Hello together, drive a Suzuki Swift 1.0 GLX (3 cylinder) Bj 98, mainly short distances (about 4 km) in the city traffic (unfortunately many traffic lights ). We have the car since August, the consumption is about 8 liters in the city traffic. Now in the winter it is noticeable that it takes extremely long to get warm, the pointer moves even in the city traffic only barely out of the cold field. Over the holidays I had a few longer distances (each 50 km country road) and noticed that the car also never came out of the “C”, sometimes with quiet drive in the 5th gear even colder again (the heating was also only lukewarm). The consumption was despite about 200 km of land road with over 8 liters. After some research here in the forum I am quite sure that the thermostat must be broken. In contrast to some other cars one seems to be able to change it at the Swift yes itself, since someone can give tips ? Or does someone have an idea whether there can also be another cause ?