1995 Pontiac Firebird Owner's Manual - Page 135

HEATER: This setting directs mostof the air through the heater ductsand some of the air through the windshield defroster vents. BLEND: Air is directed through the windshield defroster vents and heater ducts. the d heating system can more efficiently provide heat for the passenger area of your vehicle. See "Engine Coolant Heater" in the Index. z2 Bi-Level Heating You may wantto use bi-level heating on cool, sunny but days. This setting directs cool air toward your and body warmer air toward your feet. DEFROST: This setting directs mostof the air through the windshield defkoster vents and of the some a r through the heater ducts. i 9 1. Turn the air control knob to BI-LEVEL. 2. Turn the temperature control knob to comfortable a setting. 3. Turn the fan control knob to the desired speed. Heating The heater works best if you your windows closed keep while using it. 1. Turn the a r control knob to HEATER. i 2. Turn the fan control knob to the desired speed. Ventilation For mild outside temperatures when little heating or cooling is needed, you can still direct outside air through your vehicle. 3. Turn the temperature control knob to a comfortable setting. During initial start-up only, if your vehicleequipped is with an optional engine coolant heater, you use it in can cold weather (around +20O F/-8 O C or lower) to improve heater performance onstart up. Because an engine coolant heater warmsthe engine coolant, your vehicle's 1. Turn the air control knob toVENT. 2. Turn the temperature control knob to a comfortable setting. 3. Turn thefan control knob to the desired speed. 3-2