1996 Chevrolet Camaro Owner's Manual - Page 148

Rear Window Defogger (Option) The rear window defogger uses a warming grid to remove fog from the rear window. Do not attach anything like temporary vehicle license a or a decal across the defogger grid on the rear window. NOTICE: Don't use a razor blade or something else sharp If on the insideof the rear window. you do, you and could cutor damage the warming grid, the repairs wouldn't be covered by your warranty. Press the right side the switch to of turn on the defogger. An indicator lightwill come on to remind you that the defogger is on. The defogger will turn off automatically after about 10 minutes of use. If you turn it on again, the defogger will operate for about five minutes only. You can alsoturn the defogger off by pressing the left side of the switch. 3-5