need I remind you that...
and need I remind you of...a phrase that introduces a reminder. (A little haughty or parental.) Bill: Need I remind you that today is Fri-day? Bob (sarcastically): Gee, how else would I have known? John: Need I remind you of our policy against smoking in the office? Jane: Sorry, I forgot.
remind someone about someone or something
to cause someone to remember someone or something. Will you please remind me about Fred? He's coming to visit next week. I will remind you about your appointments for today.
remind someone of someone or something
to bring a memory of someone or something into someone's mind. You remind me of my brother. The happy song reminded us of our cabin on the lake.