Why does the information display stay lit when you turn off the ignition and lock the car this is a company car and there is no one to ask?

Why does the information display stay lit when you turn off the ignition and lock the car this is a company car and there is no one to ask?
Check the owner's manual first, then the manufacturer's web site. Many cars have a feature that allows the lights (including the dash lights) to stay on long enough to get out of the car and inside your destination before turning themselves off. Many are adjustable if you find out how.