GM National Insurance Company has filed enhancements to its Private Passenger Auto telematics program in Arizona, effective August 6, 2025, for new business and October 24, 2025, for renewals. The $3.15M program covers 1,869 policyholders with no overall rate impact, though individual changes range from a 32% decrease to a 57.5% increase.

Updates include revisions to the Rule Manual, Rate Manual, and Underwriting Guidelines, along with confidential actuarial and telematics documentation.