salam friends i have purchased toyota prius 2008 model nhw20 76000 km on meter after about one month nowadays in the morning i hear a click click sound from engine and status screen does not come up but after few minutes 2-3 time full press of accelerator pedal screen comes up and car is alive it run all day good i get approx 23 km per liter on petrol in city and 32 km per liter on super highway. it is a japanese version but importer changed the software to english because dash panel buttons are also in english
i want to know if it is some serious problem and car need some diagnostic or is it because of cold weather
thank you in advance