Someone

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
printf("OnPlayerEnterVehicle(%s, 577, %s)", playerid, vehicleid, ispassenger);
 if (vehicleid == 1 || vehicleid == 2 || vehicleid == 3 || vehicleid == 4 || vehicleid == 5){
if (ispassenger == 0){
    // Do something if they are driver
        }
        if (ispassenger == 1){
(SetPlayerPos == 1,1.6127,34.7411,1199.0);
    // Do something if they are passenger
        }
        }
return 1;
}