u/Character-Archer-686

Sorry for my lack of knowledge but I have an insignia 2.0cdti that had a check engine light that came after a coolant leak. And I’m just wondering how I can clear the engine light just to see if the issue is resolved or if I need to get further fixing done. Car runs perfectly fine, no dampened performance or blocked dpfs. I don’t have an obd computer thing so is there a way to do it without such?

For example my old car I turn the key on and off a few times and it cleared