Bad Custtomer service

I bought a polo vivo 2011 five door in less than two weeks it started giving me problems i called to report it, i could not get hold of the sales man I asked to speak to manager who told me he is not a sales man then he hanged up on me till today I`m having endless problems with the car not to mention that i have never received user manual and my spare key from them since 09 May 2018. their service is very bad after sale.