I've got a 2018 GT350 with the convenience package.
Did this come with heated side mirrors? I daily and it is one of those little things that helps on the cold mornings.
They do not defog when the rear window is defogged.
cheers
If you're bored and can stream it, the British gp has 3 mustang in the field in the GT4 class. Also has Astons, Lamborghini, Mclarens, Bentleys, BMWs etc