Understanding how your vehicle works
It is true that over the last few decades, cars have become a lot more complex making it harder for the individual to work on. Historically most people could do jobs such as changing a brake disc or cambelt relatively easily, but with specialist tools needed, covers over parts of the vehicle and improved technology, this is no longer the case.
It is important as a car owner to try and understand your vehicle and familiarise yourself with the main components. When you first buy a new or second-hand car you should check to see where all the fluid level markers are. Start to understand what is under the bonnet and what levels need to be for optimal performance. Also, check your tyres, see what pressure should be in them and if you have locking wheel nuts fitted then be sure you know where the locking nut is.
Knowing a little bit about your vehicle can help you to diagnosed simple issues which may save you time and money that you would spend in a car garage. It also allows you to be confident in talking to mechanics about work that may be required on your vehicle, helping to ensure you do not get ripped off.