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You have to wait for them to report. The quickest way to find out would be to call the CC and SL companies and ask when they report. You might also be able to tell from your CR's when they report. The general rule is that it can take 30-60 days to show up on your reports.
FYI--any refi will depend on the value of your car. It will be difficult to refi if your loan is for an amount higher than the value of your car . . .