This control module for the Thermo King refrigeration unit, model Thermoguard, is designed for use with Volvo vehicles. The module, identified by the codes 41-3305 and 413305-5D52682G01, features an LCD screen for displaying information and a set of buttons for controlling functions. Among the buttons on the panel are those for start/stop, temperature control, and alarms. The ergonomic design and clear symbols on the buttons facilitate use and quick access to the functions of the refrigeration unit.