Thanks for the info Stef.
I pulled the AF16 and AF20 fuses. The result is that the outer tail lights are off during the day with the DRL's on.
The outer tail lights still work and illuminate when the brake pedal is pressed using this method.
The downside is the outer tail lights stay off at night when the stalk is turned to the "on" position (the outer tail brake lights still illuminate when the brake is on) so there would be no position lights at night.
In Canada, with these cars, the DRL's are the hid's in full on mode and the tail lights are also in full position mode ALL of the time, regardless of wether or not the stalk is in the on or off position. (Kind of annoying having no manual control over the lights, especially when it is not mandatory to have daytime position lights in the rear during daylight hours). The parking light function doesn't seem to exist.