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Home >> Hyundai >> 2024 >> Tucson Hybrid N Line >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Button Engine Start System (HEV) >> Description And Operation >> Description >> Operation For Each Function Of Button Starting
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Operation For Each Function Of Button Starting

  1. Electric power ON/Ignition ON
    • The electric power state changes within the range of OFF →ACC→IGN→OFF by pressing the button without stepping on the brake (Or with stepping on the brake) inside the car with FOB key (However, When the gear is not in P, the power repeatedly changes between ACC and IGN. Converting to OFF is impossible.)
    • The ignition is on when the button is pressed with stepping on the brake at P/N position with FOB key.
    G16124750Courtesy of HYUNDAI MOTOR AMERICA
  2. Electric power OFF/Ignition OFF
    • The ignition OFF is possible in the state of vehicle stop. (The ignition OFF state is possible regardless of the ATM lever position.)
    • The lever shall be shifted for parking in gear N by pressing the ATM lever release button after electric power off in P.
    G16124751Courtesy of HYUNDAI MOTOR AMERICA
  3. How to turn off the ignition forcibly and to restart during driving
    • It is a method of forcibly turning off ignition in case of fuel leakage when the vehicle is overturned or of emergency (e.g. failure in accelerator pedal return)
    • The engine is off and returned to the ACC state when the button is pressed for 2 seconds and more than 3 times successively within 3 seconds during driving. The restarting is available for next 30 seconds regardless of FOB key and the electric power is changed through OFF → ACC→IGN→OFF by pressing the button without stepping on the brake (or with stepping on the brake) inside the car with FOB key. (However, when it is not in P position, ACC↔IGN is repeated. The conversion to OFF is impossible.)
    G16124752Courtesy of HYUNDAI MOTOR AMERICA
  4. State of start button indicator (LED) ON depending on the electric power state.
    • Electric power OFF: LED OFF
    • Electric power ACC state: Yellow LED ON
    • Electric power ON: Blue LED ON
    • During cranking: Maintaining the previous LED ON state before cranking
    • Starting ON state: LED OFF