Apart from this being a very basic feature in almost every (premium) car manufacturer offers, this is a very grave misunderstanding of human psychology. You can

Apart from this being a very basic feature in almost every (premium) car manufacturer offers, this is a very grave misunderstanding of human psychology. You can never cancel fear with good news. Otherwise we'd be happy about how safe we are today, not worrying about terrorism (in the US that is, there are countries with legitimate elevated terrorism risks that are scary and actually worrisome).