If your car's more than 10 years old and you've never lubricated its locks, I bet this cheap and simple job will make your keys seem to magically work better. So here's a rundown of two common types ...

Add Yahoo as a preferred source to see more of our stories on Google. If your key won’t go into a door lock, don’t reach for the WD-40. All you need is a graphite pencil to solve the problem. Over ...

This simple pencil hack uses graphite to free up sticky pins — and it actually works. Use graphite from a pencil to temporarily lubricate a sticky door lock. Avoid WD-40; it attracts dirt and worsens ...

If your key won’t go into a door lock, don’t reach for the WD-40. All you need is a graphite pencil to solve the problem. Over time, dust and dirt make their way into the door lock cylinder, causing ...