That is good news for you
With the warranty extension, they offer you that prior to your stancard factory warranty expiring and the vehicle needs to be inspected to ensure you have satisfied all service requirements and any defects rectified before the renewal is accepted,. You then have a option of extending in 1 or 3 year periods ( 3 years is cheaper) and this process gets repeated for up to 15 years.
Unlike what happens in the US, our warranty is a genuine Porsche warranty not a third party product. I have used it and it is fantastic