Lift gate/ lift glass ajar indicator and some lights come on when driving even though they are closed how do I fix it

What is your question?

Lift gate/ lift glas ajar notice comes on, it beeps, and some lights come on. Sometimes all at the same time, sometimes only beep, sometimes only lights, sometimes just the notice but the lift gate and glass are closed and locked, how can I fix it? It's a 2007 Ford Expedition XL

How long has your 2007 Ford Expedition had this problem?

Months