I've been using a Toyota Prius 50 for about six months and have driven approximately 14,000 kilometers without any problems. It's practically semi-autonomous driving, making driving incredibly easy, and I want to go on a trip every weekend. For those unfamiliar with OpenPilot, please research the applicable vehicles yourself. I will also include an SDSU (a kit that controls the accelerator and brakes visually for OpenPilot; without it, only the original ACC is available) for Toyota. If you're in Tokyo, I'll provide free installation support.