The little-known feature on car tyres that tells you when it's time to replace them - so do you keep an eye on yours? The NRMA has revealed how to tell if your tyres are too bald and need changing ...

Fresh Grooves Giving Worn-Out Tyres a New Life. Posted: February 27, 2025 | Last updated: February 27, 2025. Old tyres get a second chance on the road Step inside the workshop where skilled hands ...

When you insert the coin into one of the grooves on the tyre, the rim of the coin should sit in the tyre so that it’s no longer visible. If this isn’t the case, it’s time to buy some new tyres.