My lifetime guarantee

I have a lifetime guarantee.  Not for me, because that’s silly, but for some saucepans.

They’re hard anodised aluminium.  I think.  I’m not too sure and even if I’ve remembered it correctly might just be a made up phrase created by saucepan marketeers.  Those same marketeers lured me with their marketing speak and their lifetime guarantee.

The saucepans aren’t as non-stick as they were.  And they were quite expensive, not very, just quite.  So what do I do?  I feel I should take them up on their guarantee. 

We’ve never put the pans in the dishwasher or used nasty scourers to clean them.  They have been used a lot, but isn’t that the point of a saucepan and a lifetime guarantee?

What would you do?