• Fewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle.
Cadillac technical service bulletin 663.30 for 2025-2026 Cadillac Celestiq.
- Bulletin number
- 663.30 (663.30)
- Component
- Unknown or other
- Summary
- • Fewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle.
Vehicles covered
- Cadillac Celestiq 2025-2026 20252026
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