diff --git a/scripts/client/startup.js b/scripts/client/startup.js
index bd38327f..76cd14a7 100644
--- a/scripts/client/startup.js
+++ b/scripts/client/startup.js
@@ -151,6 +151,11 @@ function setUpInitialGame() {
         natives.switchAmbientPlanes(true);
         natives.switchMadDrivers(false);
 
+        // Singleplayer Cellphone
+        natives.requestScript("spcellphone");
+        natives.startNewScript("spcellphone", 0);
+        //natives.setMessagesWaiting(false);
+
         natives.requestAnims("DANCING");
         return true;
     }
diff --git a/scripts/client/sync.js b/scripts/client/sync.js
index 3a2a3704..34a5e7b3 100644
--- a/scripts/client/sync.js
+++ b/scripts/client/sync.js
@@ -10,8 +10,8 @@
 function processSync(event, deltaTime) {
     if(localPlayer != null) {
         if(!areServerElementsSupported()) {
-            sendNetworkEventToServer("vrr.plr.pos", localPlayer.position);
-            sendNetworkEventToServer("vrr.plr.rot", localPlayer.heading);
+            sendNetworkEventToServer("vrr.plr.pos", (localPlayer.vehicle != null) ? localPlayer.vehicle.position : localPlayer.position);
+            sendNetworkEventToServer("vrr.plr.rot", (localPlayer.vehicle != null) ? localPlayer.vehicle.heading : localPlayer.heading);
 
             //if(localPlayer.vehicle != null) {
             //    sendNetworkEventToServer("vrr.veh.pos", getVehicleForNetworkEvent(localPlayer.vehicle), localPlayer.vehicle.position);
diff --git a/scripts/server/native/connected.js b/scripts/server/native/connected.js
index 6c6a7393..2e5047bc 100644
--- a/scripts/server/native/connected.js
+++ b/scripts/server/native/connected.js
@@ -150,6 +150,9 @@ function getVehicleHeading(vehicle) {
 // ===========================================================================
 
 function setVehicleHeading(vehicle, heading) {
+	if(getGame() == VRR_GAME_GTA_IV) {
+		return sendNetworkEventToPlayer("vrr.vehPosition", null, getVehicleForNetworkEvent(vehicle), heading);
+	}
     return vehicle.heading = heading;
 }
 
@@ -162,7 +165,13 @@ function getVehicleSyncer(vehicle) {
 // ===========================================================================
 
 function getVehicleForNetworkEvent(vehicle) {
-    return vehicle;
+	if(getGame() == VRR_GAME_GTA_IV) {
+		if(getVehicleData(vehicle).ivNetworkId != -1) {
+			return getVehicleData(vehicle).ivNetworkId;
+		}
+		return -1;
+	}
+    return vehicle.id;
 }
 
 // ===========================================================================