Yesterday [XXX] as I was driving with my wife present, suddenly warning popped up: Stop the car, hybrid break system safety, not safe to drive, or something close to that, I don’t recall exact words. The car started to sputter , the brake pedal lost power meaning no brake, I quickly looked at the rear view mirror, luckily there was no car coming up close to me, the car lost speed and I slowly drove into an almost vacant parking lot across Lowe’s, turned the engine off. Waited 30 minutes and start the car and the issue was gone. The same thing happened almost a month ago but that time the car was parked and hybrid brake system safety popped up as I tried to start the car and went away after 45 minutes of the engine being off. Had yesterday’s episode happened while I was driving on the highway two weeks ago to visit my grandsons in Fontana, I would have surly killed in an horrific accident. My vehicle is Optima Hybrid. Thank you. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)