1,they said it only comes with one key,will this be a problem?
2,what problems if any should i be looking out for within the first 3 months(warranty period)
3,i have been hearing since puchasing of reliability problems

i took it for a test drive andd there was no rattles or bangs,it drove extremely smooth.gears were smooth.all in all a good drive.
many thanks in advance for your help