Every car is different and may require specific air pressure for your tires.

This can be found on the frame of your driver’s door. This plaque will also tell you the recommended tires you should keep on your car per the manufacturer.

This usually applies to your everyday driver that probably doesn’t have custom tires or rims that would null the recommended pressure for the car.

Edit: WHY you should know! (I forgot to add thank u @_MoveSwiftly!) So keeping your tires inflated is important because a) it keeps you safe. Properly inflated tires will have better stopping power B) wear and tear on a tire is lessened and wear and tear on other aspects of your vehicle that require good balance like shocks and brakes. c) in most cases having your tires inflated to the proper psi/bar will help you hit the MPGs, horsepower and acceleration advertised for your car.

  • unphazed@lemmy.world
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    1 year ago

    I learned recently there is usually a sticker under the hood with the weight of refrigerant and oil to be put into the ac as well (really helped me in properly using a manifold gauge and pump on my truck)

  • blueskiesoc@lemmy.world
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    1 year ago

    “Cold pressure”. If you’ve driven the car, as you would to go get the tire pressure checked, the tires are no longer cold and you need to add 4 lbs to the pressure listed.

  • Limewirelord@kbin.social
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    1 year ago

    My friend had a tire that was almost completely flat the other day and this tip always comes in handy.

    If you ever change your wheels or tires, is this sticker supposed to be changed or updated?

    • deaconblue@kbin.social
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      1 year ago

      If you get wheels or tires that need a different pressure you have a few options. I have used a sticker in the glove box, open the glove box and put a sticker on the inside of the part that opens. Those temporary name stickers from an office supply store work, just write the info on the sticker with a marker. I would not cover up the factory sticker because you may want to go back to the original setup or sell the car at some later date and keep the aftermarket wheels or sell them separately.

    • Cheese@lemmy.world
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      1 year ago

      The only time I have seen them changed is on a chassis cab, the up fitter will add a new sticker.

      Chances are even if you change your rim & tire combo on a passenger vehicle the pressures will still be the same. They are based of the weight of the vehicle and the load capacity. Maybe if you do something real crazy it would change but going from 17" to 18" won’t effect it.

  • oreo@lemmy.world
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    1 year ago

    Does anybody adjust the tyre pressure due to weight in the car? Surely driving with larger weight in the boot would require a difficult psi/bar for the tyres?

    Edit: great ysk post!

    • nattekrant@feddit.nl
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      1 year ago

      Only on holidays. If I pick up some furniture, I don’t bother, but when I’m driving for one or two days straight with 4 people and luggage in the car, yes definitely. It helps that I can check/adjust my tire pressure where I wash my car every two weeks. I’m really particular about the handling of my car and the tires I drive on, so I’m always on top of the correct pressure.

  • gds@kbin.social
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    1 year ago

    Also if your car is German and the country you’re in is not, you may find yourself in a situation where your car is bitching about tyre pressure but the only pump you can find at a petrol station is in PSI and the label is in Bar, and the only way you can convert those is to desperately wave your phone around like a madman trying to get some working internet while freezing cold in the rain. You might be well served by doing that conversion up front and writing it down somewhere.

    Totally hypothetical situation, of course.

  • DBT@kbin.social
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    1 year ago

    It isn’t always on the drivers side. It can be on the passenger side, sometimes front, sometimes rear… sometimes they put it in the glovebox - depends on the car manufacturer.

    Source: used to work in tire shop.

    So many people incorrectly think they should go by the number on the tire, not knowing that that number is the max that tire can hold, not the recommended pressure. Putting the max amount in prevents the tread from contacting the road flat, which will cause the middle of the tread to wear quicker than the rest. Same for too little pressure, but in this case the edges wear quicker than the middle. Using the recommended pressure for your vehicle ensures the tread is contacting the road evenly all the way across the width of the tread, and gets you the best gas mileage and treat wear.

  • beerclue@lemmy.world
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    1 year ago

    My cars all had this info under the gas cap. With details about number of people/load/comfort/economy.