Turn the heater up
The first thing car owners before stepping out of the vehicle is roll the windows up. However, passengers are an entirely different breed. Because they have no direct interest in the car, they’ll leave everything trashed up and forget to close the windows. We’re speaking out of experience here!
For some odd reason, someone decided to roll the window all the way down to take in the frigid winter air. Before stepping out, they left the window down, probably for some nefarious purpose. It looks like it snowed about 50 feet overnight with half of the snowfall going directly inside of this poor sedan.