1993 Buick Riviera Owner's Manual - Page 122

- I :.if, ~ Auto When the system set far is automatic, airwill come from the floor outlets,the instrument panel outlets or both. Fan speed will vary LO (unless a blower or HI button as the system gets to and maintains the temperature setting you have selected. To choose the temperature you- want maintained inside TEMP the vehicle, press the A or for warmeror cooler. pushed) been has ,...I . a - You can choose from60 O F (1 6 "C), for maximum cooling, and 90' F (33 "C), for maximum heating. It is not necessary to choose the extreme temperature to get the system to heator cool at the maximum. The system does it automatically. The display will show the selected temperature and blower speed. In cold weather the system will delay turning on the blower, to avoid blowing cold air. The length of the delay dependson engine coolant temperature, outside temperature and time since the engine was last started. Pushing aLO or HI blower button will override this delay, and will turn on the blower. 120