Front Windshield Replacement - ADAS Calibration

Tiny
UPMM019
  • MEMBER
  • 2021 JEEP GRAND CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 4,752 MILES
I had the windshield replaced in our vehicle listed above after it took a hard rock hit this past week.

Local body shop completed the replacement this past (4/1 Friday).

That said, they indicated they only calibrate the front facing camera if there is an “error” –

Told me to just drive it.

What I have read is that, anytime the windshield is replaced the front facing camera must be recalibrated. As well as my insurance company sent me an email stating the dealership (or someone trained) must recalibrate it.

Can someone confirm for me?

Also, perhaps not a big deal but I feel like they didn't take care with the top seal, and I am concerned that it's now going to collect water when it shouldn't had they ensured the seal was in its original position.

I am bringing it back on Monday 4/4 to ask them to fix it. I presume the only way to fix it is to take the windshield out again.
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Saturday, April 2nd, 2022 AT 1:52 PM

6 Replies

Tiny
STEVE W.
  • EXPERT
The camera must be recalibrated after any glass replacement as the refraction qualities and patterns will be different for every piece of glass. Yes, the camera may see through the glass without errors, but it may not be seeing the correct image until calibrated. Sort of like an eyeglass prescription, each piece of glass is different.
As for the seal, unless it is factory glass set in by the robot it likely won't fit the same way. That said it looks like it is sealed okay, the trim itself can leak moisture behind it, that is why it is actually open on both ends at the bottom so that moisture can get out. That would be your choice, but the camera needs calibration.
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Saturday, April 2nd, 2022 AT 8:59 PM
Tiny
UPMM019
  • MEMBER
Is there any data or reports of accidents caused by not calibrating ADAS after a windshield replacement?

I am getting my Jeep calibrated tomorrow but it was like pulling teeth to get the dealership to commit to doing it. I don't have a high level of confidence. Secondly, I revisited the body shop who did the windshield replacement, and they stand firm they never calibrate unless issues are reported.

They also said they would order a new windshield to fix the seal issues I raised but that has never happened.

Sad state of affairs when a person cannot get basic common-sense service.
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Tuesday, April 12th, 2022 AT 3:14 PM
Tiny
STEVE W.
  • EXPERT
The insurance companies would have that information, not something shops would normally be involved with. I'm just going on the service information and ADAS requirements for windshield replacements. They all say the system has to be re calibrated due to the changes in the glass.
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Tuesday, April 12th, 2022 AT 3:49 PM
Tiny
UPMM019
  • MEMBER
Okay. I was just wondering if this is yet another money maker for dealerships.
It would be nice to find some data supporting it.
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Tuesday, April 12th, 2022 AT 4:50 PM
Tiny
UPMM019
  • MEMBER
So, the dealership said they did the calibration, but the work order invoice really says nothing. Charged me $104.00 - Not sure if you're a dealership tech or what but when this is done is there not something denoted that it was completed and checked out. I.E. Sort of like when the indicate the tires were check with X pressure, fluids were filled etc.
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Wednesday, April 13th, 2022 AT 12:43 PM
Tiny
STEVE W.
  • EXPERT
Depends on the dealership. Normally the service writer drops a work slip in the techs slot, Tech does what it says and writes up a report with all that was done and any parts, supplies used. That gets turned over to the service writer who then files the paperwork and prints an invoice to give to the front who prints a receipt. I have seen tickets written out with 3-4 pages of testing and repairs for something like a major engine issue like timing chains and cams and on the invoice, it would say something like "Addressed customers complaint, repaired as per bulletin # XXXXXXXX" Then a list of the parts and warranty info.
For something like an ADAS calibration the tech likely wrote out the calibration system used, any faults found and the time it took to calibrate the system. The SW then just said "ADAS calibration per customer request" It can be frustrating on both sides depending on the writer. Some are great and will ask all the right questions about a complaint, others will jot down "Customer states car has a noise when going over bumps"
Sounds like the one you got is one of the latter types.
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Wednesday, April 13th, 2022 AT 2:31 PM

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