hi all, Astra 2.0cdti sri 2011(dth) tyres=225/50/r17 it has the eco button Stop/start comfort says 33psi all round and eco say 39psi all round so gentlemen which one? Simon :thumbs:
Simon1966
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3,914 Posts
It does give the pressures somewhere in the manual, but the easiest place to find them is on the "Quick Reference" card they give you. You'll need to know the engine you've got and your tyre size in order to look up the right pressure from the table.
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3,914 Posts
If you go for the eco end of that scale it will cause uneven tyre wear (middle will wear quicker). Personally I wouldn't go above half way between the two.
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