Example Anti-Teleport Vehicle by AirKite (edit Stepashka)

#include <a_samp>

new Float:vehiclePos[MAX_VEHICLES][4];

public OnUnoccupiedVehicleUpdate(vehicleid, playerid, passenger_seat)
{
    if ( floatcmp(vehiclePos[vehicleid][0], 0.0) && floatcmp(vehiclePos[vehicleid][1], 0.0) && floatcmp(vehiclePos[vehicleid][2], 0.0))
    {
        if ( floatcmp( GetVehicleDistanceFromPoint(vehicleid, vehiclePos[vehicleid][0], vehiclePos[vehicleid][1], vehiclePos[vehicleid][2]), 15.0) == 1)
        {
            SetVehiclePos(vehicleid, vehiclePos[vehicleid][0], vehiclePos[vehicleid][1], vehiclePos[vehicleid][2]);
            SetVehicleZAngle(vehicleid, vehiclePos[vehicleid][3]);
            return;
        }
    }
    GetVehiclePos(vehicleid, vehiclePos[vehicleid][0], vehiclePos[vehicleid][1], vehiclePos[vehicleid][2]);
    GetVehicleZAngle(vehicleid, vehiclePos[vehicleid][3]);
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    static lastCar[MAX_PLAYERS] = {INVALID_VEHICLE_ID,...};
    if ( lastCar[playerid] == INVALID_VEHICLE_ID && (newstate == PLAYER_STATE_DRIVER || newstate == PLAYER_STATE_PASSENGER))
    {
        lastCar[playerid] = GetPlayerVehicleID(playerid);
    }
    if ( lastCar[playerid] != INVALID_VEHICLE_ID && (oldstate == PLAYER_STATE_DRIVER || oldstate == PLAYER_STATE_PASSENGER))
    {
        GetVehiclePos(lastCar[playerid],vehiclePos[lastCar[playerid]][0], vehiclePos[lastCar[playerid]][1], vehiclePos[lastCar[playerid]][2]);
        GetVehicleZAngle(lastCar[playerid], vehiclePos[lastCar[playerid]][3]);
        lastCar[playerid] = INVALID_VEHICLE_ID;
    }
    return 1;
}