The girl was found unresponsive in the vehicle in Tampa on Monday evening.
WFLA quotes Tampa police as saying the parents left the girl in the Jeep sometime in the morning and went about their day. The report says the parents called police after finding the girl.
Detectives say they need to investigate further before deciding whether to charge the parents.
Information from: WFLA-TV, http://www.wfla.com/
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