The engine light on tell you there is a problem, and a code will be tripped and stored in the cars memory. So time to scan for the code or codes to help you figure out what is tripping the light. A mechanic or a local auto parts store can scan you car to retrieve the 4 digit codes.
Search Kia Rio Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Kia Rio Experts