{"nhtsa_id":11024668,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2025-10-31","date":"2025-10-20","document_id":"653.30","mfr_campaign":"653.30","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"ARS, CGM, IPC: ARS (Active Rear Steering), CGM (Communication Gateway Module), IPC (Instrument Panel Cluster)","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. 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024668-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024668-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024668","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-pickup"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-suv"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}