Here ya go, use this stuff, your leather will come back to life... FRANKENLEATHER!!!!!
Leatherique Prestine Clean and Rejuvenator Oil, you get what you pay for
Leatherique Products - Detailed Image
Floor mats are from heel/toe'ing most likely, get a Nismo mat set with the rubber pad for your heel and be done with it.
Key fob just needs a battery.
You're all set then!