Trading in vehicle request

I curse the day I was introduced to Netstar but I am still willing to work with them only if the below has been offered to me

I'm writing to express my extreme dissatisfaction with Netstar's service. Despite numerous attempts to resolve issues, I've been met with poor communication and incorrect administration.

- Incorrect debits and refunds - Unauthorized next-of-kin documents with unknown names - Failure to close accounts as requested - Contract still active despite requests to close - Poor call centre service and lack of resolution

I want to retain my contract with Netstar, but I request the following:

1. Remove the Mini Cooper from the contract 2. Add my new vehicle to the contract 3. No administration fee for the vehicle change

I've been informed by the call centre that a fee applies, which I dispute. Given the circumstances, I believe it's reasonable to waive the fee.

I want Netstar to resolve these issues and update my contract accordingly. I'm willing to continue with the contract, but I expect satisfactory service and resolution.

Please assist me in resolving this matter.