mitsubishi mirage ignition won't go off

[gccb21]

hi, got 2017 mitsubishi mirage with keyless entry, ignition wont'turn off , unable to start car and esl in unlocked position.
scanned the vehicle and found no faults.
any help will be wellcome

[IanBMW]

Try opening the start/stop button and cleaning inside or( replace it), i see this on honda, VAG all the time