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Panel discusses windshield calibration standards for ADAS after glass replacements
Summary
Members discussed how windshield prescans and postscans tie to ADAS calibrations, who performs calibrations and challenges when dealerships or shops lack mapping or equipment.
The Consumer Protection Department meeting included an extended discussion of windshield calibration standards and how calibration relates to advanced driver-assistance systems, or ADAS.
John (meeting participant) described the typical workflow used by shops that do glass replacement and calibrations: perform a prescan to identify vehicle faults, replace or repair the windshield, then perform a calibration and a postscan; the postscan report becomes part of the customer and insurer records. "Really before you even start to work on the glass, you're supposed to do what's called a prescan," John said. "Once the computer says the calibration is successful, you generate a report, a post scan, and that post scan is what you give to the customer and what you give to the insurance company to get paid."
Speakers noted several practical points: calibrations can be performed by dealers, manufacturers, independent glass companies or aftermarket calibration companies; some shops do not perform prescans or calibrations because the equipment is expensive; and dealerships with used-car departments may lack mapping for other manufacturers' vehicles. John said shops that do calibrations typically keep prescan and postscan records "in the file in case, you know, something happens."
Panel members asked whether calibration work is commonly outsourced and how shops without diagnostic tablets handle vehicles that require calibration. John said some shops have an outside calibration service come to the shop or send customers to a dealership; he added, "If you don't have a tablet to plug in and you have a car that needs a calibration... I guess, I'm assuming you would just put the windshield in and hope for the best that they're doing their prescan post windshield installation."
The discussion was technical and informational; the panel did not adopt a new standard or direct staff to prepare rulemaking. Members thanked presenters and moved to the next agenda item.
