Pontiac None Aztek Owner's Manual page 41

Here's how to install a comfort guide and use the
safety belt:
Second Row Outside Positions
For second row outside positions do the following:
1. Remove the guide from its storage clip located on
the sidewall next to the outer side of each outside
passenger position.
2. Place the guide over the belt and insert the two
edges of the belt into the slots of the guide.
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