Ally Financial Inc. Consumer Loan Complaint

Ally Financial Inc. Consumer Loan department,

Vehicle loan Managing the loan or lease Texas

This car was a total loss -/-/-. The pay off was $18000.00 - paid $16000.00 - paid $580.00 - paid $520.00 - paid $510.00 - paid $260.00 Add everything paid comes up to $18000.00 That would leave $310.00 left to pay. I have tried to talk to customer service several times to see way my bill is $830.00. I would like to get this resolved and paid if you could help me understand the difference between my calculations and yours. I would also like to know way you waited until -/-/- to send a letter to - to cancel and get payment from them.