My Name Is Wendy . Im 42 My Mom Is

my name is wendy . im 42 my mom is 69 years young i took my mom to some of her doctor appointments today. o the way back to drop her off at home while sitting in the front seat of my car she took off her braw and her shirt off ,, she then put her jacket on backwards like a staight jacket and thought nothing of it . i freaked out . maybe i should have acted more level headed but her we are in the upper class city of MAIMI BCH FLORIDA WITH A COP CAR NEXT TO ME . MY CAR HAS NO TINTED WINDOWS ,i freaked out she said i was being disrespectful . I called my oldest sister and she said mom has been acting very weird like this for sometime now. what do we do ?