1. AC will run even when heat is on to dehumidify the air... condensate will drain.

2. After parking, condensate continues to drain for up to a few hours.

3. Why would you not SIMPLY slide under the car and identify the pipes/holes/spots that are dripping this mystery fluid. Take a picture. Or look on realoem for the location of the condensate drip lines to see if these are them.

4. Or take it to the dealer.....