I have a Honda Civic 2013. I recently had the oil & filter change. Everything was fine for a week until recently the car has started giving irregular "check engine oil" lights. The light comes on just for a second or two when I am driving and goes off immediately. My maintenance panel tells me the engine oil is at 90%. So I am not really sure what is happening here. Is it something serious that I have to get fixed asap and avoid driving?