently went on a trip for a week. While I was gone the car was parked for 6 days in a secure lot near Denver. When I returned the windshield had a giant crack that ran horizontally along the very bottom of the windshield (black area just above the wipers) for about a foot, then turns upward running all the way to the housing for camera and sensors at the top-center. There are no impact cracks in the window, temperatures were very mild over the week, nobody touched the car, no visible impact area, and no scars that would suggest something fell on it. The crack zig-zags a lot making frequent 30 to 40 degree bends as it makes it's way to the top. My first impression is that there was some kind persistent stress from the window frame that finally relieved itself. The car has experienced no rough roads, banging curbs, or gravel damage. Lucid customer care has opened a case for the service center to evaluate. Car is well within the warranty. I wanted to mine the wisdom of people on this forum to find out if anyone else has experienced this, and if so, how the company handled it. I've seen windows crack that way, usually when someone makes the bad decision to pour hot water on a frozen windshield. It must have endured a lot more temperature swings when it was sitting out in the desert in Casa Grande (as opposed to last week in Colorado). Any thoughts are appreciated!
 
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Greetings... I recently went on a trip for a week. While I was gone the car was parked for 6 days in a secure lot near Denver. When I returned the windshield had a giant crack that ran horizontally along the very bottom of the windshield (black area just above the wipers) for about a foot, then turns upward running all the way to the housing for camera and sensors at the top-center. There are no impact cracks in the window, temperatures were very mild over the week, nobody touched the car, no visible impact area, and no scars that would suggest something fell on it. The crack zig-zags a lot making frequent 30 to 40 degree bends as it makes it's way to the top. My first impression is that there was some kind persistent stress from the window frame that finally relieved itself. The car has experienced no rough roads, banging curbs, or gravel damage. Lucid customer care has opened a case for the service center to evaluate. Car is well within the warranty. I wanted to mine the wisdom of people on this forum to find out if anyone else has experienced this, and if so, how the company handled it. I've seen windows crack that way, usually when someone makes the bad decision to pour hot water on a frozen windshield. It must have endured a lot more temperature swings when it was sitting out in the desert in Casa Grande (as opposed to last week in Colorado). Any thoughts are appreciated!
Pics?
 
I’ve heard of other glass spontaneously cracking but it was due to the dual pane and a defect. The gravity I have now has visible glass defects (glue sagging out the edges, stuff like that) which will probably lead to an issue in the future. But I haven’t heard of the windshield just cracking out and it’s a single pane.
 
I'll get a photo when I can get the car in a light that works.. phone cameras usually have polarized lenses that enhances reflections and hides subtle things you're trying to see. Thanks for the comment Sock & Photo Eye.
 
I had a similar situation with a Model X a few years ago. Tesla couldn't determine what caused the glass to crack, but they replaced it under warranty.
 
Must be a stone chip.

I had one that I never noticed, hot car went into a car wash and huge crack. On closer inspection, it started at a small chip.

Got exoshield installed for protection.
 
If there’s no impact spot you can determine, likely it’s a warranty repair. Could have just been a flaw in the glass that caused it to crack in the heat.

If there was impact, that’s a whole other story.
 
If there’s no impact spot you can determine, likely it’s a warranty repair. Could have just been a flaw in the glass that caused it to crack in the heat.

If there was impact, that’s a whole other story.
No indication of an impact point anywhere in the glass. Yes, small star cracks can grow, but there are none. Interesting that the crack goes way down to the very bottom of the glass and runs along that area only about an inch or so above the base. It was not expose to any excess heat or cold. Very mild weather here when it happened.
 
Probably unrelated, but I have a taillight that's like this. I was washing the car and noticed a crack all the way across the taillight, with no noticeable impact damage. Not covered under warranty, as they assume I backed into a bush or something.
 
No indication of an impact point anywhere in the glass. Yes, small star cracks can grow, but there are none. Interesting that the crack goes way down to the very bottom of the glass and runs along that area only about an inch or so above the base. It was not expose to any excess heat or cold. Very mild weather here when it happened.
Maybe see if you can get warranty to cover. If they find a chip, they probably won’t.
 
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