I've searched around the forums and the internet and I'm quite confused by this "Big Tow" package. There's only one towing package, correct? And that package is the Big Tow package right? If the truck has a hitch, and a tow mode button does that mean it has the lower gear ratio too? I'm still in the market for buying my first Titan and I've been doing a lot of online research so I haven't been able to look for tale-tell signs like the transmission temp gauge.