While pressing on brake while going low speed to stop at a red light, the car accelerated before braking. A few minutes later, I was attempting to park in a parking garage. While pulling into the parking spot I applied the brake to come to a complete stop. Instead of decelerating, the car aggressively accelerated into the cement barrier at the head of the parking spot.

- Exton, PA, USA

I am requesting that NHTSA investigate expanding/adding-to the recall of Toyota Prius coolant inverter pump failures* to include coolant storage pump failures blowing a main fuse causing dangerous loss of all power and control. On May 31st, 2014, while traveling at about 60mph, without any warning, the car instantly shut down: No drive power, no power steering, no power brakes, no front panel display. This was a dangerous situation. After diagnosis, the Toyota dealer with assistance from Toyota corporate concluded that the "coolant storage pump" (not the coolant inverter pump as in the recall) was the cause of this blown "am-2" 15-amp fuse which shut down the hybrid system, power steering, brakes, etc. They indicated that the coolant storage pump fault was a known cause. This car is well-maintained, dealer maintained. It had all the recent recall updates installed. It was a mild day ~75deg. We'd been driving about 10 mins after a 30 minute stop. Vehicle load was not a factor -- two slim adults, no cargo load. No electrical charging loads. I am very concerned with the safety implications of immediately losing all power, power brakes, power steering, without warning, because of a single coolant pump fault. Can you please investigate this. I hope they fixed my vehicle. And I hope if anyone else has this problem its not deadly. Thank you, * recall of inverter coolant pump 12V536000: "...open fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash." Ps I found another complaint that might be related (..shut off in traffic, similar VIN, NHTSA id number: 10567158). Though this complaint seems to be focused on the costs replacing additional pumps.

- Poway, CA, USA

The assisted hydraulic brake pump seems to not be working correctly, there's a pump noise that keeps coming on in the cabin, like the brake pump cannot keep pressure. It's a rattling noise that is coming on and it's every few seconds. Like it's trying to build pressure to assist braking.

- El Monte, CA, USA

The contact owns a 2006 Toyota Prius hb. The contact stated that while attempting to start the vehicle, she noticed that the emergency brake light would not disengage after releasing the brake. The contact continued to drive the vehicle however she noticed there was an increase in braking time when applied. The vehicle was towed to the dealer, who stated that the stroke sensor retention logic failed and the speed control ECU would need to be replaced. The manufacture was not contacted. The vehicle was repaired. The failure mileage was 48,219.

- Bakersfield , CA, USA

On Tuesday, September 10, 2013 at about 8:10 a.M., I was driving on holcombe in houston. There was traffic. At one point, I needed to stop from a fairly low speed (perhaps 10 mph), as the car in front of me had stopped for a light. I brake using the floor pedal. But the brakes did not engage at all; it was as though I had not even touched the brake. The car didn't hesitate or die; it just continued moving until it hit the car ahead of me. Fortunately I was not traveling at a high speed and neither the driver of the car I hit nor I have apparently been injured. But had this happened at a higher speed the outcome could have been quite different. My Prius has been the subject of several safety recalls, all of which I've had performed. And only a few days before the accident, the car had passed its annual state safety inspection. From this and because it was clear that the brakes did not engage at all when I braked before the accident, it appears to me that this accident was a function of a brake defect in the Prius, perhaps a short somewhere in the system.

- Houston, TX, USA

The vehicle unexpectedly shutdown while driving. There was no power and the brakes were boggy. The red triangle warning light came as well as the ABS and engine warning lights. After pulling over the car restarted and drove fine but the red triangle remained on. The next day it was working fine. Toyota was unable to find anything except a low voltage warning.

- Arcata, CA, USA

I found that there is malfunction on the buttons on steering wheel, especially info button and buttons for climate. I researched the problem on internet and I found the problem is caused by a bad clock spring. Also, I found the clock spring is related with air bag module. There are a lot of owners have the same problem (such as priuschat.com). I think that it could be a recall issue. And I experienced another problem. The accelerator pedal of my car was repaired by the recall service before. But when I release the accelerator pedal and try to push brake pedal, there is difference of height between both pedals. The height of brake pedal is higher than the accelerator pedal, even if I released the accelerator pedal. So it is dangerous to operate both pedals. When I tried to push the brake pedal after I released the accelerator pedal, my right feet was stuck with the brake pedal. I think the recall service for the accelerator pedal of my car was not successful. Or there is another problem on the brake pedal of Prius.

- Overland Park, KS, USA

The contact owns a 2006 Toyota Prius. The contact stated that the brakes failed, causing the contact to crash into another vehicle. The contact was reported injured however a police report was not filed of the incident. The contact had the vehicle towed to a repair shop for inspection but the cause of the failure was unknown. The manufacturer was notified but advised the contact to speak with his insurance company. The failure mileage was 122,000.

- Los Angeles, CA, USA

I needed to wait for a service person to arrive and open the door to their business. After several minutes, while gear was set in park outside a building with the motor running and radio on, the car suddenly jumped ahead by several inches. It stopped just as suddenly. Very scary. I have left the car in park with the motor running a few more times to see if it would do it again. No repeat incident so far. It moved a short distance, but would have been enough to hit a curb, person, or container who/that was near the car.

- Durham, NC, USA