The colour already says a lot: red means stop, amber means have it checked soon, green and blue are information. Find your light below.
The engine has too little oil pressure. Without oil it can be badly damaged within minutes.
What to do: Stop safely as soon as you can, switch off the engine and check the oil level. Don’t drive on if the light stays on.
Have it checked: Check Engine Light Diagnosis · €45 →The engine is overheating, often from low coolant, a leak or a faulty fan.
What to do: Stop safely and let the engine cool down. Never open the coolant reservoir while the engine is hot.
Have it checked: Check Engine Light Diagnosis · €45 →The battery is no longer being charged, usually because of the alternator or drive belt. The car runs on the battery until it is flat.
What to do: Switch off what you don’t need (heater, radio) and drive straight to a garage. Don’t switch the engine off on the way.
Have it checked: Check Engine Light Diagnosis · €45 →Low brake fluid or a fault in the braking system. On some cars it also means the handbrake is still on.
What to do: Check that the handbrake is off. If the light stays on, don’t drive on and have the car checked.
Have it checked: ABS / Airbag Diagnostics · €55 →There is a fault in the airbag system. In a crash the airbags or seatbelt tensioners may not deploy.
What to do: You can drive, but have it read out as soon as possible: it is about your safety.
Have it checked: ABS / Airbag Diagnostics · €55 →The power steering isn’t working or only partly. Steering gets heavy, especially at low speed. Red is serious, amber less urgent.
What to do: Drive carefully to a garage and have the fault read out.
Have it checked: Check Engine Light Diagnosis · €45 →Someone isn’t wearing their seat belt. If it stays on while everyone is buckled up, a buckle or seat sensor may be faulty.
What to do: Fasten your seat belt.
The engine computer has stored a fault, from a loose fuel cap to misfiring cylinders. If it flashes, it is serious.
What to do: Steady light: have the fault code read soon. Flashing: drive gently and stop as soon as you can.
Have it checked: Check Engine Light Diagnosis · €45 →The anti-lock braking system isn’t working. Normal braking still works, but wheels can lock in an emergency stop. Often a wheel speed sensor.
What to do: Drive carefully and have it checked soon.
Have it checked: ABS / Airbag Diagnostics · €55 →Flashing while driving means the system is working on a slippery road: normal. Staying on means it is switched off or faulty.
What to do: If it stays on: check you didn’t switch it off yourself, otherwise have it checked.
Have it checked: ABS / Airbag Diagnostics · €55 →One or more tyres are low on pressure, or a tyre sensor isn’t working.
What to do: Check and correct the tyre pressures. If the light stays on, have the sensors checked.
Have it checked: Full Electronic Diagnostics · €69 →Coming on briefly when you start is normal: the engine is preheating. Flashing or staying on while driving means an engine fault.
What to do: When starting, wait until it goes out. If it stays on or flashes, have the fault read.
Have it checked: Check Engine Light Diagnosis · €45 →The particulate filter is full and needs to regenerate, which usually happens on a longer drive at a steady speed.
What to do: Drive 20 minutes on the motorway. If it doesn’t go out, have it checked before the filter clogs.
Have it checked: Check Engine Light Diagnosis · €45 →The AdBlue level is low or there is a fault in the AdBlue system. If the tank runs empty, the engine may not restart after a set distance.
What to do: Top up the AdBlue. If the light stays on after topping up, have the system checked.
Have it checked: Check Engine Light Diagnosis · €45 →The car doesn’t recognise the key: often a flat key battery, sometimes a faulty key or antenna.
What to do: Replace the key battery or hold the key against the start button. Still not working? We can program or replace the key.
Have it checked: Smart Key / Proximity Key · €195 →The immobilizer doesn’t recognise the key and blocks starting. Possibly a faulty transponder or a key that isn’t (or no longer) programmed.
What to do: Try your spare key. If no key starts the car, we can program a new one.
Have it checked: Immobilizer Programming · €95 →The service interval has been reached or almost (time or mileage).
What to do: Book a service. We reset the service indicator afterwards.
Have it checked: Minor Service · €149 →The brake pads are almost worn out and need replacing.
What to do: Have the brakes replaced soon. Don’t wait until you hear metal on metal.
Have it checked: Parts Replacement (fitting) · €75 →An exterior bulb isn’t working (headlight, brake light, indicator).
What to do: Walk around the car to find which bulb it is and have it replaced: required for inspection and for your safety.
Have it checked: Parts Replacement (fitting) · €75 →There is a fault in the (automatic) gearbox. The car may go into a limp mode with fewer gears.
What to do: Drive gently to a garage and have the fault read.
Have it checked: Check Engine Light Diagnosis · €45 →On Volkswagen, Audi, Seat and Skoda: a fault in the electronic throttle or engine management. Power may be reduced.
What to do: Have the fault read as soon as possible.
Have it checked: Check Engine Light Diagnosis · €45 →The high beams are on.
What to do: Dip your lights for oncoming traffic.
The dipped headlights are on.
What to do: No action needed.
The front fog lights are on.
What to do: Only use them in fog or heavy rain.
Cruise control is switched on.
What to do: No action needed.
The engine stopped automatically while standing still and restarts when you pull away. Crossed out or amber: the system isn’t working, often because of a weak battery.
What to do: No action needed. If start-stop never works any more, have the battery tested.
Symbols can differ slightly by make. If in doubt, check the owner’s manual or call us. Fault code lookup →
