It means that the new 308 engine heats up slowly and the warm air cools down.

Go to the repair shop or 4S Try it and adjust it to internal circulation. According to relevant inquiry information, Peugeot 308 is not hot in winter. First, the whole water temperature is not high because the thermostat is not loose. Secondly, consider the bad water circulation caused by the blockage of the warm air tank. Finally, consider checking the mixing damper.