In this report: The three classic vehicle checks every car owner should know - and perform at least once a fortnight (or every second time they fill up with fuel).

The checks are simple to do and they could save you thousands - in sidestepped repair bills.

Coolant level - a simple underbonnet sightseeing exercise in most modern cars.

Oil level - you just need to remove the dipstick and have a rag handy...

Tyre pressures - and remember, the air at the filling station is one of the few things in life that is still free. Amazingly, many people still don't use it...