• Fixes to keep selected settings for Super Cruise
GMC technical service bulletin 654.20 for 2026 GMC Acadia, 2026 Chevrolet Traverse and 2026 Buick Enclave.
- Bulletin number
- 654.20 (654.20)
- Component
- Unknown or other
- Summary
- • Fixes to keep selected settings for Super Cruise. • Improvements to the performance of Brake Assist. • Fixes to help ensure proper Super Cruise lane change functionality.
Vehicles covered
- GMC Acadia 2026 2026
- Chevrolet Traverse 2026 2026
- Buick Enclave 2026 2026
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