Battery Backup for OnStar 05 H2
#2
Just taking a guess from your low post count...if you just got the truck- It probably was never upgraded to the new onstar system when they phased out these older modules 3 years back.
It was analog cellular.
It was analog cellular.
#3
Im not sure but blu-tooth option just works tru on-start with limited minutes you need to buy with Verizon ... Anyway thats only what I found in a forum .
There is a module you can connect to get it work with you regular cell plan
There is a module you can connect to get it work with you regular cell plan
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