Tops of the leather back seats in my TT seem to be cracking. I am using 303 and Zaino Z10 regularly.
 

What else can I do to stop the leather cracking?

Thanks

Tint the windows? Keeping the UV off of the leather is key.

Condition it...it cracks because it's dry...
 

Protectants aren't doing anything for it other than keeping the dyes from fading out. You need to keep it pliable so as not to become too brittle.

What do you recommend?

follow this fellow
 

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My 2 cents - always clean it with a non-soap ph 5.5 balanced cleaner.
 

I use the bath Johnson &amp; Johnson's version. This is really to clean off the salt from sweat that's dried on the leather, which is terrible for it.

Then use a good leather conditioner. What I use is the Autoglym leather cleaner and conditioner, which has certain oils in it to prevent it from cracking.