2000 GMC Savana Van Owner's Manual - Page 148

yellowblue Do not attach a temporary vehicle license, tape or decals across the defogger grid on the rear windows. Use care not to damage the wiring bands that connect the rear window defogger grid when operating the rear swing-out windows (if equipped). Ventilation Tips D Keep the hood and front air inlet free of ice, snow, or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. NOTICE: Don't use a razor blade or something else sharp on the inside of the rear window. If you do, you could cut or damage the warming grid, and the repairs wouldn't be covered by your warranty. D When you enter a vehicle in cold weather, turn the blower fan to HI for a few moments before driving off. This helps clear the intake ducts of snow and moisture, and reduces the chance of fogging the inside of your windows. objects. This helps air to circulate throughout your vehicle. D Keep the air path under the front seats clear of Your vehicle has air vents in the center and on the sides of your instrument panel. You can move the vents from side to side or up and down to direct the flow of air, or close the vents altogether. When you close a vent, it will increase the flow of air coming out of any vents that are open. 3-8