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August 25, 2026 Over-the-air update

• This update enables functionality for King Crab mode

GMC technical service bulletin 662.30 King Crab for 2022-2023 GMC Hummer EV Pickup.

Bulletin number
662.30 King Crab (662.30 King Crab)
Component
Unknown or other
Summary
• This update enables functionality for King Crab mode. • King Crab mode provides enhanced rear steering for off-road use • To enable this feature, press and hold the right four-wheel steering button on the Drive Mode selector for five seconds • For more information, refer to the Driving and Operating section in the owner's manual

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