^You can retrofit the rear footwell lights easily, the plugs should be there under the rear seat.

All you need is 2 housings, 4 plastic nuts from the dealer, and about 15 mins to retrofit both of them (you'll also need a utility knife to cut a hole for the housings in the carpet

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards