We used to tow an '08 Enclave. On that model, you put it in neutral, key in accessory or on (I forget), and I pulled one fuse. Had a Blue Ox baseplate on it.
2008 King Aire 4562, Spartan K3(GT) w/ Cummins ISX, Motosat HD-SL5 w/ SWM-8, Multiswitch, HR34 Genie
2014 Jeep Grand Cherokee Overland 5.7L V8 Hemi w/ Blue Ox Aventa LX Tow Bar and baseplate, SMI Air Force One brake