Originally Posted by cbrrider012
I am not talking about the self leveling suspension and transmission cooler and things of that nature. Just the button that tells the transmission to change the shift points when hauling a load. The V6 can only haul 4500lbs or so and that is more than what I need but being on the back roads I would rather have the tow/haul mode than manually shifting.
I highly doubt that this is something a dealer can install after the fact. This has to do with the transmission itself and that's something that has to be done at the factory. The tow/haul button is essentially a button that turns off the overdrive function of the transmission and initiates engine braking when needed.
Like zaktrafton said, if you have the V6, it's likely not on there because that wasn't needed on the V6 versions. It was never offered on the V6 versions to my knowledge. Here's a relevant discussion by some jeep guys: