My oil warning light came on after 5000 miles - should I be concerned?

I bought a new Golf at the end of 2018 which I intend to keep long term. It drives very nicely but after 5000 miles the oil warning light came on, I topped up with synthetic 0/20 grade oil, about 500 ml...

How often should modern diesel engines have an oil change?

I have just purchased a used Jaguar F-Pace with 10,000 miles on the clock. Jaguar says the next service is not due until October 2020 or after 21,000 miles. I seem to recall you suggesting that diesels...

A classic Rolls Royce I'm considering buying has a noise from the hydraulic tappet - will an oil change solve this?

I'm looking at buying a Rolls Royce Silver Shadow 2. The car is excellent with a new MoT by a trusted specialist but the engine has a tap from a hydraulic tappet. It has had little recent use and it is...

Volkswagen Passat (2001 - 2005)

A better drive and better equipped than the previous Passat. Comfortable and has more status than, say, a Ford Mondeo.