A 2003 Chrysler Town and Country uses ATF+4 ,transmission fluid.
If the transmission computer detects a malfunction it defaults to second gear. It will have codes stored. Other causes include low fluid,and internal failure.
It is on the front of the transmission case. It is the block below the cooler hoses.
It is a valve, inside the valve body, inside the transmission.
You pour it down the dipstick tube.
What is the firing order of a 2003 or cruiser
According to Cars.com, the turning radius for a 2003 Chrysler PT Cruiser is 18.3 feet.
Fluid needed after filter change is normally about five quarts.
It does not have a drain plug. You have to remove the pan to drain fluid.