diff --git a/src/audio/AudioManager.cpp b/src/audio/AudioManager.cpp
index 89abee8d..ff7babc4 100644
--- a/src/audio/AudioManager.cpp
+++ b/src/audio/AudioManager.cpp
@@ -4676,7 +4676,7 @@ cAudioManager::ProcessMissionAudio()
 									--nCheckPlayingDelay;
 								} else if(GetMissionScriptPoliceAudioPlayingStatus() ==
 								              2 ||
-								          --m_sMissionAudio.field_24) {
+								          m_sMissionAudio.field_24-- == 0) {
 									m_sMissionAudio.m_bPlayStatus = 2;
 									m_sMissionAudio.m_nSampleIndex = 3033;
 									SampleManager.StopStreamedFile(1);
diff --git a/src/control/Script.cpp b/src/control/Script.cpp
index 8b765c8c..3e4c7e8f 100644
--- a/src/control/Script.cpp
+++ b/src/control/Script.cpp
@@ -8496,7 +8496,7 @@ int8 CRunningScript::ProcessCommands1000To1099(int32 command)
 		CTimer::Stop();
 		CGame::currLevel = (eLevelName)ScriptParams[0];
 		CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
-		CStreaming::RemoveIslandsNotUsed(CGame::currLevel);
+		CStreaming::RemoveUnusedBuildings(CGame::currLevel);
 		CCollision::SortOutCollisionAfterLoad();
 		CStreaming::RequestIslands(CGame::currLevel);
 		CStreaming::LoadAllRequestedModels(true);
@@ -8965,7 +8965,7 @@ int8 CRunningScript::ProcessCommands1000To1099(int32 command)
 	}
 	case COMMAND_SET_MUSIC_DOES_FADE:
 		CollectParameters(&m_nIp, 1);
-		TheCamera.m_bMusicFading = (ScriptParams[0] == 0);
+		TheCamera.m_bIgnoreFadingStuffForMusic = (ScriptParams[0] == 0);
 		return 0;
 	case COMMAND_SET_INTRO_IS_PLAYING:
 		CollectParameters(&m_nIp, 1);
@@ -9114,7 +9114,7 @@ int8 CRunningScript::ProcessCommands1100To1199(int32 command)
 			DMAudio.Service();
 			CPopulation::DealWithZoneChange(CCollision::ms_collisionInMemory, CGame::currLevel, false);
 			CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
-			CStreaming::RemoveIslandsNotUsed(CGame::currLevel);
+			CStreaming::RemoveUnusedBuildings(CGame::currLevel);
 			CCollision::SortOutCollisionAfterLoad();
 			CStreaming::RequestIslands(CGame::currLevel);
 			CStreaming::RequestBigBuildings(CGame::currLevel);
diff --git a/src/core/Pad.h b/src/core/Pad.h
index f4a07cae..09e6b39d 100644
--- a/src/core/Pad.h
+++ b/src/core/Pad.h
@@ -9,7 +9,7 @@ enum {
 	PLAYERCONTROL_DISABLED_10 = 16,
 	PLAYERCONTROL_DISABLED_20 = 32, // used on CPlayerInfo::MakePlayerSafe
 	PLAYERCONTROL_DISABLED_40 = 64, // used on phone calls
-	PLAYERCONTROL_DISABLED_80 = 128,
+	PLAYERCONTROL_DISABLED_80 = 128,// used on cutscenes
 };
 
 class CControllerState
diff --git a/src/vehicles/Automobile.cpp b/src/vehicles/Automobile.cpp
index a79f619c..64f756ad 100644
--- a/src/vehicles/Automobile.cpp
+++ b/src/vehicles/Automobile.cpp
@@ -2177,7 +2177,7 @@ CAutomobile::ProcessEntityCollision(CEntity *ent, CColPoint *colpoints)
 						if(phys->bIsStatic){
 							phys->bIsStatic = false;
 							phys->m_nStaticFrames = 0;
-							phys->ApplyMoveForce(m_vecMoveSpeed / speed);
+							phys->ApplyMoveForce(m_vecMoveSpeed / Sqrt(speed));
 							phys->AddToMovingList();
 						}
 					}
@@ -2318,7 +2318,7 @@ CAutomobile::ProcessControlInputs(uint8 pad)
 
 	// Brake if player isn't in control
 	// BUG: game always uses pad 0 here
-	if(CPad::GetPad(pad)->DisablePlayerControls){
+	if(CPad::GetPad(pad)->ArePlayerControlsDisabled()){
 		m_fBrakePedal = 1.0f;
 		bIsHandbrakeOn = true;
 		m_fGasPedal = 0.0f;
diff --git a/src/vehicles/DamageManager.cpp b/src/vehicles/DamageManager.cpp
index 3a7bd9e9..9a697b6b 100644
--- a/src/vehicles/DamageManager.cpp
+++ b/src/vehicles/DamageManager.cpp
@@ -119,7 +119,7 @@ CDamageManager::GetComponentGroup(tComponent component, tComponentGroup *compone
 		return true;
 	}else if(component >= COMPONENT_DEFAULT){
 		*componentGroup = COMPGROUP_DEFAULT;
-		*subComp = component - COMPONENT_DEFAULT;
+		*subComp = COMPONENT_DEFAULT;
 		return true;
 	}else
 		return false;
@@ -141,7 +141,7 @@ bool
 CDamageManager::ProgressDoorDamage(uint8 door)
 {
 	int status = GetDoorStatus(door);
-	if(status == 3)
+	if(status == PANEL_STATUS_MISSING)
 		return false;
 	SetDoorStatus(door, status+1);
 	return true;
@@ -163,7 +163,7 @@ bool
 CDamageManager::ProgressPanelDamage(uint8 panel)
 {
 	int status = GetPanelStatus(panel);
-	if(status == 3)
+	if(status == DOOR_STATUS_MISSING)
 		return false;
 	SetPanelStatus(panel, status+1);
 	return true;
@@ -197,7 +197,7 @@ bool
 CDamageManager::ProgressWheelDamage(uint8 wheel)
 {
 	int status = GetWheelStatus(wheel);
-	if(status == 3)
+	if(status == WHEEL_STATUS_MISSING)
 		return false;
 	SetWheelStatus(wheel, status+1);
 	return true;
diff --git a/src/vehicles/Door.cpp b/src/vehicles/Door.cpp
index 2d47b3e9..c569be59 100644
--- a/src/vehicles/Door.cpp
+++ b/src/vehicles/Door.cpp
@@ -47,9 +47,9 @@ CDoor::Process(CVehicle *vehicle)
 
 	case 2:	// z-axis
 		if(m_nDirn)
-			fSpeedDiff = -(vecSpeedDiff.x + vecSpeedDiff.y);
+			fSpeedDiff = -(vecSpeedDiff.y + vecSpeedDiff.x);
 		else
-			fSpeedDiff = vecSpeedDiff.x + vecSpeedDiff.y;
+			fSpeedDiff = vecSpeedDiff.y - vecSpeedDiff.x;
 		break;
 	}
 	fSpeedDiff = clamp(fSpeedDiff, -0.2f, 0.2f);