K-Mart Homemaker brand, 40 bottle wine cooler... Hi there, We recently purchased one of the

Question

Hi there, We recently purchased one of the above Homemaker fridges off the floor from K-Mart. Unfortunaltely a manual/instruction could not be located for it. We have plugged the fridge on and attempted to set the temperature to -7 degrees C (Champagne) but it seems to be reverting back to 18 degrees C or whatever the current room temperature is. Can anyone help us set the fridge to the correct temperature please? Room temp. wine/champagne NOT appealing! Cheers, Sam