1997 GMC Suburban Owner's Manual - Page 157

conditioner's performance and your vehicle's fuel economy. This setting also coolsthe air the fastest and can be used to keep unwanted odors and/or dust from entering thevehicle. When using the air conditioner, turn off recirculation after the vehicle reaches a comfortable interior temperature. When the right knob on the control panel is between HEATER and DEFROST, the recirculation featurewill not function. The A/C button, between the temperature and mode knobs, allowsthe air coming into your vehicle to be cooled. This setting is useful for normal cooling on hot days. When you use A/C with the recirculation button pushed in, turn off recirculation as soon as the vehicle reaches a comfortable interior temperature. With the A/C on, move the temperature knob to MAX for maximum cooling. This settingalso puts the system in the recirculation mode and helps to maximize your air conditioner'sperformance and your vehicle's fuel economy. This setting also coolsthe air the fastest. After the vehicle's interior reaches a comfortable temperature, move the temperature knob clockwise to placethe air conditioning system in the normal mode. The rear control works just like the front control. It will allow second seat passengers to adjust the controls as they desire. Air Conditioning On hot days, open the windows long enough to let hot air inside escape. This reduces the time it takes for your vehicle to cool down. Then keep your windows closed for the air conditionerto work its best. The recirculation button, between the fan and temperature knobs, allows the air inside your vehicle to be recirculated. This settinghelps to maximize your air 3-7