A/C System, Checking Function And Setting Temperature
-- Check all climate control functions.
-- Check whether 72° F (22 °C) is set in left and right display field -2-.
-- Set temperature as follows, if necessary:
-- Press button -4- for automatic operation. The indicator lamp in the button comes on.
-- Turn the temperature regulators -1- and -3- and set the temperature on both sides to 22 °C.