UMEXT said:
Forgive my ignorance, is the OnStar system actually in the mirror, and all one has to do is get it wired in, or is other hardware necessary somewhere in the vehicle?
If you don't have Onstar and you want to add it with the standard (integrated) setup, there is a substantial amount of wiring involved. You'd need to add the Module, a GPS antenna, a microphone, and tap it into the audio system. Probably isn't worth it. Has anyone on here actually done it?
Onstar is completely in the mirror only if you buy the new FVM device
https://www.onstar.com/web/fmv/home/ It looks like the brought the price down a lot too. It was quite more pricey when they first released it.
But who wants Onstar anyways? It's a crappy service, if you ask me. If you get off course, Onstar has very limited ability to reroute you without you having to call back into the call center. Plus, there are many times that you will call in and wait 2 or3 minutes before getting a live person. I could give a whole list of reasons why I don't care for Onstar. I don't believe the service is anywhere worth the extremely high premium they charge for it.
Gordinho80 said:
This mirror came out of a 2002 LT. I have never had it hooked up, but it was 100% functional when it was taken out. As there is no manual dimmer(tilt), I'm assuming it is Auto Dim. I also assume it is Compass display, possibly TEMP as well.
Yes, the mirrors designed for Onstar have the auto-dim built in. There is no temperature display on these mirrors though, for the early models, at least. If you have the convenience package with the digital HVAC and the buttons on the steering wheel, then your exterior temperature is displayed on the HVAC controls. Additionally, if you have this package, then you also have the curb-assist side mirrors, which also have the auto-dim feature.