Chevrolet SUBURBAN 1993 Owner's Manual page 122

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Center the garage door opener activation button over the console door button,
and press the opener firmly into place.
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Use the pegs inside the compartment door to make sure the button on the
compartment door will contact
the
control button on the garage door opener.
Add one peg at a time until the garage door opener operates with the
compartment door closed, when you push the button marked PUSH.
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