Proper align garage door sensors is crucial for the safe and efficient operation of your garage door system. These sensors are typically located near the floor on both sides of the door and emit an invisible beam that, when interrupted, signals the door to stop closing or to reverse direction. Begin by visually inspecting the sensors to ensure they are free from any obstructions. Remove any dirt, debris, or spider webs that may be blocking the sensors' lenses. Also, check for any damage or misalignment caused by accidental bumps or shifting. Look at the sensors and verify that they are facing each other directly. They should be perfectly aligned horizontally, with the beams of the sensors pointing directly at each other. If they are misaligned, it can disrupt the beam and affect the door's operation.