When the rear seats are folded down, certain models have a panel that fills the gap. I believe standard with leather seats. That is the load flat floor. Without is typically cloth seat option.
I had them mounted for about a year, so probably around 4000 miles. I traded in the Jeep for a gladiator to tow a new trailer. I would have mounted them on the gladiator because I really liked the brightness and light pattern but the gladiator didn’t come with the switches. I’m going with no aux...