[RazR_]

Try this:

pawn Код:

GetClosestVehicleForPlayer(playerid)
{
    new vehicleid = INVALID_VEHICLE_ID;
    new Float:distance = 99999.0;
    new Float:X, Float:Y, Float:Z;
    GetPlayerPos(playerid, X, Y, Z);
    for(i = 0; i < MAX_VEHICLES; i++)
    {
        if(GetVehicleDistanceFromPoint(i, X, Y, Z) < distance && distance < 8.0) //you can change this value
        {
            vehicleid = i;
            distance = GetVehicleDistanceFromPoint(i, X, Y, Z);
        }
    }
    return vehicleid;
}

pawn Код:

COMMAND:takekey(playerid, params[])
{
     
        new carid = GetClosestVehicleForPlayer(playerid);
        if(carid == 583)
        {
            SendClientMessage(playerid, 0x80FF00FF, "You take the key of the vehicle.");
        }
        else
        {
            SendClientMessage(playerid, 0x80FF00FF, "You are not enough close to the vehicle.");
        }
        return 1;
}