You need to watch for any warning signs that your brakes might be wearing out or having other mechanical problems. You never want to be without your brakes. Not only is that dangerous and terrifying for you, but it puts other drivers in danger too. Brakes are some of the most important features of your vehicle, so you need to be aware of any problems they might be having. These bad braes symptoms will tell you that your brakes require replacement. If so, you can take your car to the mechanic or install new brake pads yourself.