My grandma’s 1963 Buick Special has never left Broome County, New York. She took extra measures to make sure her car was well-loved and maintained in pristine condition.
When the forecast called for rain, she would take the bus and leave her Buick Special safely tucked in the garage. And if it did ever get caught in the rain, it would get wiped down once it was under shelter.
She never sat directly on the seat but on one of those rugs you put down in the front of the kitchen sink