While sitting in front seat , look down at the floor. The flat area between the seats has a plastic L shaped trim on each side. If you were to lift that plastic trim up, you will see 3 on each side securing carpet in place.
The blue connector is the fireman’s loop. Grab it and pull it will come loose from the chassis. The pull back the little tab and squeeze to disconnect. The slide the MId voltage battery center tab to left.
When reconnecting, connect foreman loop fire then MV battery
Dish washing soap (dawn) mixed with water in a spray bottle. Water will evaporate and soap left as a lubricant. Have used this for window for many years.
I want to see detailed pictures of how they mounted the lift in the bed. The removable cover in the bed is not that strong, there’s a lot going on under too