Safety tips for a garage door are as follows: If springs break it can result in the door malfunctioning and injury can occur. Frayed cables could snap and cause injury. Checking to see if your springs are squeaky- this is not cause for concern, they may squeak due to use. Its better to let a trained professional install your garage door, but if you decide to do it yourself make sure to follow the manual to a T. Safety cables will keep you safe if a spring with high tensions starts to break. If you do not have safety cables call your local door dealer for an inspection. If your door is struggling to go up and down, then you may have a balance issue with your spring system. Call a trained professional to fix a spring system because they can be dangerous. If you have to manually open your door, make sure to pull down or up using the handles. If your fingers slip in between the door sections, then you could potentially pinch it. Loosening brackets while springs are under high tensions can be very dangerous. Many companies have brackets that can not be loosened by a novice. Don't use an old track for a new door. The track and the door may not fit together which could cause problems in the long run. Make sure you are getting you door checked at least once a year by a trained professional. Make sue you know where the owner's manual for your door is at all times.