If it's beeping when you flip it in 4low you need to put the transmission in neutral. I have a 2003 v8 and it will just beep unless I put it in neutral then switch it into 4low
I agree the 5100s are much better because they work, I have 5100s with 265 70 17 BFG KO2s and the ride is better on the highway than a new Audi. The roll isn't bad tbh, its a truck and if you just have a mall crawler the 5100s still will impress. XREAS is probably a great system but it wasn't a...