KIA Motors review: service on steering parts

I was told by one of your Staff one year ago that they help me get the steering parts which is still under warranty and I triple confirm with them I no need to pay for it. Your service center only open on weekday which I can't make it. I only available on weekend. However I purposely took leave and come today (28/6/19) just for the service and your staff told me I need to pay for the parts. I don't understand why the parts is under warranty when I claim it but now they want to charge me for RM200. If the parts oredi under warranty I don't understand why still need to charge me for the parts.

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