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November 6, 2025 Over-the-air update

Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features

Cadillac technical service bulletin 654.01 for 2026 Cadillac Vistiq.

Bulletin number
654.01 (654.01)
Component
Unknown or other
Summary
Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle.

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