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You are here: Home / News / Newsom Signs California Motor Vehicle Glass Act, Setting ADAS Calibration and Glass Claim Rules

Newsom Signs California Motor Vehicle Glass Act, Setting ADAS Calibration and Glass Claim Rules

September 29, 2026 By CollisionWeek Editor

California Gov. Gavin Newsom signed Senate Bill 988, the California Motor Vehicle Glass Act, on Sept. 27. The law bans assignment of benefits on first-party glass claims, requires glass shops to disclose advanced driver assistance system (ADAS) calibration needs before work begins and bars insurers from misleading, threatening or coercing policyholders over their choice of shop.

Authored by Sen. Tim Grayson (D-Concord), the act adds Title 1.5C, Sections 1784.50 through 1784.58, to the California Civil Code. It carries no urgency clause, so it takes effect Jan. 1, 2027, the same date its assignment-of-benefits ban begins voiding contracts. California becomes the

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Filed Under: News Tagged With: Advanced Driver Assistance Systems, Anti-Steering, Assignment of Benefits, Auto Glass, Calibration, California, Independent Glass Association, legislation

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