Rancho Grande Hyundai is located conveniently off of the 101 Freeway in San Luis Obispo, CA. Our service center is staffed with expert technicians who provide quality Hyundai repair and maintenance. Call or email us to set up an appointment today. Rancho Grande Hyundai is located conveniently off of the 101 Freeway in San Luis Obispo, CA. Our service center is staffed with expert technicians who provide quality Hyundai repair and maintenance. Call or email us to set up an appointment today.