Service History Fundamentals

Research on 406 engines: a carmaker-published cambelt interval for only 18 of 106 belt-driven engines, and one badge's oil service intervals can differ 2x.

George Arnold6 October 2026

FSH means full service history. What the abbreviation claims, what it doesn't guarantee, and the other shorthand in the same advert — FDSH, PSH, SH, HPI.

FSH vs FMDSH explained: what full main dealer service history means, whether it's worth more than independent history, and how to verify the claim by VIN.

How often should you service your car, and what service does it need? UK intervals explained: time vs mileage, and interim vs full vs major services.

A missed service can give a warranty provider grounds to reject a claim. How service history affects manufacturer, approved-used and aftermarket cover.

EVs and hybrids still need servicing — just differently. What an electric or hybrid car's service history should show, and why battery health matters.

Digital vs paper service books explained: pros, cons, and why it matters buying used. Pull the official digital dealer record by reg in minutes — £9.99.

Understand the difference between FSH, FDSH, and Part Service History. Learn how each affects used car values and what to look for when buying.

Learn how car manufacturers digitally record service history through their dealer networks, what gets logged, and how long records are kept.

Learn what full service history (FSH) means, what records it includes, and why it matters when buying or selling a used car in the UK.

Discover why vehicle service history is crucial for resale value, warranty protection, insurance, and buyer confidence in the UK used car market.