Heads up to all Hummer EV owners a new software update just dropped!
Update GM 653.30 was released on November 7, 2025, and it brings a handful of improvements and fixes for Model Year 2025 GMC Hummer EVs.
Release Details:
• Improvements to leveling corrections.
• Improvements to the performance of Super Cruise.
• Improvements to the opening power of the rear power gate.
• Fixes to address antilock braking system responsiveness.
• Improvements to the performance of One-Pedal.
