Dealer Principal RUDE !

Excellent Service for Sales , Worst Service when it comes to Warranty , Recently Purchased a T-cross R line , BRAND NEW , After a month , vehicle came up with Lights errors , had been back to VW 4 times For fixing , , Nothing has been fixed , The Dealer Principal is a arrogant man , Refuses to Fix the vehicle , refuses to replace it , Im now stuck with a debit going off every month , And I left the vehicle with them , its been 3 months , nothing has been done , They have requested me to trade the vehicle back to VW , and I should take a major loss , Hope someone can help in this situation. Hope this helps someone , Just because they Are VW doesn't mean its the best service , PMB Branch is the worst ,