Pontiac 2001 Aztek Owner's Manual page 106

Liftgate/Tailgate Release
To open the liftgate:
D
from the outside, insert the key into the lock and
turn it clockwise, or
D
press REAR on the optional remote keyless
entry transmitter.
Your vehicle must be in PARK (P) or NEUTRAL (N)
for the liftgate to release.
The liftgate will lock when closed. You will have to use
one of the previous options to open the liftgate again.
The liftgate must be opened to release the tailgate.
2-22
D
press the liftgate release
button, which is located
on the center console
switchbank, or
Once the liftgate is opened, reach inside the tailgate to
lift the handle. Open the tailgate.
Make sure the tailgate is closed before closing the liftgate.
NOTICE:
Damage or breakage will occur to the liftgate if the
tailgate is not closed before closing the liftgate.