Im not sure about checking to see if you have SE or not, but checking for towing prep package is easy. If you look at the driver side fog light, when looking straight at the vehicle, there should be a hole to the direct left of the light. That hole should lead to a a radiator if you look into it. Also below the front bumper on the driver side below the fog light, you should see some slots in the plastic skidpad that also lead to that same radiator. If you have this you have the tow prep package.