Continuous debit on my account even after instruction not to do so

<p>Good Day,</p> <p> </p> <p>Nissan Finance/Wesbank continues to debit my account even after instructing not to do so.</p> <p> </p> <p>I recently sent them a follow-up email and they never rep**** or got back to me.</p> <p> </p> <p>Please assist in this matter as i do not know what else i need to do.</p> <p> </p> <p>Regards,</p> <p>Mamushi</p>