either lockpick, or nav tv. they both have video inputs. i think some features from lockpick are accessed from the steering wheel controls (not sure though, just heard) but the nav tv might be easier to access.
now that i have my truck (a 13) i will soon be disassembling my radio to see if there is some way to do it without having to use expensive aftermarket parts.
now that i have my truck (a 13) i will soon be disassembling my radio to see if there is some way to do it without having to use expensive aftermarket parts.