It offers better acceleration and improved power delivery. AdBlue helps reduce the wear and tear of a vehicle's engine, meaning fewer maintenance costs over time. Peugeot, Audi, Volkswagen, Citroen, Mercedes,Renault, BMW, DS, etc. Third Edit: I got my car back on Friday. After filling the tank with Adblue (only about 6 liters) the Adblue light and engine warning were still there. Day before a long trip over the weekend it just decided that the recently filled ad blue tank was not full. About 2/3rds of they way to the dealer, the red light goes away and the generic 'check engine' light comes on instead. After some research, it seems that this may be covered under the Audi extended warranty (4yr/40kmi). How to reset adblue warning audi q5 - okbidk.wififpt.info Some will impose performance limitations as the adblue level drops, once more to cut emissions. Under warranty. Submit! Your actual AdBlue consumption can vary by vehicle type, mileage, driving habits, road conditions and other factors. (window.jQuery && __versionCompare(window.jQuery.fn.jquery, "1.7.2", ">=")) || document.write('