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April 23, 2026 Over-the-air update

• Fixes to help ensure responsiveness for the driver display and rear view camera

Cadillac technical service bulletin 654.51 for 2026 Cadillac CT5 and 2026 Cadillac CT4.

Bulletin number
654.51 (654.51)
Component
Unknown or other
Summary
• Fixes to help ensure responsiveness for the driver display and rear view camera. Improvements to reliability for alerts and chimes.

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