1993 Buick Park Avenue Owner's Manual - Page 135

Auto , w. Dual Zone . . , ..., .. - F r * B AUTO When the system is set for automatic, airwill come from the floor outlets, the instrument panel outlets or both. Fan speed will vary (unless ablower LO or HI button has been pushed) as the system gets to and maintains the temperature setting you have selected. The front seat passenger can control the air temperature in their seating area. The display will show the set temperature and blower speed. In cold weather the system will delay turning on the fan, to avoidblowing cold air. The length of the delay depends on engine coolant temperature, outside temperature and time since the engine was last started. Pushing a LO or HI blower button will override this delay, and cause the fan to start. To rid the system of stale airin warm weather, air will come out of the floor outlets for short time. a __. ylrr The air temperature for the right side of the front seat can be set using the control on the passenger's door. Both DUAL ZONE and AUTO buttons will light up. To turn off this part of the system, push the DUAL ZONE button again.