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You get into your Hyundai Tucson, press the start button, and… nothing happens. This no-start issue is frustrating, but in many cases it’s easy to diagnose and fix. First, check the battery. Dim lights or clicking noises usually mean low voltage. Try a jump-start; if the car starts, replace the weak battery soon. Next, test the key fob. If the fob battery is low, the car may not recognize it. Hold it against the start button or replace the coin battery. Inspect the terminals—loose or corroded connections often mimic a dead battery. Clean them with a wire brush and tighten securely. Hyundai manuals https://manuals.online/hyundai offer step-by-step procedures. The Hyundai service manual includes electrical diagrams and error code explanations for deeper diagnostics. Why does my Tucson crank but not start? Likely a fuel delivery issue—check the pump and relays. Can cold weather stop my Tucson from starting? Yes, low temperatures reduce battery efficiency. A maintainer helps.