Hirsch's Hillcrest - what a disappointment.

I bought an expensive Kenwood mixer from the Hillcrest branch and it's never worked properly. The lid vibrates so much it's only a matter of time before I'll have to replace it (and the machine won't work without it). Hirsch's refused to refund me (even though it was well within the 3 month grace period) and the lady at the repairs counter Saroj, was deliberately obtuse and obstructive as she refused to see any problem with the video of the faulty machine I showed her (even though as soon as another worker in the department watched it, she instantly said there was a problem with the machine). They sent it back to Kenwood twice, first with the wrong instuctions on what to check. The second time it came back apparently Kenwood said that 'that is how their machines are'. Very shoddy! Stuck with a machine I'm too afraid to use in case I break it. The vibrating lid also makes it unbareably loud.