This app will show you your recommended tyre pressure (the PSI) for your vehicles tyres.Just type in your car registration number and the pressure for your front & back tyres will be looked up and saved to your phone so the next time you need your car tyre pressures you won’t have to use any of your data plan.To ensure correct use. tyre longevity and your cars safety always compare against a tyre gauge.There is also a vehicle information page to show you your tyres safe loading weights, the PSI and at what different pressures to set your car tyres at for different types of journeys.UK Registrations OnlyTire / Tyre