I bought a 2014 Fiat at the dealer. I purchased GA...

I bought a 2014 Fiat at the dealer. I purchased GAP insurance at the time. When I paid off my vehicle early I proceeded to apply for a refund for the remaining months left on my loan. My wife and I went to the dealership in November to sign a form. It has been almost FIVE months and the finance manager won't call me back despite numerous attempts. I just bought a Nissan Murano and the finance manager there told me they issue refunds within 4-6 WEEKS.!! Very unprofessional and frustrating.