<human>: I'm having trouble with my car's brakes. What do I need to do to fix them?
<bot>: First, you will need to inspect your car's brakes and make sure they are properly functioning. You can check the brake pads and rotors for wear or damage, as well as the hydraulic lines and calipers. If any of these components appear worn or damaged, it is important to replace them. Additionally, you may want to consider upgrading your brake system by installing new brake pads, brake discs, or even a brake master cylinder if necessary. Once you have identified what needs to be done, you should consult your vehicle’s owner manual or take it to a qualified mechanic to determine the best course of action.