[MadeMan]

pawn Код:

RespawnNearbyVehicles(playerid, Float:radi)
{
    new Float:x, Float:y, Float:z;
    GetPlayerPos(playerid, x, y, z);
    for(new i=1; i<MAX_VEHICLES; i++)
    {
        if(GetVehicleModel(i))
        {
            new Float:posx, Float:posy, Float:posz;
            new Float:tempposx, Float:tempposy, Float:tempposz;
            GetVehiclePos(i, posx, posy, posz);
            tempposx = (posx - x);
            tempposy = (posy - y);
            tempposz = (posz - z);
            if (((tempposx < radi) && (tempposx > -radi)) && ((tempposy < radi) && (tempposy > -radi)) && ((tempposz < radi) && (tempposz > -radi)))
            {
                SetVehicleToRespawn(i);
            }
        }
    }
}

If you use RespawnNearbyVehicles(playerid, 10); then it will respawn all vehicles in radius of 10.