calibration

Will someone explain how I put 34” tires on my 22 ram and now my speedo reads Higher/faster than the Waze app on my touch screen, and another gps speedo on my phone? I’m going farther with the bigger tires, so logic says my speedo should read slow. That’s how it’s always been in my experience...

I can't seem to get a firm answer on this. I have a new 2023 Limited coming in a few weeks and I want to add a few things out of the gate. It comes with the parallel and perpendicular park assit. I'm looking at either a 1.5" level with 33" tires or a 4" BDS with 35's. One of my concerns is...

I just got my 2019 Ram 1500 back from the shop and I added the Ready Lift 3.5" x 2" lift along with BF Goodrich 35" x 12", and 20" Fuel Assault Rims. The car looks awesome, but I am having issues with the parallel and perpendicular park assist. Has anyone else had this issue? If so have you...