Chevrolet Corvette 2024 — technical service bulletin
Bulletin 662.20 · NHTSA communication 11035429 · issued Jul 16, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2024
model years
2
vehicle entries
Official summary
• Fixes to help ensure successful vehicle software updates. • Improves how center display adjusts to lighting changes. • Improved warnings when a key is missing. • Better tuning for interior lighting in Stealth mode. Improvements to automatic low beam headlamp logic. • Smoother dimming and transitions from day to night. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield f
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.