Polaris — Timothy Brown

Polaris is a post-apocalyptic  Science Fiction novella that begins in the last decade of the 21st century. In a heat blasted uninhabitable Death Valley of the future, an old man named Robert clings to survival,. His only companions are an intelligent but obtuse car and a rebellious robot companion. Together, this unlikely trio find a haven from the apocalypse that has destroyed civilization. Left with only his two AI companions, Robert is awash in memories of the  long years of his life, while the two machines find themselves increasingly at odds with each other over Robert's fate, the price of survival and ultimately the meaning of life.