Hello from Raleigh. Welcome to NC!
I just bought a 2001 Proton from Greensboro and have not located a good shop for them here, yet. I need to decide whether to do my own fluid (TOD, trans, & diff) changes or find a local shop to do the dirty deed.
Surely there is a good local Isuzu shop in the Charlotte area. Ask some Rodeo and Trooper owners at the local auto parts stores.
If you do find a good shop, let me know. I do get to Charlotte on business often, so it is possible to consider leaving it with them for a day or two to get the work done right. I just realized that I will be there on Oct 30 - 11/1.
Henry