GM Update 653.31 • Improves how center display adjusts to lighting changes
Cadillac technical service bulletin 653.31 for 2024 Cadillac XT4.
- Bulletin number
- 653.31 (653.31)
- Component
- Unknown or other
- Summary
- GM Update 653.31 • 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. • 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. 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.
Vehicles covered
- Cadillac XT4 2024 2024
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