Synthetic motor oil lasts longer and protects engines better than conventional oil, and here's the science behind whether to use synthetic oil in an older car.

Technically, the first synthetic oils were produced in 1877, which was about a decade before the first patented motor car arrived in 1885. Despite this, the former didn't find its way into the latter ...

Invest in the car’s cooling system. New radiator, water pump, and hoses are a strong move toward reliability. “Cooling systems are the number one cause for roadside breakdowns,” he warns.

A check engine light usually isn't urgent warning, but does require some diagnosis. If the oil light comes on, however, you should take immediate action.