Keeping tyres properly inflated is key to braking performance, grip and reduced fuel consumption. Check them once a month when you fill up with fuel.
How much air to add depends on your specific car make and model and the load you are carrying. A car heavily-laden with holiday luggage and four passengers will need more pressure than normal. Follow the manufacturer’s recommendation in your car’s manual.
Park next to the tyre pressure gauge on the garage forecourt. You may have to pay a small charge for this service. Find the tyre valve sticking out of the wheel rim Unscrew the cap.
Pressure is measured in pounds per square inch (PSI) and bar. The machine should display in both and may have a control button so you can switch to your preferred type of measurement. The plus and minus signs on the machine allow you to set the pressure you want.
Go around the car, attaching the tyre pressure gauge’s hose to each tyre in turn. The machine will check the pressure that you set and pump in more air, as needed. It will beep and stop when the preset level has been reached. When all tyres have been checked return the hose to the machine and replace the valve caps.
HOW TO CHECK YOUR CAR’S TYRE PRESSURE Photo Gallery
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