Chevrolet Avalanche 2004 Owner's Manual page 97

Midgate Lowered with Crossbar Attached
This procedure works the same as the procedure
described previously (with the rear glass installed), but
when you lower the midgate with the rear glass in
the stored position, you will notice that the entire
crossbar (the bar with the release handle) will lower with
the midgate. This is completely normal; however,
since the crossbar lowers with the midgate, it will be
heavier. As you lower the midgate in this configuration
be ready for the extra weight and be careful not to
let the midgate fall as you lower it.
Raising the Midgate
To return the midgate to its normal position, raise the
midgate up with a firm swinging motion (this will help to
ensure that the midgate closes with enough force to
engage the latches) until it latches into place securely.
If the rear glass is removed and you would like to
put it back, do so using the instructions given previously.
Tailgate
Use the ignition/door key to unlock/lock the tailgate.
Open the tailgate by lifting up on its handle while pulling
the tailgate toward you.
To shut the tailgate, firmly push it upward until it
latches. Push and pull on the tailgate to be sure it is
latched securely.
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