NHTSA Complaint #10957833 — 2017 TOYOTA COROLLA

WHILE USING CRUISE CONTROL ON FAIRLY LEVEL ROADWAY, (RURAL ROAD) AT A SPEED OF 45 MPH, THE RPM WERE ABOUT 1500, BUT INCREASED SUDDENLY TO ABOUT 4500 RPM. AFTER AWHILE THE RPM WOULD DROP BACK DOWN TO NORMAL FOR THE SPEED SITUATION. THIS OCCURS ALSO AT HIGHWAY SPEED OF 60 MPH IN OUR AREA. THIS OCCURRENCE HAS HAPPENED MANY TIMES. HAVE RETURNED TO DEALER TWICE NOW. PROBLEM WAS OBSERVED BY SERVICE MANAGER AND LOCAL TOYOTA REP WHO WAS IN TOWN FOR LOCAL AUTO SHOW. CAR WAS ANALYZED AND DATA SEND TO ENGINEER IN CALIFORNIA WHO LATER SAID CAR IS BEHAVING NORMAL. I FOUND THAT HARD TO BELIEVE AS BOTH LOANER CARS (2017 COROLLA) DID NOT BEHAVE IN THIS DANGEROUS FASHION. I FEEL THIS QUICK BRUSH OFF BY THE ENGINEER (TANAKA) WHO IS ONLY OBSERVING DATA AND NOT HAVING TO DRIVE THIS CAR IS WRONG. I FEEL THE COMPUTER SHOULD BE ADJUSTED FOR THE CVT TO SOLVE THIS PROBLEM. WIFE DOES NOT FEEL SAFE DRIVING THIS VEHICLE. WE HAVE TAKEN 3 VIDEOS TO DOCUMENT THIS EVENT.