Mechanic diagnosing a car in the workshop

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

guides to help you prepare for a conversation with a workshop.

Understand first

Learn the possible cause of a symptom

Then decide

Know what to ask during your visit

Choose a location

Book a workshop at the location you prefer

Topics:All Diagnostics Engine Brakes Suspension Air conditioning Tyres & wheels Oil service Gearbox Warning lights Maintenance

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.

Driving safety15 July 20264 min

Fuel smell in the car: is it safe to drive?

A fuel smell can be temporary after refuelling, but a persistent odour in the cabin, under the bonnet or a wet patch beneath the car requires a prompt check.

Operation and safety10 July 20265 min

VW Transporter T6: coolant loss

If coolant is disappearing from a VW Transporter T6 without an obvious leak, don't assume the worst, but don't ignore the symptom. Coolant can be lost via hoses, the thermostat housing, the water pump or a leak around the EGR and intake. The most important thing is to check for leaks and operating temperature before the vehicle overheats.

Operation and safety6 July 20265 min

Car jerks during acceleration: causes

If a car jerks during acceleration, it usually means an interruption in smooth power delivery: an issue with ignition, fuel, air, sensors or the drivetrain. A short, gentle drive may still be possible, but strong jerks, a flashing Check Engine light or loss of power require prompt diagnostics.

Operation and safety26 June 20264 min

Car before purchase: what to check?

A visual check in the car park is a good start, but usually not enough to make a safe decision when buying a used car. You may spot repair marks, worn tyres, leaks or worrying warning lights, but many faults appear only during a test drive, computer diagnostics and inspection from underneath.

Operation and safety17 June 20262 min

What is OBD? A port that can tell you more about the car than you think

Imagine your car could say:

Operation and safety17 June 20263 min

How does computer diagnostics work?

Many drivers think computer diagnostics is connecting a tester, reading a fault code and clearing it. In practice, that's only the beginning.

Need help?

Do you have a problem with your car?

Choose a workshop and describe the symptoms in the booking form.