1994 Buick LeSabre Owner's Manual - Page 125

Auto AUTO is used when you want the system to adjust automatically to changesin temperature. When the system is set for automatic, air will come from the floor outlets, the instrument panel outlets, or windshield outlets. 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 air in warm weather, air will come out of the floor outlets for a short time. Dual Zone The front seat passenger can control air temperature in that seating area. This control can be up to 5 O F cooler or warmer than the primary setting. -' . Fan speed will vary (unless a blower LO or HI button has been pushed) as the system gets to and maintains the temperature setting you have selected. To find your comfort zone, start with 75 AUTO, give the car about 20 minutes to stabilize and adjust the temperature setting if necessary. The display will show the set temperature and fan speed. In cold weather the system will delay turning on the fan, to avoid blowing cold air. The length of the delay depends on engine coolant temperature, outside The control is on the passenger's door. Both DUAL ZONE and AUTO buttons will light up. 123