[Sime30]

That's also easy, here take a look

pawn Код:

// under OnPlayerEnterVehicle
if (IsACopCar(vehicleid) && !ispassenger)
        {
            if(PlayerInfo[playerid][pLeader]==1 || PlayerInfo[playerid][pMember]==1) {}
            else
            {
                SendClientMessage(playerid, COLOR_GREY, "You're not in PD!");
                new Float:cx, Float:cy, Float:cz;
                GetPlayerPos(playerid, cx, cy, cz);
                SetPlayerPos(playerid, cx,  cy, cz);
            }
        }