Run Flat Tyres are designed to keep you moving even when there's no air pressure. They're fitted with a TPMS (tyre pressure monitoring system) that alerts you to any problems, and in the case of a puncture, you can still drive for about 50 miles.How can I tell a tyre is a run flat?
You tell whether a tyre is a run flat tyre by checking the sidewall - unfortunately there is no industry standard code to represent this.
Different manufacturers use different symbols. These include: