Dashboard Warnings
Clear, jargon-free explanations of every car dashboard warning light with troubleshooting guides.
Latest 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.
Electric car warning lights vs petrol and diesel: what's different
Which dashboard warnings electric and hybrid cars share with petrol and diesel cars, the EV-only lights you need to know, and what to do when they appear.
10 mistakes UK drivers make with dashboard warning lights
The common ways drivers turn a small dashboard warning into a big repair bill or an MOT failure, and what to do instead.
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.
Guides
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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.
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.
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.
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