Chevrolet 2006 Avalanche Owner's Manual page 89

5. Load the rear glass into the storage pocket in the
midgate, guiding the lower edge of the rear glass
behind the three rear glass retaining tabs (E).
Hold the rear glass flat against the storage pocket,
with grab handles facing you, until the next step.
6. Turn both glass lock knobs (D), located at both top
corners of the storage pocket, to the locked
position. Push in on the corner of the rear glass to
allow the lock knob to engage more easily.
Once both glass lock knobs are in the locked
position, the rear glass is securely stored.
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