I would not suggest an FJ cruiser for anyone who intends on driving it in weather that is less than 30 degrees F. Which is not very cold at all, many places in the world get much colder. My FJ has a serious problem with ice. At a mere 27 degrees F the entire tank holding all of the windshield wiper fluid has turned to slush. I have anti- freeze in there rated up to -50 degrees F. It does not matter, the way that the tank is positioned inside the motor is poorly engineered so that the wind blows up against it causing things to freeze up more easily than any other car I have ever owned.
Not many at all. A very poor vehicle.
The wiper blades are terribly complicated and have many moving parts on them in order to wipe the windshield but those moving parts get so easily bound up with ice that the wiper blades are essentially useless in an FJ cruiser under 30 degrees F.