Thread: Onstar
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  #25  
Old 03-25-2015, 01:41 PM
Dudesky Dudesky is offline
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Join Date: Dec 2011
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Quote:
Originally Posted by BAVBMW View Post
I'm curious, if they just use cell towers for the SOS service, how can they claim 100% coverage? I had thought they used a satellite system, but I'll admit, I've never looked too far into it.

MV
When you access, there is a coverage map. I found the XM Sirius drops off in valleys and made me wonder I if the OnStar would too.
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