Ben 's son in the film The Fundamentals of Caring was killed when his father 's car rolled down from the steep driveway where it was parked and hit him .
Ben ( Paul Rudd ) is a retired writer , who lost his son three years ago when Ben parked his car on their steep driveway and the car suddenly rolled down impacting his son , and whose wife is trying to divorce him .
The Fundamentals of Caring