How does an automatic car gear work?

<p style=";text-align:left;direction:ltr">ArabiaWeather.com - The automatic transmission or automatic gearbox is known in our Arabic dialects as the &quot;automatic gear&quot;, which is the part that automatically shifts the vehicle&#39;s speed, without the driver&#39;s intervention.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> Invented by Felix Michael during World War II to help win the war, the first car with this technology was a limousine designed by Michael Felix for General Douglas MacArthur as a gift.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> This type of transmission became common in cars in the 1990s, as it gives it a feeling of easy driving.. <strong>How does an automatic car gear work?</strong></p>