IgnitionSync guides

Guides for clearer car decisions

Evidence-led explanations for common vehicle questions, written to help you understand the situation before you decide what to do next.

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Useful context before the next car decision.

Guides

What a flashing check-engine light means

Understand why a flashing check-engine light needs prompt attention and what an OBD scan can tell you next.

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Guides

How to inspect a used car before you buy

A practical used-car inspection checklist covering history, bodywork, tires, fluids, warning lights, road testing and independent inspection.

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Guides

How to read a Japanese auction sheet

What an auction sheet is, what an inspector records on it, how to request the original, and how to use it with the export and inspection certificates.

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