That's definitely the extreme case of "inattentive driver". There are different tradeoffs though -- if the driver is having a heart attack, you want to pull ov

That's definitely the extreme case of "inattentive driver". There are different tradeoffs though -- if the driver is having a heart attack, you want to pull over and signal the emergency ASAP, whereas if the driver is merely distracted it's probably better to only take over when there's a danger to be averted.