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August 24, 2026 Over-the-air update

• Additional protection for battery health and to help prevent battery drain • Improved charging messaging...

Cadillac technical service bulletin 662.20 for 2025 Cadillac Optiq.

Bulletin number
662.20 (662.20)
Component
Unknown or other
Summary
• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics • Improves traction and stability control when accelerating or on uneven terrain • Improves braking and stopping performance on low-traction surfaces • Improves the performance of assisted braking

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