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10.0

really awful
Crashes / Fires:
8 / 0
Injuries / Deaths:
2 / 0
Average Mileage:
24,290 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2012 Toyota Prius brakes problems

brakes problem

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2012 Toyota Prius Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #4

Aug 272012

Prius 4-cyl

  • 1,000 miles

A D V E R T I S E M E N T S

Vehicle is parked outside, and during morning cold start, the vehicle produces a moaning/wooing sound for approx. 50-75 yards with vehicle moving under 25 mph. The sound is being generated from the front wheel wells. Sound generated is related to vehicle speed. The faster the vehicle moves, the more frequent the sound being produced during the first 50-75 yards. Strange sound is gone after that, and does not return until the next cool/cold start. Owner took the vehicle back to dealership for inspection, and dealer took off the front wheel to inspect brakes, wheels, and tires, and was not able to locate or reproduce the problem. Abnormal sound is only produced during morning cold starts and when vehicle is left to cool(I.e. parking lot at work).

- San Diego, CA, USA

problem #3

Aug 012012

Prius

  • 2,400 miles
Repeating several-second groaning or grinding noise heard from rear wheel area upon startup motion. The noise is severe and sounds like low-pitch metal grinding. It's potentially brake related but could be suspension bushings or other components rubbing against one another. It does not sound like typical brake glazing. The noise occurs in all weather conditions and typically after vehicle has been sitting for several hours or overnight. Noise continues for several minutes at stop and start. Noise is loud enough to startle an experienced driver. The absolute severity and indication of the sound is enough to question safe ongoing functionality of braking and/or suspension systems. Multiple reports are documented online at priuschat.com. Toyota does not appear to have a fix or resolution at time of writing, 10/2012. This is for 2012 Prius V model five.

- Pasadena, CA, USA

problem #2

May 012012

Prius

  • 3,000 miles
The contact owns a 2012 Toyota Prius. The contact stated that while depressing the brake pedal, the brakes locked up. The contact continued to depress the brake pedal and shut the vehicle on and off by pushing the start button. The failure occurs intermittently. The contact also noticed the brake pedal drops to the floor board about a half inch when starting the vehicle. The manufacturer was made aware of the failure and a complaint was filed. The vehicle was taken to the dealer who was unable to diagnose the failure. The vehicle was not repaired. The approximate failure mileage was 3,000.

- Spanaway, WA, USA

problem #1

May 142012

Prius 4-cyl

  • 1,800 miles
As I was approaching a turn I began to brake and the brakes failed. I tried pressing the brake pedal harder and making sure that I had proper foot placement and it felt like the car accelerated at that point. Since the car was not slowing down I was unable to make the turn and ended up crossing the road diagonally and going up onto the curb. Once the car was over the curb and in the grass the brakes finally engaged and the vehicle came to a stop.

- Portland , OR, USA

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