1996 Pontiac Grand Am Owner's Manual - Page 129
1996 Pontiac Grand Am Manual
Page 129 highlights
Rear Window Defogger (Option) The rear window defogger uses a warming grid to remove fogfrom the rear window. Press the defogger switch. The indicator light will glow. Do not attach a temporary vehicle license across the defogger gridon the rear window. I NOTICE: Don't use a razor blade or anything else sharp on the insideof the rear window.If you do, you could cutor damage the warming grid, and the repairs wouldn't be covered your warranty. by If your vehicle is traveling under 45 mph (70 krn/h), the turn off automatically after rear window defogger will about 10 minutes of use. If your vehicle is traveling over 45 mph (70 km/h), the defoggerwill operate continuously. You can tum the defogger off by turning off the ignition or pressing the switch again. 3-7