How to remove check engine sign?

How to remove check engine sign?

My car is Sharan 2004.it always say service Jeztz.and also.show.check engine sign on.the dashboard.What can i do to resolve this

Our answer:

Hi Dayo,

You'll need to bring the car along to a good mechanic to ensure nothing is wrong and then reset the diagnostic computer warnings. 

Shane O'Donoghue

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