I totally went in a different direction. I bought a Harley Davidson "Breakout". I've been on Pinterest and youtube looking at custom Breakouts. I've never been a Harley person but the Breakout is awesome and really rides well. I hope to make it as nice as the GN was.
These cars are a love/hate relationship. There will be times when you utterly hate it then times when you love the damn thing.
Your not alone. Once everything is finally sorted, you'll understand. We've all shared your pain.
Lemme just say your very first mistake was not coming here first and asking questions before purchasing any GN.
Secondly, never buy a GN {or any car} without a working oil/temp gauge. Terrible decision.
FWIW, I have removed the aftermarket radio and installed a OEM "Buick" delete plate. Everything is still in tac'd. I just never listened to it with the Pitbulls rumbling and kinda like the look of the factory delete plate in place. Even the OEM power antenna still works flawlessly. You can...