If I don't subscribe to OnStar, will my phone work without it?
There are two different ways to use handsfree calling, one using your cell phone and the other using OnStar minutes.When you cancel OnStar, the method will go away.This is true.Without OnStar, your car's microphone and speakers won't work.
Do I need OnStar to use the internet?The vehicle needs to be in the accessory position to function.Session-based data plans provide you with access to AT&T wireless data services for your equipped-vehicle's hotspot.The prices shown are for US residents.The vehicle must be eligible.
It does not cost anything, it is a short range communication protocol, and it doesn't use your data plan.If you want to implement bluetooth in your devices, yes.Is there a technology that can be used in a car that does not have a built in device?
The standard OnStar Basic Plan is free for the first five years of ownership.It is possible for users to remotely lock and unlock their vehicle with the OnStar basic plan.