Chevrolet 2004 Astro Owner's Manual page 90

To close the rear doors, close the driver's side door
first. Check to make sure both doors are completely
closed.
The rear doors have a check assembly to keep the
doors from opening beyond 90 degrees.
Do this on each door. Replace the check assemblies on
the mounting brackets before closing the doors.
2-12
To fully open the rear
doors, push in on the clip
and lift the check
assembly up off the
mounting bracket.
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CAUTION:
It can be dangerous to drive with the rear
glass open because carbon monoxide (CO)
gas can come into your vehicle. You can not
see or smell CO. It can cause
unconsciousness and even death. If you must
drive with the rear glass open or if electrical
wiring or other cable connections must pass
through the seal between the body and the
rear glass:
•
Make sure all other windows are shut.
•
Turn the fan on your heating or cooling
system to its highest speed and select the
control setting that will force outside air
into your vehicle. See Climate Control
System on page 3-16 .
•
If you have air outlets on or under the
instrument panel, open them all the way.
See Engine Exhaust on page 2-28 .