What 91 owners told NHTSA about the 2017 Lexus RX 350h

I WAS SITTING AT A COMPLETE STOP FOR MORE THAN 45 MINUTES BEHIND A FATALITY ACCIDENT ON THE HIGHWAY THEY HAD CLOSED WHILE OCCASIONALLY REMOVING FOOT FROM BRAKE TO INCH FORWARD A FEW FEET A BEST AND THEN STOP AGAIN NEVER TOUCHING THE ACCELERATOR WHEN I REALIZED AT ONE POINT TRAFFIC BESIDE ME WAS MOVING, I THOUGHT, IT WAS MY RX 350 WHILE PRESSING BRAKE ALL THE WAY TO THE FLOOR WITH NO RESISTANCE I ATTEMPTED TO PUT THE CAR IN NEUTRAL TO SEE IF IT WAS SLOW ME DOWN AS AN UPCOMING CRASH WAS UNAVOIDABLE. NO BRAKE ASSIST, PRECOLLISON WARNING OR ASSIST, NO EMERGENCY BRAKING, NO RESISTANCE FROM BRAKE PEDAL AND ***NO WARNING LIGHTS CAME ON AT ALL PRIOR TO IMPACT WITH THE BACK OF A STOPPED SEMI TRUCK** and during the entire incident the speedometer remained at zero or moved a tiny bit off of zero as if it was pulsing somehow and the accelerator was never touched while car felt like I was being pushed from behind, randomly accelerating on its own before impact.

NHTSA ODI 11543106

Rear ended vehicle automatic braking did not activate

NHTSA ODI 11469282

TL* THE CONTACT OWNS A 2017 LEXUS RX350. WHILE DRIVING APPROXIMATELY 60 MPH, THE AUTOMATIC BRAKING SYSTEM BECAME INOPERATIVE AND THE CONTACT REAR ENDED A TRUCK. THE CONTACT APPLIED SIGNIFICANT PRESSURE TO THE BRAKE PEDAL, BUT THE BRAKES DID NOT RESPOND. THERE WERE NO WARNING INDICATORS ILLUMINATED. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO THE POLICE DEPARTMENT IMPOUND LOT IN CONYERS, GEORGIA. THE CONTACT'S INSURANCE COMPANY WAS MADE AWARE OF THE CRASH AND REQUESTED THE CONTACT'S APPROVAL FOR THE VEHICLE TO BE ASSESSED FOR DAMAGES BY A LEXUS DEALER. IT WAS NOT DETERMINED WHETHER OR NOT THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS MADE AWARE OF THE CRASH AND PROVIDED CASE NUMBER: 1811210065. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ODI 11153331