The last few days I have had a message appear, "tire maintenance." I dismiss it and it continues to reappear. It's not the tire air pressure warning. I checked the tire pressure and added a bit to each tire, just in case. Again, the message continues to appear. Tires appear to be ok. Last tire rotation was at 19,210 miles. Mileage now reads 26,837. Would you have any thoughts on what the issue could be? I was thinking possibly a sensor. Your thoughts are appreciated.

Thanks so much!