• Fixes for active cabin ventilation
Cadillac technical service bulletin 654.50 for 2026 Cadillac Lyriq.
- Bulletin number
- 654.50 (654.50)
- Component
- Unknown or other
- Summary
- • Fixes for active cabin ventilation. • Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Improvements to the performance of electric vehicle sound enhancement. • Fixes to help prevent loss of functionality for Dolby Atmos. • Fixes to ensure proper audio options display in menu. •Fixes to help ensure accurate driver display messages and alerts.
Vehicles covered
- Cadillac Lyriq 2026 2026
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