diff --git a/ReallifeGamemode.Server/Events/Key.cs b/ReallifeGamemode.Server/Events/Key.cs
index d1abdca1..e2cb4c5c 100644
--- a/ReallifeGamemode.Server/Events/Key.cs
+++ b/ReallifeGamemode.Server/Events/Key.cs
@@ -12,6 +12,7 @@ using ReallifeGamemode.Server.Managers;
 using ReallifeGamemode.Server.Services;
 using ReallifeGamemode.Database;
 using ReallifeGamemode.Database.Models;
+using ReallifeGamemode.Server.Util;
 /**
 * @overview Life of German Reallife - Event Key (Key.cs)
 * @author VegaZ
@@ -377,8 +378,56 @@ namespace ReallifeGamemode.Server.Events
     public void KeyPressN(Client player)
     {
       if (!player.IsLoggedIn()) return;
-      
 
+      if (!player.IsInVehicle) return;
+      if (player.VehicleSeat != -1) return;
+
+      Vehicle v = player.Vehicle;
+
+      User u = player.GetUser();
+      if (u == null) return;
+
+      if (NAPI.Entity.GetEntityVelocity(v).Length() > 1)
+      {
+        player.SendNotification("~r~Der Motor kann nur im Stand betätigt werden.", true);
+        return;
+      }
+
+      bool state = VehicleStreaming.GetEngineState(v);
+      ServerVehicle sV = v.GetServerVehicle();
+      if (sV != null)
+      {
+        if (sV is ShopVehicle)
+        {
+          VehicleStreaming.SetEngineState(v, false);
+          return;
+        }
+        else if (sV is FactionVehicle fV)
+        {
+          if (fV.FactionId != u.FactionId && !state && !u.IsAdmin(AdminLevel.ADMIN3))
+          {
+            player.SendNotification("~r~Du hast keinen Schlüssel.");
+            return;
+          }
+        }
+        else if (sV is GroupVehicle gV)
+        {
+          if (gV.GroupId != u.Group.Id && !state && !u.IsAdmin(AdminLevel.ADMIN3))
+          {
+            player.SendNotification("~r~Du hast keinen Schlüssel.");
+            return;
+          }
+        }
+        else if (sV is JobVehicle jV)
+        {
+          if (!jV.GetJob().GetUsersInJob().Contains(player) && !u.IsAdmin(AdminLevel.ADMIN3))
+          {
+            player.SendNotification("~r~Du hast keinen Schlüssel.");
+            return;
+          }
+        }
+      }
+      VehicleStreaming.SetEngineState(v, !state);
     }
 
     [RemoteEvent("keyPress:X")]