New to jeep and not wanting to buy another one. After we spent $63,000 and waiting 3 months for my wife's Grand Cherokee L 2021nwhich has "TRAILER TOW PREP GROUP". We are now being charger another $1000 for the wiring kit, installing it and Turning trailer tow on in the computer. I ask the dealer to explain what the Trailer group was they have no real clarification of what that includes. Needless to say, not happy. I would have thought also my Sales REP thought that package group would have at lease had the program turn on in the computer.