Refactor seat belt logic for clarity

Projekt_Arduino.ino

@@ -82,10 +82,12 @@ void loop() {
     if (millis() - prevSonarUpdate >= 100) {
       prevSonarUpdate = millis();
       long dist = sonar.measure();
-      if (!seatBelts)
+      if (!seatBelts) {
-        if (dist < 200)
+        if (dist < 200) seatBelts = true;
-          seatBelts = true;
+      }
-        else if (dist >= 200) seatBelts = true;
+      else {
+        if (dist >= 200) seatBelts = true;
+      }
     }
   }
 }