This guide will ensure you're safe and seen on the roads. They light the way at night, help you indicate when turning and warn other drivers of your presence in poor conditions – your car lights are vital to staying safe on the road. But if a bulb blows, do you know how to change it? Follow this guide and you'll not only save money, but also stay legal and safe while driving.

When a bulb blows

Unless you check your lights on a regular basis you won't notice something's amiss until other drivers flash their lights at you. Thankfully bulbs don't fail all that often, but when they do, it tends to be the lights that do the most work – like a brake light.

Car lockouts are no fun. In this stressful situation, people are eager to find a quick solution to get them back in their cars and on the road, and Internet forums are full of people saying that cell phones can solve lockouts for people who have vehicles with remote keyless entry. But is it true?

Unless you can use them to call a friend or family member who can physically bring you a spare key, no, cell phones aren't the answer for lockouts.

The suggestion that cell phones can solve lockouts is an example of cyber-storytelling that has been debunked in several locations. Our favorite source for checking out urban myths and chain e-mail stories is Snopes.com. Read what Snopes has to say about cell phones for lockouts.