AEB and adaptive cruise acting up - is it a sensor problem?
False braking, failure to detect vehicles or intermittent ACC often relate to the camera, radar or ADAS module calibration. What to check yourself and how professional diagnostics look.
eCarService · Driver Academy
Car care guides for drivers
Learn what a warning light or worrying symptom may mean, what you can check safely and when you should stop driving.
Symptoms and possible causes Step-by-step diagnostics Practical driver knowledge
Knowledge base
83
guides to help you prepare for a conversation with a workshop.
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Learn the possible cause of a symptom
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Know what to ask during your visit
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Topics:Oil and Routine MaintenanceComputer diagnosticsTransmissions and drivetrainEngine and fuel systemEngine and ancillaries repairCheck engine light after refuellingVibrations at speed - wheels and tyresEngine and ancillariesStarting problems when engine is warmADAS and driver assistance systemsBrakesPreparing for long-term storageOil and maintenanceTransmission and drivelineBrake serviceAir conditioning and cooling serviceGearbox and drivetrainAir conditioning and coolingEngine oil consumptionOil service and maintenanceEngine and accessoriesDiagnostykaBrakes and safetyEngine and emissionsEngine and exhaust emissionsEngine and coolingSuspension and wheelsEngine and electricsSuspension and geometryTransmission and drivetrainOperation and safetyDriving safetyAir conditioningDiagnostics and electronicsSuspension and alignment
Latest guides
Knowledge that helps you understand your car
Learn about the possible causes first. Choose a location once you are ready to book a visit.
Brakes6 min
Brakes overheating after a long descent - when to act
Brake overheating after a long descent signals possible damage or malfunction. Learn how to recognise symptoms, when to stop driving and what to expect from professional diagnostics.
How to prepare your car for long-term storage
A practical step-by-step guide on what to check before putting a car away for a week, a month or longer. Protect fuel, battery, fluid systems, tyres, brakes, air conditioning and bodywork, plus a checklist for after storage.
Oil and maintenance7 min
Metal flakes in engine oil - what do they mean?
Metal flakes in oil can be normal wear or a sign of a serious fault. The article explains causes, when to stop driving and how workshop diagnostics proceed.
Noise and vibrations from the rear axle when turning
A metallic knock, humming or vibrations from the rear axle when turning can have various causes - from wheel bearings to internal differential damage. We explain the symptoms, when to stop driving and how professional diagnostics work.
Brake service7 min
Brake fluid leak under car - is it safe to drive?
A brake fluid leak is a serious fault. We explain the symptoms, common leak locations, what you can safely check yourself and how diagnostics are carried out in a workshop.
Windows fog despite air conditioning - what might be wrong
Window fogging is caused by excess moisture and ineffective air drying. Learn common causes, what the workshop will check and when to stop driving.
Clunks and grinding when changing gears - what to check
Clunks and metallic grinding when changing gears can have many causes - from gearshift mechanism adjustment to worn synchronisers or clutch problems. What to check and when to go to a workshop.
AC cools when driving but not in traffic - what to check
The air conditioning gives cool air while driving, but at standstill the airflow is weak or warm. Causes range from radiator fans to refrigerant loss. What to check and when to go to the workshop.
Computer diagnostics6 min
Intermittent electrical faults: flickering lights and failures
Flickering lights, blinking warning lamps and random device shutdowns usually point to unstable voltage or intermittent connections. How to identify the cause, when to stop driving and what the workshop will do during diagnostics.
Engine oil loss — when to act?
A drop in oil level can come from external leaks, oil burning inside the engine, problems with the crankcase ventilation (PCV) system or the turbo. We explain how to assess the scale of the problem and when to go to a workshop.
Computer diagnostics6 min
Jumping fuel gauge: what could be wrong?
An unstable fuel gauge usually means a measurement or electrical connection fault. We explain common causes, what you can safely check and how professional diagnostics are carried out.
Need help?
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Choose a workshop and describe the symptoms in the booking form.