AdBlue® and Car care > AdBlue® warning light > Renault AdBlue® warning light: How do I switch it off?

Renault AdBlue® warning light: How do I switch it off?

Renault AdBlue warning light

Is your Renault’s AdBlue® warning light on the dashboard? Stay zen: if this light comes on, you have approximately 1,200 km (745 miles) of range left before you run out of AdBlue®. How to recognize the AdBlue® warning light on your Renault vehicle? What does it mean? How do you turn it off? All the answers in this article.

Renault AdBlue® warning light: how to recognize it?

Renault AdBlue indicator lightRecognizing the AdBlue® warning light on a Renault car isn’t necessarily obvious at first glance. In fact, unlike other carmakers (Peugeot, for example), Renault has adopted an AdBlue® warning light that doesn’t make it immediately obvious what it corresponds to. There is no indication such as “AdBlue®” or “Urea” associated with the light.

If you look closely, you’ll see that the pictogram represents drops of liquid associated with exhaust fumes (see picto opposite). It should not be confused with the yellow or orange watering-can symbol, which indicates a lack of engine oil. If in doubt about your vehicle’s AdBlue® warning light, refer to its user guide.

Note also that this AdBlue® warning light can be displayed on all diesel vehicles in the Renault Blue dCi range: Clio, Captur, Arkana, Austral, Twingo, Megane, Espace, Kadjar, and Koleos. Utilities are also affected: Renault Kangoo, Express, Trafic and Master. As we’ll see below, this warning light may or may not be associated with an alert message specifying the remaining AdBlue® autonomy.

Important note: unlike some car brands, Renault’s AdBlue® warning light does not come on when the first message appears on the dashboard (“Top up AdBlue before 2400 km”). In fact, it only comes on when the AdBlue® range is down to 1,200 km (745 miles).

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The different stages before AdBlue® failure on a Renault vehicle

The following information is displayed on the dashboard before your Renault runs out of AdBlue® :

  1. The message “Top up AdBlue before 2400 km” is displayed (without AdBlue® warning light) when the engine starts: this means that you have less than 1,491 miles (2,400 km) to go with the AdBlue® contained in the dedicated tank. As soon as this message is displayed, we recommend topping up this fluid to avoid being caught unprepared.
  2. The message “Top up AdBlue before 1200 km” associated with the AdBlue® indicator appears on your dashboard: your Renault still has between 745 miles (1,200 km) and 497 miles (800 km) of AdBlue® range.
  3. The message “XXX km failure Top up AdBlue” associated with the AdBlue® light: you have between 497 miles (800 km) and 124 miles (200 km) of range left. This message will be repeated every 62 miles (100 km) until you have 124 miles (200 km) of range left, then displayed every 31 miles (50 km) thereafter.
  4. The “0 km failure Top up AdBlue” notification lights up and the AdBlue® warning light flashes: it is no longer possible to start your Renault’s engine. A full tank of AdBlue® is essential to restart the vehicle.

How do I turn off the AdBlue® warning light on my Renault?

For your Renault’s AdBlue® light to go out, it’s usually sufficient to refill with AdBlue®. So you’ll need to:

  1. Get AdBlue®: you can, for example, order a 10-litre can of AdBlue® on the internet
  2. Total engine shutdown (not just standby on vehicles with “Stop and Start” function).
  3. Locate the AdBlue® tank: on recent models, simply open the fuel filler flap and locate the blue cap, located next to the orifice dedicated to diesel fuel
  4. Fill the tank with 4 to 5 liters of AdBlue® minimum (this is the minimum quantity for the electronic system to detect that there is enough fluid)
  5. Check that the blue cap and the fuel door are well closed.
  6. Start the engine and let it run for at least 10 seconds before driving. If you don’t respect this delay, your vehicle’s AdBlue® light will remain on (with the accompanying warning message) for several tens of minutes of driving before going out.
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The AdBlue® and wrench lights are on: what should I do?

Renault AdBlue light and wrenchIn some cases, the AdBlue warning light and “wrench” (warning or service light in the form of a wrench) on your Renault may be on simultaneously. We might as well tell you that this is not a good sign, as these lights indicate a malfunction in the AdBlue® system. Only the intervention of a specialist can extinguish the warning lights.

Here’s what the indicator lights mean:

  • If they are accompanied by the message “Check anti-pollution system” or “AdBlue quality to check” or “AdBlue injection to check”: the antipollution system is faulty and needs to consult a garage as soon as possible.
  • If they are accompanied by the message “XXX km failure antipollution”: the antipollution system is experiencing an anomaly and you have less than 500 miles (800 km) of range left. This warning will appear every 100 km until you have 124 miles (200 km) of range left, then every 31 miles (50 km). Once again, make an appointment with a mechanic as soon as possible to resolve the problem and turn off the warning lights.
  • When accompanied by the notification “0 km failure antipollution”: once the engine has been switched off, restarting the vehicle will be impossible. You’ll need to call in an approved dealer to repair the system and turn off your Renault vehicle’s AdBlue® and wrench lights.
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