If you are interested in online learning, I have created a great resource that is ideal for general interest of learning to gain a qualification. Just follow the links below to either the UK or the USA sites:

Uk

Here is just one example from the UK material that is an introduction screen in the brakes section (right click and choose Play).

Visit www.auto-training.co.uk for more details and a free demo course...

USA

Here is an example from the USA material that is a screen in the starters section that shows the detailed operation of a pre-engaged motor (right click and choose Play).

Visit www.automotivett.com for more details and a free demo course...