1.4 8valve 06 reg grande punto.
The car will not turn off with the key, turn off the key and it just keeps running until i stall it to stop it. any ideas on where to look first?

u had bad rain or gone through a puddle if so check the fuse box mine did the exact same get it as fast as poss if it is because they will corode if it is the take out the fuse box wrap in a towel and leave on radiator for a hour
thats what i did and mine was fine after

We have had heavy rain the last couple of days. I will take the fuse box off tonight and dry it out and see how it goes. Thanks