A garage door opener has become an almost indispensable part of modern life. It offers an overwhelming number of convenience and safety features that will make you wonder how you lived without one for so long. On a rainy night, the last thing you want to do is climb out of your car and heave the garage door open manually. Some garage door openers include an outdoor keypad that enable you to punch in a code to open the door – just in case you don't have the remote control or your house keys. From a safety standpoint, a garage door opener securely holds the garage door shut, preventing entry by intruders. It also has sensors that reverse the door when closing on an obstruction. Installation procedures can vary from one manufacturer to another. However, many of the installation concepts are the same. The information in this DIY video tutorial will give you a good idea of what you can expect. The best advice is to also follow the instructions that come with your new garage door opener. Take a look!