First I opened up the ceiling mounted display, plugged the PS5 power cord into the inverter plug, and hooked it up to the HDMI input as well. One, the power only works if the car is on, so if you turn off the car before fully powering down the PlayStation, you'll end up getting one of those "Playstation was not properly shut off," and you'll worry about your save files being corrupted. Moving up to the $1,915 package keeps the digital mirror and Homelink, and adds the 50-state emissions, but does away with the spare tire