1997 GMC Safari Owner's Manual - Page 104

To open your swing-out windows, pull up on the latch and push the window out. I , CAUTION: A It can be dangerous to drive with the rear swing-out windows,rear hatch or reardoors open becausecarbon monoxide (CO) gas can come into your vehicle. You can't seeor smell CO. It can cause unconsciousness and even death. If you must drive with the rear swing-out windows, rear hatchor reardoors open or if electrical wiring or other cable connections must pass through theseal between the body and therear swing-out windows,rear hatchor rear doors: Make sure all windows are shut. 0 Turn the fanon your heating or cooling system to its highest speed with setting the on anything but MAX A/C. That will force outside air into your vehicle. See"Comfort Controls" in the Index. 0 If you have air outlets on or under the instrument panel, open them all way. the See "EngineExhaust" in the Index. I 3 To close the window, pull the latch toward you and .push it down. 2-30