Hi   Back in September I changed my car.  When I left the garage the air con wasn't working.    I rang the garage up and I said I would get my son to have a look at it (because he is a mechanic).  He couldn't see anything wrong with it and said perhaps the gas needed replacing.  The garage told me that the gas was fine when it was checked.    After this happened a number of issues started to appear, warning light about a flat tyre on the front left.