According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2026 Hyundai Tucson has 5 documented known issues, with 4 rated critical. The most serious are Forward Collision Avoidance Phantom Braking (Unintended AEB), Improperly Torqued Connecting Rod Bolts Causing Engine Failure and Oil-Leak Fire Risk (Recall 25V549000) ($0-$0 repair), Misassembled B-Pillar Side Impact Sensors Delaying Air Bag Deployment (Recall 26V254000) ($0-$0 repair) and Instrument Cluster and Head-Up Display Blackout with 'No Signal' (Recalls 26V047000 and 26V400000) ($0-$0 repair). DIY maintenance guides at au7o.io.