WATCH: Aircon explained - what do all of those buttons do?

While aircon units have become standard for many vehicles not many drivers are familiar with their function

From window demister to air flow, the video above explains how aircon systems work.

This might seem mundane, but it's so important to know how your aircon functions, and what your preferred settings might be.

It's crazy watching motorists in traffic with old or new cars, and their windows are fogged up during cold weather. It could cause a collision, and it also keeps the driver distracted from staying focused on the road ahead.

So do yourself a favour and make sure you know which buttons do specific functions.