We asked people the last time they changed their car's cabin air filter. Over 90% of people responded "more than a year ago". Lots of people are breathing in some pretty nasty stuff. The good news is that replacing the filter is incredibly easy. It takes less than 10 minutes, the filter is less than $20 and requires no tools. How dirty was your car's filter?

If you're a good driver, a dashcam is an invaluable tool to protect yourself in case of an accident. If you're in a crash that's not your fault, it's often your word against someone else's. A dashcam provides video evidence that you weren't at fault. Defensive driving is learning and developing skills to make yourself a safer driver. Since 2000, DefensiveDriving.com has dismissed more than 4 million tickets. Our mission is to make the roads a safer place.

Here are the top 5 video submissions for our 2016 DefensiveDriving.com Scholarship. Stay tuned for tomorrow when we reveal the scholarship winner!

** https://www.defensivedriving.com ** Dismiss traffic tickets, earn insurance discounts, or reduce your points. Fast, simple, online. Visit our website to learn more. By now you've heard of the amazing power of the Tesla Model S P85D Insane Mode. To get a feel for how innocent bystanders would react to that incredible acceleration, we put a GoPro Hero 3 in the car and caught that 0-60 in 3.2 seconds in super slow mo that left the participants speechless. Watch the Tesla P85D Insane Mode in action.

On June 11, Defensive Driving took to the streets of downtown Houston to help put a stop to texting and driving by painting nails red as part of the Red Thumb Reminder campaign. Join the movement: defensivedriving.com/red

How long does it take to ruin a life? How long does it take to end one? When both texting and driving are involved, it could be no more than a matter of seconds. DefensiveDriving.com has been a leader in the driver safety industry and the #1 rated defensive driving course since 2000. State approved, with over 15 years in the business, and an A plus rating from the better business bureau, it's clear why millions of satisfied customers and counting choose Defensivedriving.com. Easy, fast, and convenient. Sign up now, and find out for yourself! Visit http://www.defensivedriving.com for more safety tips.

http://www.defensivedriving.com/ "Defensive driving school, the thought of sitting through a class is miserable. What if there was a better way? DefensiveDriving.com offers an award-winning approach to taking a defensive driving course, all online, with no classrooms, no commute. We have two easy ways to complete your defensive driving course online: -Sit back and watch the streamed video course or browse through our online text course. -Enjoy the freedom to take our courses from home, work or anywhere you have internet access, whether that's your desktop, laptop, tablet, or even your mobile phone! Signing up is simple: Create your personal login and start your course when you're ready. DefensiveDriving.com has been a leader in the driver safety industry and the #1 rated defensive driving course since 2000. State approved, with over 15 years in the business, and an A plus rating from the better business bureau, it's clear why millions of satisfied customers and counting choose Defensivedriving.com. Easy, fast, and convenient. Sign up now, and find out for yourself!"

Winter driving can be intimidating. These helpful driving tips deal with the challenges presented by ice and snow. If you have never driven a car in cold conditions, then check out this lesson from the experts at http://www.defensivedriving.com !

On the road, distractions are everywhere. In this lesson, Defensive Driving Online spokeswoman Catenya McHenry describes several common distractions drivers face both inside and outside the vehicle and how as little as three seconds of distraction can lead to serious trouble. More advice on driving safely can be found at http://www.defensivedriving.com

The end of Daylight Savings Time makes driving in the dark an essential part of commuting home for many during the fall and winter. Defensive Driving Online spokesman Jim Angelo explains some of the hazards created by darkness and offers several tips to make driving at night safer. Visit http://www.defensivedriving.com for more safe driving tips!

Driving in the fog presents dangers not present in clear conditions. Driving Instructor Zundrea baldwin, from http://www.defensivedriving.com, teaches the steps to take to stay safe and manage the risks of driving in fog.

Defensive Driving Online spokeswoman Catenya McHenry offers advice how to maintain a space cushion around your vehicle when driving, and when and how to add extra space based on conditions on the road. Visit http://www.defensivedriving.com for more safe driving tips!

Hosts Lisl Friday & René Alvarado, of the award winning video "Wheels in Motion," from http://www.defensivedriving.com, discuss when you should and shouldn't turn and the correct way to make turns when you do.

Don't let your emotions get the best of you behind the wheel! Defensive Driving Online spokesman Jim Angelo explains how certain emotions can make driving dangerous for you and others on the road and offers several ways to help keep your emotions from taking over your driving. Check out more driving lessons at http://www.defensivedriving.com

Drivers face the high anxiety situation of merging onto the highway everyday. Nationally recognized driver safety expert Dr. Terry Kline, Professor of the Traffic Safety Institute at Eastern Kentucky University, offers driving tips for safely joining the flow of traffic on the highway. This video describes the risks involved in merging and how to do it correctly and safely. Find out more at http://www.defensivedriving.com

Nationally recognized driver safety expert Dr. Terry Kline, Professor of the Traffic Safety Institute at Eastern Kentucky University, explains when not to pass, when it's okay to pass, and how to determine if you have time to pass safely. Check out http://www.defensivedriving.com for more tips!

Defensive Driving Online spokesman Ryan Wickerham presents a variety of signs on the roadway and explains what you should do when you encounter them. Find more driving tips at http://www.defensivedriving.com

This video from http://defensivedriving.com features nationally recognized driver safety expert Dr. William Van Tassel, Manager of Driver Training Operations at the American Automobile Association's (AAA) National Headquarters. Using step-by-step instructions, Dr. Van Tassel demonstrates the correct way to jump start a dead battery.

Want to know what to do if you lose control of your steering in th rain? In this video http://defensivedriving.com spokesman Ryan Wickerham explains the dangers of driving in the rain, the causes of hydroplaning, and how to avoid hydroplaning in different vehicle types.

This video from http://defensivedriving.com/ features nationally recognized driver safety expert Dr. William Van Tassel, Manager of Driver Training Operations at the American Automobile Association's (AAA) National Headquarters. He explains the technique used to maintain control of your vehicle when forced to make an emergency lane change.

In train vs. car accidents, the train always wins. This video from http://defensivedriving.com, featuring nationally recognized driver safety expert Dr. Terry Kline, Professor of the Traffic Safety Institute at Eastern Kentucky University, describes steps you can take to avoid being in a collision with a train.

This video from http://defensivedriving.com/ features nationally recognized driver safety expert Dr. William Van Tassel, Manager of Driver Training Operations at the American Automobile Association's (AAA) National Headquarters. He explains the technique used to pull out of a skid and what to do in a full spin.

This video from http://defensivedriving.com/ features nationally recognized driver safety expert Dr. William Van Tassel, Manager of Driver Training Operations at the American Automobile Association's (AAA) National Headquarters. Dr. Van Tassel provides step-by-step instructions, along with a demonstration, of how to safely change a flat tire.

In this video from http://defensivedriving.com, nationally recognized driver safety expert Dr. William Van Tassel, Manager of Driver Training Operations at the American Automobile Association's (AAA) National Headquarters explains practical steps you can take to bring your engine's temperature down as well as what to do if your cooling system is overheating.

In this video http://defensivedriving.com/ spokeswoman Catenya McHenry explains how to adjust your side mirrors to expand your view into your blindspot.

Everyone has encountered situations where right of way seemed unclear. Here, hosts Lisl Friday & René Alvarado, of the award winning video Wheels in Motion from http://defensivedriving.com/, explain how to know for certain who has the right of way in a variety of traffic situations.

This video from http://defensivedriving.com/ features nationally recognized driver safety expert Dr. William Van Tassel, Manager of Driver Training Operations at the American Automobile Association's (AAA) National Headquarters. He explains different types of braking systems, how to tell what system you have, and what to do if your brakes go out.