1998 GMC Safari Owner's Manual - Page 154

Comfort Controls This section tellsyou how to make your air system work for you. Your comfort control system uses ozone-friendly R- 134a refrigerant. With these systems,you can control the heating, cooling and ventilationin your vehicle. Your vehicle also has a flow-through ventilation system described later in this section. Fan Knob This control has four positions. increase aifflow, To turn the knob toward To decrease airflow, moveit HI. toward LO. Temperature Knob This knobis next to the fanknob. It selects the temperature of the air flowinginto your vehicle. Move the knob toward the right warmer air. Move the knob for toward the left for cooler air. Heating/Air Conditioning System Function Knob This knob is next to temperature knob. the OFF: This setting turns the system off. MAX N C : This cools the air the fastest, by recirculating the inside air. Move the temperature knob all the way tothe left. A/C: This setting brings in outside air and cools it. k If your vehicle has conditioning, your heating/air air conditioning controls will look like this.