Learning a new route to parents’ house

I’m driving back to my parents’ home from a state park on a beautiful summer day.

My mother is riding shotgun; my dad is in the back seat. I have Google directions on my car dashboard, out of habit.

“We know how to get home!” my mother says. And of course she does.

“Turn here,” my mother says. “Turn in one-quarter mile,” Ms. Google orders.

Now I am in a quandary. “That’s wrong,” my mother says – meani…