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August 24, 2026 Over-the-air update

• Improvements to active cabin ventilation • Additional protection for the health of your battery •...

Chevrolet technical service bulletin 662.30 for 2026 Chevrolet Blazer EV.

Bulletin number
662.30 (Assisted Driving & Cabin 2026.2)
Component
Unknown or other
Summary
• Improvements to active cabin ventilation • Additional protection for the health of your battery • Improvements to the software update system • Improves traction and stability control when accelerating or on uneven terrain • Improves braking and stopping performance on low-traction surfaces • Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking. • Fixes to help ensure proper functionality of Forward Collision Alert and availability of driver assistance features. • Fixes to help ensure accurate driver display messages and alerts. • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving performance • Additional protection for battery health and prevention for battery drain • Better performance and reliability of wireless phone charging

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