[fritz_t_coyote]

1- good all-season tires. The stock badyears are worthless on just plain Wet, even worse on snow, and will Scare The 4311 out of you on hardpack.

2- Drive gently.

3- (best part) First snowfall, find a snow-filled empty parking lot and PRACTICE.
Acceleration (if you got ABS/Traction control you will be a happy person)
Stops, including panic stops and stopping while turning. Again ABS is your friend.
Intentionally skid and recover. Experiment to see what happens when you get on the brakes or the gas while trying to recover from a skid.
(Key to skid recovery: forget 'steer into or against the skid'
Just look at where you WANT to go, you will tend to steer that way.
If you stare at the trees you will hit the trees.)

Play in the snow, where there is nothing to hit, until you have a feel for how the car behaves.

Besides, it is fun.

4- If you are blessed with manual transmission and ABS/Traction Control thank whoever asked for that unusual combination of options.

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Snow handling:
The PT is not a Jeep. But with good tires and a careful attitude it can handle 4-6 inches of snow.
After 6 inches it gets trickier, as the underside of the car will start 'floating' on the snow, reducing the weight on the tires, thus severely reducing traction.

I have driven through a nor'easter which had me dealing with up to 10 inches in some spots, and managed to get home safely. (5 speed/abs-traction/Continental 'Extreme Contact' all season tires; following 18-wheelers along the thruway at 30-35 MPH.)