October 13, 2025 Over-the-air update

• Improves how center display adjusts to lighting changes

GMC technical service bulletin 653.30 for 2024 GMC Acadia and 2024 Chevrolet Traverse.

Bulletin number: 653.30 (653.30)
Component: Unknown or other
Summary: • 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. • Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. • Fixes to help prevent erroneous collision calls. • Fixes to address issues with OnStar stolen vehicle responses. • Improvements to performance of software updates and connectivity. • Fixes to help prevent battery drain. • Fixes to responsiveness issues with Wi-Fi, Navigation, Super Cruise, and OnStar. • Improvements to software updates. • Improvements to OnStar emergency calls. • Fixes to address cellular connectivity issues. • Fixes calculation of vehicle brake pad life to address inaccurate status shown on center display. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation. If you are not using your vehicle's built-in 4G LTE connection, then applicable data rates apply.

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