Observe before guessing
When, where and how a symptom appears can be more useful than choosing a part too early.
These practical guides help you describe the problem, recognise urgent warning signs and ask what testing supports a repair recommendation.
Check a repair cost →When, where and how a symptom appears can be more useful than choosing a part too early.
Each guide identifies signs that mean stop driving and arrange inspection or recovery.
Use the workshop-check section to understand what should support a diagnosis.
Use the sound and behaviour at the key or start button to narrow down a no-start problem before arranging diagnosis.
Read symptom guide →Understand repeated flat-battery faults, including battery condition, charging problems, parasitic draw and vehicle-use patterns.
Read symptom guide →Recognise overheating warnings, respond safely and understand the cooling-system checks that should support a repair recommendation.
Read symptom guide →Separate common brake noises from urgent warning signs and understand what a proper brake inspection should cover.
Read symptom guide →Understand the difference between a steady and flashing engine light, what fault codes can and cannot prove, and how diagnosis should proceed.
Read symptom guide →Use where and when the vibration occurs to understand likely tyre, wheel, driveline and suspension checks.
Read symptom guide →Understand brake judder, rotor variation and the suspension checks needed before approving replacement parts.
Read symptom guide →Understand weak car air conditioning, why a regas may not be the whole repair, and which checks should support a quote.
Read symptom guide →Browse the repair-cost library for job scope, price factors and questions to ask before approving a quote.
Browse repair-cost guides →