Check engine light on after I picked up from body shop?

My car was in the shop for 3 weeks. The accident happened last November (took months for the other person's insurance to accept responsibility) and I just got it yesterday and my check engine light is now on and it's never been on before. It's only 5 years old and I've only owned it a year. Should I... show more My car was in the shop for 3 weeks. The accident happened last November (took months for the other person's insurance to accept responsibility) and I just got it yesterday and my check engine light is now on and it's never been on before. It's only 5 years old and I've only owned it a year. Should I take it back to the shop and ask them what's up with that?
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