Designed to benefit those who rely on their bicycles, Sue Knaup's gear shifter aims to be a more durable, affordable and repairable alternative to common shifters. She now wants to mass produce it and ...

When a gear lever suddenly feels stiff or refuses to move out of park, it is more than an annoyance, it is a warning that something in the driveline or its controls is not working as designed. I look ...

The automatic transmission in a typical car or truck handles multiple driving modes, like D for Drive, R for Reverse, or N for Neutral. The system also includes a parking mechanism, often marked P, ...

Engineers and automotive designers have done their best to make sure the complicated machinery we call cars are easy to drive and understand — especially the parts that are important to our driving ...

If you drive a car with an automatic transmission, chances are you're used to and fond of the seamless way in which these devices allow us to drive. There's no shifting manually, no need to perfectly ...

The component defect in the Paccar recall could result in a loss of communication between the gear shifter and the transmission. More than 116,000 Kenworth and Peterbilt trucks are being recalled for ...