Ambient lighting is just on the top edge of the door insert.......Cup holder and foot well lighting is a $550 option installed and its just a single LED to help see the pedals and floor in each side while you drive and a single led in each cup holder spot. I was underwhelmed at mine when it was installed and went on gen5diy to find the circuit to add lights so now I have lots of led under the dash but its connected to the door and dome lamp circuit and does not stay on unless the dome lamp is turned on which I also have a lot of red LED lights in. The under dash was simply done by splicing in a circuit and adding the self adhesive strips bought form my local parts store, the circuit is in the passenger side front kick panel under the dash...(not explained well on gen5diy....) but they do tell you the circuit so you can splice into the correct positive and negative.
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2021 Wild Cherry ZL1 A10, Sunroof, Data, Carbon, Nav, RotoFab Dry CAI, Elite x2, Borla ATK, Driveshaft shop