The best way to Reset the Maintenance Light on a Toyota 4Runner

    1

    Locate the OBD port on the left side with the fuse panel of the 4Runner. There is only one particular port big adequate to accommodate the plug from the auto diagnostics software.
    2

    Connect the OBD plug into the OBD port in your 4Runner.
    3

    Turn the ignition key to the "II" position.
    4

    Wait for the upkeep light to go out.