Resetting a proportioning valve is an important part of maintaining your vehicle's brake system. When done correctly, this process can help ensure that your brakes are functioning optimally and safely. To reset a proportioning valve, first you will need to locate the device in the engine bay; it should be located near the master cylinder. Once you have found it, disconnect any hoses or electrical connections connected to it and then remove the bracket holding it in place. Now take out the old valve and replace with a new one that has been adjusted according to manufacturer's instructions. Finally, reattach all of the components and secure them in their original position before starting your vehicle up again for testing purposes. Following these steps will help ensure that your braking system is working properly so you can drive confidently knowing that your brakes are reliable no matter what situation arises on the road ahead!