I know I have power lift gate. There is a button to the left of the steering wheel. There is also a CLOSE/CANCEL button on the left side of the inside rear door.
I have found out that if I push the CLOSE button....the gate closes automatically.
When I depress the CANCEL button, the power lift gate disables and I have to open and close the rear lift gate manually.
I set the CLOSE/CANCEL button back to normal operating. So when I lift the rear left handle, I hear BEEP, BEEP, BEEP, and the gate lifts.
So needless to say, I know it is a power lift gate. Still cant get the intelligent key fob to open the gate.
Maybe a trip to the dealer now.