Aptiv was the standout, jumping 4% while the rest of the group was flat to down, dragged partly by Nvidia giving back 3.6%.
Data via Yahoo Finance
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Mitchell's 2025 data confirms what we've been seeing on the floor: calibration line items grew 31.4% year over year. Meanwhile, Illinois and Texas are tightening appraisal rights. Both moves favor shops that know their numbers.
OEM
1. Calibrations jumped 31.4% in 2025, Mitchell data shows
Mitchell's estimate data found that the percentage of collision estimates containing a calibration line grew 31.4% year over year in 2025. This is the clearest industry signal yet that ADAS work is moving from specialty to standard. If you're not tracking calibrations as a separate line item, your estimates are already behind market.
Mark says: Pull this Mitchell report and cite it in your next supplement denial. Insurers can't argue calibrations are optional anymore.
2. Illinois governor to sign right-to-appraisal and rate review bills
Illinois Gov. JB Pritzker announced he will sign two bills: one creating right-to-appraisal (RTA) requirements for auto policies and another giving the state authority to review insurance rates. The appraisal bill takes effect July 1, 2027. This follows similar wins in Texas and other states pushing back against insurer estimate shortcuts.
Mark says: Mark your calendar for July 1, 2027 in Illinois. Train estimators now on appraisal language and supplementing strategy.
3. Texas insurance department sets hearing rules for right-to-appraisal law
Texas DI held a public hearing on its proposed requirements for implementing the right-to-appraisal law passed last year. The hearing established the framework for how appraisals will be triggered and administered. Texas shops should expect clarity on enforcement by late June.
Mark says: If you have Texas locations, subscribe to TDI updates this week. RTA rules will define your supplement workflow for the next two years.
Shops that thrive are those investing now in ADAS calibration equipment, proper OEM procedures, and technician training. Repair complexity continues to climb as vehicles add cameras, radar, and lidar. The collision industry is not going back to simple glass and dent work.
Mark says: If ADAS calibration is still a sublet, this is your year to bring it in-house. The math works now.
5. GM expands collision app to direct customers to certified repair shops
General Motors launched a new mobile app feature that helps customers find and contact GM Collision Repair Network certified shops. The tool allows customers to input their vehicle damage and location, then connects them directly to certified facilities. This is GM's play to build loyalty and control repair dollars.
Mark says: If you're not OEM-certified, this feature puts you at a disadvantage. If you are, make sure your shop details are accurate in GM's system.
When an insurer denies your calibration or supplement claim, you need an OEM-backed rebuttal in 60 seconds. Our free Calibration Denial Audit takes your denied claim and returns a one-page response citing the exact OEM bulletin and procedure the insurer missed.