1994 Buick Roadmaster Owner's Manual - Page 130

Your Buick Comfort Control System This part tells you how make your air system work to for you. Fresh air from outside your vehicle flows through your Buick when the car moving. When the vehicle is not is moving, you can get outside to flow through by air selecting anyair choice (exceptthe rear window HI defogger) and. the fan speed,. The automatic system will recirculate the inside the air vehicle for maximum air conditioning performanceif the inside of the vehicle is hot. automatic system The will return to circulating outside air once the vehicle interior has cooled down. The manual system will recirculate the for maximum air RECIRC is selected. air conditioning performance when Air Outlets 128 , .