Sweet Car

I noticed this morning at the car park that the window frame of a car, a toyota innova, which was parked beside me was full of ants!!!
I was in hurried so in spite of feeling curious, I just storm out to do my errands and when finished got back to my car, I noticed that the same car was still there. The ants somehow was subside and I hurriedly snapped the pic of bits of ants on this car but the pic's blur so can't post it.
This car must be very sweet horrr loved by ants..