On my 2007 Saturn, it was like it had to relearn shift points and proper fuel delivery pressures. That could go on all day if I didn't take it on the highway.I didn't notice anything out of the ordinary. The day installed the bypass, I ran a lot of errands, driving at least a 100 miles (city, stop and go, and highways). What do you mean poorly?
You are absolutely correct Sarcoptic, the AVITY-01 has a built-in VIM capability (VIM=Video-in-Motion) otherwise it would not be a novelty. Sorry for the late reply.This afternoon I installed my Crux AVITY-01 adapter in my limited platinum. The adapter works perfectly as advertised and gives me the ability to run A/V into the head unit. Also this adapter does INDEED BYPASS THE NAVI. Basically when its enabled the navigation unit stops as if it thinks the car is parked. At that point you can do anything to the head unit as if the car was parked (such as entering an address). After you are done you can then disable the bypass and the navigation will pick up where you left off.