Quote:
Originally Posted by Mr V
I have to keep mine on a tender whenever it sits for more than a few days. I read about a TSB about the on-star unit being the cause but the links and the place that did the replacement are all not valid any more. My on-star does nothing when I push the button. Wonder if there is a way I could just disconnect it to see if it stops draining the battery.
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That amount of battery drain is not normal and not attributable to OnStar Do you have any aftermarket electrical equipment in the car? Like an aftermarket sound system, or a device plugged into the OBD port?
As for On Star, your car has 2G based OnStar, and that went away in January and the green ready light should now be off. If you are the original owner, you have received multiple notices on this subject and a link to the Guardian app to replace some of the functionality.