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Old 07-23-2008, 03:59 PM   #3 (permalink)
Lil GTO
First 2000 Sr. Member
 
Join Date: Mar 2006
Location: Ohio
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pre-authorization

Quote:
Originally Posted by mbeardsley View Post
OnStar charged my credit card $2.05 this week, for some unknown reason.

My free one year will be over in about 2 weeks, and I still have about 100 phone minutes left unused.

Does anyone know what this charge could be for?

I'll call them tonight to see about it, but I was curious if this was common/expected.

Thanks.
Lots of companies will do a temporary pre-authorization for some small amount, generally about $1, to verify that the card info they have on file is valid, then when the actual amount is determined the $1 will change to the correct amount or the pre-auth will be removed and the actual charge put through. I see this all the time with my credit cards, go out to eat, stop for gas, etc, and two or three $1 charges show up - and sometimes it is a couple days before the correct amount is posted. I can't imagine why $2.05 would be better than $1, but could be they picked an arbitrary number - or some percentage of the total or some other reason.
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