Garage door openers are integral to all the homes. They come in all sizes and are used many times a day. Although, we may not realize that but they are very important from security point of view also. As such, it is very important to acquaint yourself with this daily wonder.
There are other parts and mechanicals associated with garage door openers that make them pretty complex to the 'average Joe'. Thus, it is extremely important that they are maintained properly and always handled/repaired by a certified garage doors repair technician. The electronics section should be out of reach of children to prevent settings mismanagement.