Whenever you have a garage door, you should make sure you know about proper maintaining your garage door. Garage doors have moving parts and anytime you have moving parts can break parties. If you have a standard garage door mechanism, it still has moving parts like torsion spring that should roll at the top of the garage so you can get the car you may even garage doors that you have learned open like a barn door or gate of the house. All these part require proper maintenance.
An important point to consider about an automatic garage door or electric is it weighs a lot. As you use your garage door every day there are the various bars and tension springs for the up and down electrically well. All metals have a point of fatigue and the parts that make your garage door work also have a point of fatigue. When you think about safety in your home and garden, you should also think about the safety of your garage door. When a bar of spring or the tension reached the point of fatigue, it will give you no warning what so ever. When it is broken, you can see and hear a lot of books crumble in an instant. When this happens, the safety reversal built into the door does not work and the garage door hit the cement floor garage. So you should try to avoid dangerous garage door accidents.
Then there is the time that you open your garage door and it is broken and of course your car is locked inside the door. You may or may not have a way to manually open the door. And if you have instructions you can not have a clue what to do. Thus, you can always get hold of a company of garage door repair that goes out in an emergency.