Kohler Auto refusing to repair my hail damage

GOOD DAY<br> ATTENTION CEO<br> I am extremely angry and concerned about the where about and service on my car that had went in for seat repairs and dashboard light at Kohler Auto Witbank (OPEL GM) car services.<br> The arrangement between the Car dealership and myself was to order the car seats and fix up the warning light s on the dashboard. On the 26 October 2015 I received a call from the reception by the name of Marietta at Kohler Auto Witbank (OPEL) who advised me that they received the seats and I need to bring in my car to have it repaired as it's still under warranty. They have however given me a courtesy car that I could make use of. It's been more than a month and I still have not received my car. I am not paying for a Chev I am paying for an Opal Astra OPC 2013. During the time that my car was parked at the dealership I received a phone call on the 16th November 2015 from the service manager Hennie Collins who informed me that my car had been damage due to hail stones. I do not understand why I need to be responsible for the damage. How can you pay for any damages if your car was left at the dealership? Every time I phone them they tell me this is wrong or that is wrong I think th