How to Jump Start a Hyundai Tucson

1. Park the vehicles close enough for the cables to reach without touching, turn off all electrical devices, put both in P, apply the parking brake and switch both OFF.
2. Open the engine hood and identify the positive (+) and negative (-) terminals.
3. Connect one jumper cable to the red, positive (+) battery terminal of your vehicle (1).
4. Connect the other end of that cable to the red, positive (+) battery/jumper terminal of the assisting vehicle (2).
5. Connect the second cable to the black, negative (-) battery/jumper terminal of the assisting vehicle (3).
6. Connect the other end of the second cable to the chassis ground of your vehicle (4).
7. Start the assisting vehicle, run it at approximately 2,000 RPM for a few minutes, then start your vehicle.
8. Disconnect the cables in exact reverse order: (4), (3), (2), then (1).

• Keep your vehicle running at least 30 minutes at idle or driving; a fully discharged battery may need up to 60 minutes.
• Use only a 12-volt power supply and do not push-start the vehicle.
• Do not jump start if the battery is frozen.

Source: 2026 Hyundai Tucson owner's manual, PDF pages 385, 386, 387. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.