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February 12, 2026 Service bulletin

Inoperable horn that may be caused by foreign substances causing internal parts to oxidize

Hyundai technical service bulletin 26-BE-002H TSB for 2025 Hyundai Tucson, 2025 Hyundai Tucson Hybrid and 2025 Hyundai Tucson Plug-In Hybrid.

Bulletin number
26-BE-002H TSB
Component
Unknown or other
Summary
Some Tucson Internal Engine Combustion (ICE), Hybrid, and Plug-in Hybrid (NX4, NX4 HEV, and NX4 PHEV) vehicles may have an inoperable horn that may be caused by foreign substances causing internal parts to oxidize. This bulletin provides instructions on how to replace both inoperative horns.

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