I am writing to report a serious safety issue with my Nissan Leaf that needs immediate attention. On two separate occasions, the brakes have failed completely without any warning while driving. A warning light appeared, stating "T/M System Malfunction Warning - See Dealer," but by that time, the brakes had already stopped working. The only way to stop the vehicle was by using the emergency brake, which is extremely dangerous and could easily lead to a fatal accident. The first incident occurred when I was able to quickly pull into a Walmart parking lot, luckily avoiding other vehicles. The second time, the car crashed into the side of my garage and hit a tree stump in my driveway, causing damage to the rear of the car and breaking the side mirror. I was fortunate enough to engage the emergency brake before the car entered the road, but it was a terrifying experience that could have ended much worse. Fortunately, did not happen while my teenage children and their friends were driving the car. After researching this issue, I was shocked to discover that many other Nissan Leaf owners have experienced similar brake failures dating back to 2012. This is not an isolated incident, and I am deeply concerned that it continues to happen without resolution. When I brought my car to the dealership, they informed me that the issue is related to the Intelligent Brake Unit Controller, and the repairs would cost $5,000. However, my vehicle is only five years old with 62,000 miles, and I b