Hyundai Santa Fe: Fuel Delivery System / Release residual pressure in fuel line

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Engine Control/Fuel System / Fuel Delivery System / Release residual pressure in fuel line

Release Residual Pressure in Fuel Line
There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.
Turn the ignition switch OFF and disconnect the battery (-) cable.
Remove the fuel pump fuse (A).

Connect the battery (-) cable.
Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own.
Disconnect the battery (-) cable, and then install the fuel pump fuse.
Connect the battery (-) cable.
Delete the Diagnostic Trouble Code (DTC) related the fuel pump fuse with the diagnostic tool.
When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the diagnostic tool after completion of "Release Residual Pressure in Fuel Line" work.

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    Instrument panel overview

    1. Instrument cluster
    2. Driver’s front air bag
    3. Engine Start/Stop button
    4. Infotainment system
    5. Hazard warning lamp switch
    6. Climate control system
    7. Shift button
    8. ISG (Idle Stop and Go) button
    9. Auto Hold button
    10. Heated steering wheel button
    11. Drive mode button
    12. DBC (Downhill Brake Control) button
    13. Parking Safety button
    14. Parking/View button
    15. Air ventilation seat button
    16. Seat warmer
    17. Passenger’s front air bag
    18. Glove box
    19. Wireless charging system pad
    20. Cup holder
    21. AC inverter
    22. USB charger

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