How to find the correct air pressure
The wrong air pressure in the tires not only costs fuel, it can even end in a catastrophe. Tire pressure tables and regular checks help to keep track of things.
Which tire pressure is correct?
• on a sticker on the inside of the tank cap
• on a sticker in the glove compartment
• in the operating instructions
• An alternative is to look up the correct value in a tire pressure table. For example in the tire pressure table from Continental
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How often should you check the tire pressure?
If the air pressure is too low, the quickest and safest way to detect it is to take regular measurements.
© Toni Bader
In addition, the correct air pressure is easy on the wallet, because fuel consumption and wear increase significantly if there is too little air. Even those who have a tire pressure monitoring system on board that warns as soon as a tire is insufficiently pressure should regularly check the air pressure (more about TPMS). The same applies to tires filled with tire gas. Although the mixture, which consists mainly of nitrogen, is better retained by the tire, regular air pressure checks are still necessary. Because Even minor changes of only half a bar less are sufficient to change the driving characteristics and increase fuel consumption by 0.3 liters per 100 kilometers.
What happens when you drive with the wrong tire pressure?
If there is not enough air in the tires, it will Driving behavior of the car spongy. This can manifest itself in a restless rear when changing lanes or unclean directional stability of the car. If the loss of air is serious, the ESP can intervene. Then you should check the tire pressure as soon as possible. But even without these strong signs, tire pressure that is too low has an unfavorable effect: braking distances are longer, driving behavior in corners deteriorates and wear and fuel consumption increase.
Video: tire pressure monitoring system for retrofitting
This is how retrofitting works
Air pressure control: This is how the tire pressure is checked
The easiest way is to check the tire pressure at the tank and, if necessary, top up with air. This is free of charge at most petrol stations. Alternatively, there are tire pressure gauges for at home as well as small compressors from the hardware store or accessory trade. Important when measuring: Check when the tires are as cold as possible, as warm air expands and falsifies the measured value. It is best to check the pressure at the nearest petrol station before starting your journey or after a few kilometers. If there is no other way and the tires have already warmed up, subtract 0.2 bar from the measured value. And: don’t forget the spare wheel.