Methods and systems are provided for communicating with a vehicle. A laser base station is configured to scan laser beams through a portion of a room. Once the signal is received, all the emergency warning lights began to flash, this will alert drivers to move to the right and stop on roadways, and bring traffic to a stop at the intersection. Playback management information of each of the divided cells and current cell is re-created, and erasion level information is appended to playback management information of the divided cell that belongs to the appending range. For this purpose, either a heightwise spacer of appropriate length is selected from a supply or the appropriate heightwise spacer is produced on site by virtue of the appropriate length being cut off precisely from a longer strip or a longer rod. Therefore, the present invention may provide an optical pluggable transceiver with superior heat dissipating function by cost saved configuration.