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June 3, 2026 Over-the-air update

• The Ambient Lighting feature will now save your selection instead of resetting to white after each drive

Cadillac technical service bulletin 661.50 for 2024 Cadillac Lyriq.

Bulletin number
661.50 (661.50)
Component
Exterior lighting
Summary
• The Ambient Lighting feature will now save your selection instead of resetting to white after each drive. • The active cabin ventilation feature will operate more reliably. • Additional protection for the health of your battery and updates to help prevent excessive battery drain and overheating. • Improvements will support successful software updates for your vehicle and allow you to access new features and fixes.

Owners of these vehicles have filed 12 complaints in the lights category.

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