I always start with the battery. Is it the original battery you have? If so it needs to replaced regardless because you are over do. Jump start if you can if it fires up after being hooked to another vehicle or after charging then it's the battery. These battery's really do give no warning before they go bad. Dozens of members that had bad batteries reported no issues before getting the no start issue like you have. Start simple before crawling underneath test the battery check the fuses and see whats up.