If you are reading this article, it is because you have never heard of Adblue or a message appeared on the dashboard of the car indicating "Low urea". The first thing to say is that nothing serious has happened to your machine.
Just new engines Diesel Euro 6 they are equipped with a catalyst SCR (Selective Catalytic Reduction), which uses AdBlue, a composite liquid additive to limit emissions of nitric oxide (NOx) urea high purity and demineralized water.
AdBlue is not a fuel additive. has a special tank closed with a blue lid (see image below) periodically replenished upon request. This technology allows you to comply with the requirements for diesel emissions.
We advise you to regularly replenish AdBlue, especially before long trips (as a rule, AdBlue consumption is 500 km / l, which in total exceeds 10 thousand km).
On the other hand, if you need to urgently refill AdBlue, you can do this at many gas stations that are equipped with special pumps to refill AdBlue or buy canisters with AdBlue at a price of about 15/30 euros for, according to the seller.