1997 Chevrolet Tahoe Owner's Manual - Page 80

Tailgate Glass and Tailgate If your vehicle has a tailgate, you must raise the rear glass before loweringthe tailgate. It can be dangerous to drive with the tailgate glass, tailgate or rear doorsopen because carbon monoxide (CO) gas can come into your vehicle. You can't see or smell CO.It can cause unconsciousness and even death. If you must drive with the tailgateglass, tailgate or reardoors open or if electrical wiring or other cable connectionsmust pass through theseal between the body and the tailgate glass, tailgate or rear doors: Make sure all windows are shut. f i r n the fanon your heating or cooling system to its highest speed with the setting on VENT. That will force outside air into your vehicle. See"Comfort Controls" in the Index. If you have air outlets on or under the instrument panel, open them all the way. See "Engine Exhaust" in theIndex. To open the glass from theoutside, use your key. With the key in the lock, turn the key clockwise to release the glass, then lift it up. To release the glass fromthe inside, use the electric tailgate glass release switch onthe instrument panel. For more information, see "Tailgate -- Electric Glass Release" in the Index. To open the tailgate, lift up on the handle while pulling the tailgate toward you. Close the tailgate before closing the rear glass. After closing the tailgate, make sure the tailgate is securely latched by pulling it toward you. After closing the rear glass, pull up on its handle make sure it is locked. to 2-9