ANDREA FUJII: This morning, GPS is being blamed for leading tourists astray in Hawaii. BYSTANDER: Hurry, it's going under! Hurry up and get out! ANDREA FUJII: For the second time in just over a month, a driver mistakenly drove down a boat ramp at Honokohau Harbor and landed in the water. Her SUV quickly submerging. A local fisherman was one of those who helped get her to safety. - We actually threw her a flotation device. She used it to basically swim over to our boat and then we pulled her out. - Thank you - Watch where you're stepping, OK? ANDREA FUJII: It was a similar story in late April-- - I'm pretty sure that wasn't supposed to happen. ANDREA FUJII: --when another tourist drove down the same boat ramp. She and her passenger were also helped by locals. Both drivers say they were following GPS to meet a tour group and didn't know they were driving into the harbor. - They thought it was a puddle. It was raining. Both nights it was raining. But on the other side, you have a sailboat tied to one side on the first time. And you have a boat coming on the other side on the next time. So it's hard to say why they're taking it down a boat ramp. ANDREA FUJII: But GPS mistakes have happened before. In 2019, dozens of drivers got stuck in the mud in Colorado, after a GPS detour sent them onto an isolated, narrow path. - It was a mess. - Why did Google send us out there to begin with? It just didn't make any sense. ANDREA FUJII: And that same year in Massachusetts, a woman was stuck on a busy section of train tracks after she said GPS told her to make a wrong turn. In a panic, she called 911. DRIVER: I'm across the train tracks. And I can't have the train come across the train tracks right now. - Fortunately, in all these incidents, no one was injured. Back in Hawaii, it's not clear how a navigation app took the drivers down the boat ramp, as all the main apps, like Waze, Google, and Apple, show water where the boat ramp is, not a roadway.