Something

	if (strcmp(cmdtext, "/lock", true)==0){
	if(IsPlayerInAnyVehicle(playerid)){
	new State=GetPlayerState(playerid);
	if(State!=PLAYER_STATE_DRIVER){
	SendClientMessage(playerid,COLOR_GREY,"You can only lock the doors as the driver.");
	return 1;
	}
	new i;
	for(i=0;i<MAX_PLAYERS;i++){
	if(i != playerid)
	{
	SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 1);
	}
	}
	SendClientMessage(playerid, COLOR_GREEEN, "You Lock The Car Doors!");
	new Float:pX, Float:pY, Float:pZ;
	GetPlayerPos(playerid,pX,pY,pZ);
	PlayerPlaySound(playerid,1056,pX,pY,pZ);
	}else{
	SendClientMessage(playerid, COLOR_REDD, "!You Most Be In Car");
	}
	return 1;
	}
 //-----
 		if (strcmp(cmdtext, "/unlock", true)==0){
	if(IsPlayerInAnyVehicle(playerid)){
	new State=GetPlayerState(playerid);
	if(State!=PLAYER_STATE_DRIVER){
	SendClientMessage(playerid, COLOR_GREY,"You can only unlock the doors as the driver.");
	return 1;
	}
	new i;
	for(i=0;i<MAX_PLAYERS;i++){
	SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 0);
	}0
	SendClientMessage(playerid, COLOR_GREEEN, " You Un Lock The Car");
	new Float:pX, Float:pY, Float:pZ;
	GetPlayerPos(playerid,pX,pY,pZ);
	}else{
	SendClientMessage(playerid, COLOR_GREY, "You Most Be In Car");
	}
	return 1;
	}