Malfunction indicator light is on what does that mean

What is your question?

At first the engine coolant light was then the malfunction indicator light came on we brought it to a mechanic had all the fluids checked when we picked it up the engine coolant light was off but the malfunction light was still on

How long has your 2010 Volkswagen Tiguan had this problem?

Week w the engine coolant light malfunction indicator one day