1993 Pontiac Grand Am Owner's Manual - Page 106
1993 Pontiac Grand Am Manual
Page 106 highlights
I ...* N3054 Defogging Windows with Air Conditioning System To defog the windshield, turn all three control knobs to the far right. Rear Window Defogger (OPTION) To defog the side windows,turn the right control knob to 1 2 (Bi-Level) and the fan control knob to HIGH. Aim the side vents toward the side windows. For increased air flow to the side vents, close the center vents. The rear window defogger uses a warming grid to remove fog from the rear window. Press the defogger switch. The indicator light will glow. your If vehicle is travelingunder 45 mph (70 kmlh), the rear window defogger will turn off automatically after about 10 minutes of use. If your vehicle is traveling over 45 mph (70 km/h), the defogger will operate continuously. You can turn the defogger off by turning off the ignition or pressing the switch again. Do not attach a temporaryvehicle license across the defogger grid on the rear window. 105 ...