FAQs

• How often should car tyre pressure be checked?
  Pressure checks, including the spare tyre, should be carried out every two weeks using an accurate gauge.
  
• In what conditions should the pressure be check?
  Tyre pressures should be checked when the tyres are cold. During operation cold tyre pressures can increase by as much as 20%. This is normal and is allowed for in tyre design.
  
• What is the recommended pressure for the spare tyre?
  The pressure of the spare tyre should be at least 0,3 bar greater than the highest recommended pressure and be re-adjusted to the correct pressure when fitted on the car. For spare tyre/wheel assemblies of a different size or type to those already mounted on the car, refer to the Owners Manual.
  For spare tyre/wheel assemblies of a different type to those already mounted on the car, consult the tyre manufacturer.
  
• What are considered "cold" tyres?
  Tyres are considered to be cold when they have not been run for at least one hour or have been run at low speed for not more than two or three kilometres.
  
• Do tyres age?
  Tyres age even if they have not been used or have only been used occasionally. Cracking of the tread and sidewall rubber, sometimes accompanied by carcass deformation, is evidence of ageing. Old and aged tyres must be checked by tyre specialists to ascertain their suitability for further use.
  
• Is regrooving of Passenger Car Tyres permitted?
  Regrooving of Passenger Car Tyres is not permitted.
  
• What is "AQUAPLANING"?
  Loss of tyre contact on a wet surface due to the tyre's inability to expel water from the footprint area.