The proper adjustment of the brake pedal is necessary to give the driver maximum control over the brakes. An imporperly adjusted pedal can undermine the driver’s confidence and concentration, creating a potentially dangerous situation. The brake pedal height is the most common pedal adjustment, and is easy to do yourself if you know how.
Park the car on level ground and set the parking brake. Move the driver’s seat as far back as it will go.
Push on the brake pedal with your fingers and note how much free play there is in the pedal. It should move about 1/8 to 1/4 of an inch before it starts to engage the brakes. If the pedal has no free play then it is constantly engaging the brakes, causing them to drag and wear prematurely. If there is too much play the brakes will feel soft and mushy.