When the ignition key is turned, it rotates a plastic disc inside the ignition switch. A small metal part, called the detent plunger, slides into notches, or “detents,” in the plastic disc.

Most drivers think of the ignition switch as the slot where they insert the key to start their car, but that’s actually the ignition lock cylinder. The ignition switch is a more complex ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who ran into trouble after installing a new ignition switch. The post Did swapping an ignition switch do more harm than good?

The ignition switch can handle that. But if you carry around 20 keys, that's a fair amount of weight. That constant downward tug on the ignition switch can cause it to wear out prematurely." Sources ...

Honda Motor Co. is recalling the popular Accord and Civic passenger cars to address problems with an ignition switch that could allow the key to be removed without the transmission being shifted ...

GM’s ignition-switch recall may have reached new heights Thursday, with one auto-safety group declaring that 303 people have died as a result of airbags failing to deploy in two of the six cars ...

DETROIT — General Motors will pay $120 million to settle claims from dozens of states in its massive ignition switch defect scandal. The settlement comes after the U.S. Supreme Court ruled ...