How It Works Ignition coils are a key component of a car's ignition system. They take the low voltage from the battery (12 volts) and transform it into a much higher voltage (typically up to 45,000 volts) that is required to create a spark at the spark plug. This spark...

How It Works  Antifreeze is a liquid substance that is added to a vehicle's cooling system to lower the freezing point of the coolant. It also raises the boiling point of the coolant to prevent it from boiling over in high-temperature conditions. This helps to protect the engine from damage...

How It Works  As cars continue to evolve, so do their transmissions. One of the more recent innovations in transmissions is the Continuously Variable Transmission, or CVT. A CVT is a type of automatic transmission that doesn't have traditional gears, instead it has a belt and pulley system that allows...