
Topic
Guides
3 guides from Dashboard Warnings.

Guides
Glow plug warning light on diesel cars
The coil-shaped light on a diesel normally shows briefly before starting. When it flashes or stays on, here is what it means.

Guides
OBD-II code readers vs garage diagnostics: what a home scanner can and can't tell you
How plug-in OBD code readers work, what the fault codes mean, where they fall short of professional diagnostics, and how to use one sensibly.

Guides
Car warning lights explained: what each colour and symbol means
A UK driver's guide to dashboard warning lights: what red, amber and green mean, which lights mean stop now, and what to do next.