There are 2 stored owner reports matching the powertrain & transmission leading-label group for the 2018 Toyota Prius in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)Stopped at red light, then the car didn't accelerate when hitting gas. Engine revs but the car does not accelerate. It happened multiple time when the car was out in sun with full ac on(100f). Happened once in intersection and almost got hit head on
THE GEAR WOULD SHIFT EITHER FROM 'DRIVE TO NEUTRAL' OR 'REVERSE TO NEUTRAL' THIS HAPPENED MORE THAN 10 TIMES WHEN I HAD MY SISTER, MOTHER, AND FATHER IN THE CAR. 1) IT HAPPENED WHEN I WAS PULLING OUT OF THE GARAGE (ABOUT 20 DEGREE ANGEL) GOING UP THE HILL. I WENT TO PICK THEM UP, ALL 3 PF THEM WENT IN. I HAD MY FOOT ON THE BRAKE AND GEAR ON DRIVE, WHEN I LET GO OF THE BRAKE THE GEAR SHIFTED AUTOMATICALLY ON NEUTRAL. AFTER, 3 TRIES, THE CAR FINALLY WAS ABLE TO GO FORWARD WITHOUT STRUGGLE. 2) I WAS TRYING TO BACK IN ONE OF THE SPOT (FLAT GROUND), FOOT ON THE BRAKE, GEAR ON REVERSED. WHEN I LET GO OF THE BRAKE THE GEAR SHIFTED TO NEUTRAL AUTOMATICALLY. I STRUGGLED FOR 3-4 TIMES BEFORE THE WAS ABLE TO HOLD ON REVERSED AND PARK THE CAR SAFELY. 3) WHEN I WAS IN THE MIDDLE OF THE INTERSECTION (FLAT GROUND). I HAD MY FOOT ON THE BRAKE, WHEN I FINALLY WAS ABLE TO MAKE A TURN, MY FOOT ON THE FOOT AND GEAR ON DRIVE, WHEN I LET GO OF THE BRAKE THE GEAR SHIFTED TO NEUTRAL OF THE THE SUDDEN, I HAD TO TRY 3-4 TIMES BEFORE IT WAS ABLE TO MOVE FORWARD WITHOUT A STRUGGLE 5) I WAS ON A HILL (ABOUT 20-30 DEGREE ANGLE) FACING UP. MY FOOT WAS ON THE BRAKE AND GEAR ON DRIVE, WHEN I LET GO OF THE BRAKE THE GEAR WAS SHIFTED TO NEUTRAL. I STRUGGLED FOR 5-10 MINUTES (GOING FROM DRIVE TO NEUTRAL BACK IN FORTH) AS MY CAR WAS NOT ABLE TO HOLD DRIVE MODE, I EVENTUALLY ASKED MY FAMILY TO GET OUT OF THE CAR AS I WAS GETTING WORRIED AND FRUSTRATED, MY FAMILY WAS OUT OF THE CAR BUT I WAS STILL STRUGGLING, IN THE PROCESS I HIT A CAR BEHIND ME. 6) I WAS FINALLY ABLE TO PARK THE CAR IN WITH ANY PASSENGERS AND SOMEWHERE FLAT GROUND. I LEFT MY CAR FOR 30 MINUTES AND CAME TO DRIVE MY CAR. I STARTED MY CAR, I HAD MY FOOT ON THE BRAKE AND GEAR ON DRIVE. I LET GO OF THE BRAKE THEN MY GEAR SHIFTED TO NEUTRAL AGAIN, I STRUGGLED FOR 3-4 TIMES BEFORE THE CAR WAS ABLE TO HOLD ON DRIVE
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.