Why have my car loan repayments changed?
If the car loan has a variable interest rate your repayments may have changed due to a change in the interest rate. This occurs to ensure your repayments are sufficient to repay your loan within the agreed loan term. If your repayments change, we will write to you.
https://www.beyondbank.com.au/need-help/why-have-my-car-loan-repayments-changed