Chevrolet VENTURE 2001 Manual page 149

Liftgate
To unlock the liftgate from the outside, turn the key in
the cylinder clockwise. To lock the liftgate using the
key, turn the key counterclockwise.
Open the liftgate using the handle located above the
license plate. Once slightly opened, the liftgate will rise
by itself. Lamps in the rear of the vehicle will come on,
illuminating the rear cargo area. See "Interior Lamps" in
the Index.
NOTICE:
Be sure there are no overhead obstructions, such
as a garage door, before you open the liftgate.
You could slam the liftgate into something and
break the glass.
2-36
CAUTION:
It can be dangerous to drive with the liftgate
open 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 liftgate open or if
electrical wiring or other cable connections must
pass through the seal between the body and
the liftgate:
D
Make sure all other windows are shut.
D
Turn the fan on your heating or cooling
system to its highest speed with the setting
-
on bi level (outside air button is pressed).
That will force outside air into your vehicle.
See "Comfort Controls" in the Index.
D
If you have air outlets on or under the
instrument panel, open them all the way.
See "Engine Exhaust" in the Index.