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June 3, 2026 Over-the-air update

• Improvements to help prevent loss of audio, including chimes and turn signal indicator sound • The rear...

Chevrolet technical service bulletin 661.50 for 2026 Chevrolet Tahoe, 2026 GMC Yukon and 2026 GMC Yukon XL and others.

Bulletin number
661.50 (661.50)
Component
Unknown or other
Summary
• Improvements to help prevent loss of audio, including chimes and turn signal indicator sound • The rear passenger display will prompt you to add headphones when that is the selected audio option

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