Auto tap is the best OBDII automotive diagnostic tool out there for the do-it-yourselfer. Manufactured in USA, Auto Tap Express DIY was recently overhauled to make it even easier to use. The complex electronics in today's vehicles require more than a socket wrench and a long Sunday afternoon to diagnose and solve problems. You need an electronic diagnostic interface designed especially for the Do-It-Yourselfer. Auto Tap Express DIY links the special OBDII (CAN) plug-in-port under the dash of your car or light truck to your computer. Then, Auto Tap Express DIY translates the signals from your vehicle's computer-controlled sensors to the Diagnostic Wizard's easy-to-read screens. It's simple to use. And oh man, it can save you money. The intuitive program helps you every step of the way with the most common problems do-it-yourselfers face. Basically, They help customers save big money on car repairs. If they decide they can do it themselves - great. If not, they go to the mechanic armed with real information - and reduce the risk of getting hosed. In short, they are an automotive gearhead's dream come true.