1998 Chevrolet Astro Owner's Manual - Page 97

Hatch I Hatch Release (Option) You can use your key to unlock the hatch and all the other doors from the outside. Insert the key into the hatch release button and turn it to the left. All doors will unlock. You may also use the Keyless Entry System described earlier. The hatch can be opened or closed without a keyif the door lock system is unlocked. It can be dangerous to drive with the rear swing-out windows, rear hatch or rear doors open because carbon monoxide (CO) gas can come into your vehicle. You can't see or smell CO. It can cause unconsciousnessand even death. I you must drivewith the rear swing-out windows, f rear hatch or rear doors open or if electrical wiring or othercable connections must pass through the seal between the body and the rearswing-out windows, rear hatch or rear doors: Make sure all windows are shut. Turn the fan on your heating cooling or system to its highest speed with the setting MAX A/C. That will force on anything but outside air into your vehicle. See "Comfort Controls" in the Index. If you have air outlets on or under the instrument panel, open them the way. all See "Engine Exhaust'' in the Index. To open the hatch, unlockit, press the button and lift the handle located in the center of the door. 2-13