Autonomous cars are just now barely starting to end up on our roads, in limited numbers and in limited ways. For now. We’re in an interesting transitional period, and there’s still lots of ...

Dashboard indicator lights can be confusing if you haven't memorized the entire list. What does the boat symbol on your dash mean?

The indicator lamp requirement, which is included in the Federal Motor Vehicle Safety Standard that governs air-braked vehicles, was originally scheduled to sunset March 1, 2009, but had ...

A The warning light in the lower left corner of your dash is the "malfunction indicator lamp," known in generic terms as the check-engine light. If on continuously, it means that the PCM ...

The existing indicator lamp requirement originally was scheduled to sunset on March 1, 2009, but the National Highway Traffic Safety Administration published a final rule on Aug. 25, 2009, that ...

The design as drawn is intended to run up to eight typical automotive bulbs, such as you might find in indicator lamps. However, [Chris] demonstrates the circuit with just four.