Why Under-Inflated Tyres Could Be Raising Your Chance of an Accident

Did you know that approximately 6% of all fatal motorway accidents are caused by under-inflated tyres?  Research carried out by Michelin found that as well as increasing the chance of an accident, incorrect tyre pressure could also be costing you money and increasing the amount of CO2 emissions being pumped into the atmosphere.

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As part of our safety campaign, Garageflex recommends you check your tyres at least once a month and before embarking on a long journey. 

Need any more persuading?

·         Driving on under-inflated tyres can quickly deteriorate their condition

·         Your steering is less precise

·         Braking distances are increased

·         You use 6% more fuel

·         Less Co2 emissions are released from tyres with the correct tyre pressure

How to check your tyre pressure

  1. Make sure tyres are cold to get an accurate reading.  
  2. Have a tyre pressure gauge handy, inexpensive ones can be found at Halfords.
  3. Find the tyre pressure requirement for your car by looking in your owner’s manual.
  4. Locate and unscrew the valve cap from the tyre.
  5. Once you’ve unscrewed the cap, press the tyre gauge onto the valve stem and hold it down firmly for a second or two.
  6. If you hear a hissing sound, you are letting air out and you need to press down a little harder.  Make a note of the given reading.
  7. Do this with all four tyres and compare the tire pressure reading with the specified amount for your car.  If your air pressure is lower than the recommended amount, you need to bring it up.

How to inflate your tyres

  1. You can either inflate your tyre at home with a footpump or digital inflator, or visit your local garage.
  2. Make sure the hose reaches your tyre and turn the compressor on.
  3. Remove the stem cap from the tyre and set it aside in a safe place where it can be easily found and not roll away.
  4. Press the air hose fitting onto the valve stem, keep a firm grip, and press the lever to begin the air flow. You should feel the air moving through the hose.
  5. To check if you have reached your desired air pressure, release the lever and check the hose fitting. This will show you approximately how much you have. You can also check with your own gauge to be sure.
  6. If you have over-inflated the tyre, press the gauge down enough to hear a hissing sound to let the air out. Or press down on the small needle in the center of the valve with a fingernail or pen.
  7. Once your tyre reaches the correct air pressure, replace the valve stem cap and repeat with the remaining tyres.


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