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I don't think it matters in FICO terms, there's only installment, revolving, mortgage and other/charge (PIF monthly card like Amex Green). The secured personal loan and the auto loan both count as revolving.
The only thing it might affect is your Auto-enhanced FICO, but not all auto lenders even use that score. If this is her only auto loan and lenders in the future shy away from her for lack of auto credit, you can always just explain that this particular loan was for a car and have them call your CU to confirm that.
















Starting Score: 469