2- Ten years is a maximum
If the tyres haven't been replaced 10 years after their date of manufacture, as a precaution, Michelin recommends replacing them with new tyres. Even if they appear to be in a usable condition and have not been worn down to the tread wear indicator. This applies to spare tyres as well.
3- Proper care expands a tyre’s lifespan
If you take good care of your tyres' air pressure, tread wear, alignment and so on, you can increase their longevity. Check our Scheduled care tips
For original equipment: follow the vehicle manufacturer’s tyre replacement recommendations.
How to check the manufacturing date
Look for the DOT number on your sidewall.
Learn how to check my tyre's production date with it's DOT code