This is the most effective way to ventilate a car in the summer

<p style=";text-align:left;direction:ltr"><strong>Weather of Arabia -</strong> The German Authority for Technical Inspection said that the most effective way to ventilate the car is to open all the doors of the car and the back door - if any -, in order to remove the hot air inside the cabin before starting driving, which facilitates the operation of the air conditioner afterwards.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> The authority added that operating the air conditioner does not work for short distances. As he cannot expel the heat during a walk for a few kilometers.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> The authority warned against leaving the windows open while the air conditioner is running; As this reduces the cooling efficiency on the one hand, because the cold air escapes to the outside, and increases the car&#39;s fuel consumption on the other hand.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> Walking with open windows and turning off the air conditioner increases fuel consumption, due to increased air resistance.</p>